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Manual merge from mysql-trunk.

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Conflicts:
  - mysql-test/suite/engines/funcs/t/disabled.def
  - mysql-test/suite/engines/iuds/t/disabled.def
  - mysql-test/suite/engines/iuds/t/insert_number.test
This commit is contained in:
Alexander Nozdrin 2010-05-07 13:37:16 +04:00
commit fe8f7052fc
222 changed files with 5498 additions and 5233 deletions
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2
include/Makefile.am
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@ -45,7 +45,7 @@ noinst_HEADERS = config-win.h config-netware.h lf.h my_bit.h \
my_vle.h my_user.h my_atomic.h atomic/nolock.h \ my_vle.h my_user.h my_atomic.h atomic/nolock.h \
atomic/rwlock.h atomic/x86-gcc.h atomic/generic-msvc.h \ atomic/rwlock.h atomic/x86-gcc.h atomic/generic-msvc.h \
atomic/gcc_builtins.h my_libwrap.h my_stacktrace.h \ atomic/gcc_builtins.h my_libwrap.h my_stacktrace.h \
atomic/solaris.h atomic/solaris.h mysql/innodb_priv.h
EXTRA_DIST = mysql.h.pp mysql/plugin.h.pp probes_mysql.d.base \ EXTRA_DIST = mysql.h.pp mysql/plugin.h.pp probes_mysql.d.base \
CMakeLists.txt \ CMakeLists.txt \

4
mysql-test/collections/default.experimental
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@ -6,7 +6,9 @@ binlog.binlog_multi_engine # joro : NDB tests marked as experiment
funcs_1.charset_collation_1 # depends on compile-time decisions funcs_1.charset_collation_1 # depends on compile-time decisions
funcs_1.myisam_views @solaris # Bug#50595 2010-03-05 alik funcs_1.myisam_views takes longer time on 6.0 branch than 5.1 branch funcs_1.myisam_views @solaris # Bug#50595 2010-03-05 alik funcs_1.myisam_views takes longer time on 6.0 branch than 5.1 branch
main.func_math @freebsd # Bug#43020 2010-05-04 alik main.func_math fails on FreeBSD in PB2
main.gis @solaris # Bug#52208 2010-04-26 alik gis fails on some platforms (Solaris, HP-UX, Linux) main.gis @solaris # Bug#52208 2010-04-26 alik gis fails on some platforms (Solaris, HP-UX, Linux)
main.gis-rtree @freebsd # Bug#38965 2010-05-04 alik test cases gis-rtree, type_float, type_newdecimal fail in embedded server
main.information_schema # Bug#47449 2009-09-19 alik main.information_schema and innodb.innodb_information_schema fail sporadically main.information_schema # Bug#47449 2009-09-19 alik main.information_schema and innodb.innodb_information_schema fail sporadically
main.lock_multi_bug38499 # Bug#47448 2009-09-19 alik main.lock_multi_bug38499 times out sporadically main.lock_multi_bug38499 # Bug#47448 2009-09-19 alik main.lock_multi_bug38499 times out sporadically
main.lock_multi_bug38691 @solaris # Bug#47792 2009-10-02 alik main.lock_multi_bug38691 times out sporadically on Solaris 10 main.lock_multi_bug38691 @solaris # Bug#47792 2009-10-02 alik main.lock_multi_bug38691 times out sporadically on Solaris 10
@ -16,9 +18,9 @@ main.mysqlbinlog_row_innodb @solaris # Bug#52202 2010-03-22 alik mysqlbinlog
main.mysqlbinlog_row_myisam @solaris # Bug#52202 2010-03-22 alik mysqlbinlog_row* fail in daily-trunk on Sol10 x86_64 debug_max main.mysqlbinlog_row_myisam @solaris # Bug#52202 2010-03-22 alik mysqlbinlog_row* fail in daily-trunk on Sol10 x86_64 debug_max
main.outfile_loaddata @solaris # Bug#46895 2010-01-20 alik Test "outfile_loaddata" fails (reproducible) main.outfile_loaddata @solaris # Bug#46895 2010-01-20 alik Test "outfile_loaddata" fails (reproducible)
main.plugin* @solaris # Bug#47146 Linking problem with example plugin when dtrace enabled main.plugin* @solaris # Bug#47146 Linking problem with example plugin when dtrace enabled
main.query_cache_debug @linux # Bug#52356 2010-04-10 alik query_cache_debug fails on Linux
main.signal_demo3 @solaris # Bug#47791 2010-01-20 alik Several test cases fail on Solaris with error Thread stack overrun main.signal_demo3 @solaris # Bug#47791 2010-01-20 alik Several test cases fail on Solaris with error Thread stack overrun
main.sp @solaris # Bug#47791 2010-01-20 alik Several test cases fail on Solaris with error Thread stack overrun main.sp @solaris # Bug#47791 2010-01-20 alik Several test cases fail on Solaris with error Thread stack overrun
main.type_float @freebsd # Bug#38965 2010-05-04 alik test cases gis-rtree, type_float, type_newdecimal fail in embedded server
main.wait_timeout @solaris # Bug#51244 2010-04-26 alik wait_timeout fails on OpenSolaris main.wait_timeout @solaris # Bug#51244 2010-04-26 alik wait_timeout fails on OpenSolaris
rpl.rpl_heartbeat_basic # BUG#43828 2009-10-22 luis fails sporadically rpl.rpl_heartbeat_basic # BUG#43828 2009-10-22 luis fails sporadically

2
mysql-test/extra/binlog_tests/blackhole.test
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@ -6,7 +6,7 @@
-- source include/have_blackhole.inc -- source include/have_blackhole.inc
-- source include/have_log_bin.inc -- source include/have_log_bin.inc
CALL mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); CALL mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
# The server need to be started in $MYSQLTEST_VARDIR since it # The server need to be started in $MYSQLTEST_VARDIR since it
# uses ../../std_data/ # uses ../../std_data/

2
mysql-test/extra/binlog_tests/mix_innodb_myisam_binlog.test
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@ -8,7 +8,7 @@
-- source include/have_log_bin.inc -- source include/have_log_bin.inc
-- source include/have_innodb.inc -- source include/have_innodb.inc
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
--disable_warnings --disable_warnings
drop table if exists t1, t2; drop table if exists t1, t2;

2
mysql-test/extra/rpl_tests/rpl_binlog_max_cache_size.test
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@ -22,7 +22,7 @@
# #
######################################################################################## ########################################################################################
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
CREATE TABLE t1(a INT PRIMARY KEY, data VARCHAR(30000)) ENGINE=Innodb; CREATE TABLE t1(a INT PRIMARY KEY, data VARCHAR(30000)) ENGINE=Innodb;
CREATE TABLE t2(a INT PRIMARY KEY, data VARCHAR(30000)) ENGINE=MyIsam; CREATE TABLE t2(a INT PRIMARY KEY, data VARCHAR(30000)) ENGINE=MyIsam;

2
mysql-test/extra/rpl_tests/rpl_insert_id.test
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@ -9,7 +9,7 @@
# column and index but without primary key. # column and index but without primary key.
############################################################## ##############################################################
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
--echo # --echo #
--echo # Setup --echo # Setup

2
mysql-test/extra/rpl_tests/rpl_loaddata.test
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@ -19,7 +19,7 @@ reset master;
connection master; connection master;
--disable_query_log --disable_query_log
CALL mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); CALL mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
--enable_query_log --enable_query_log
# MTR is not case-sensitive. # MTR is not case-sensitive.

2
mysql-test/extra/rpl_tests/rpl_mixing_engines.test
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@ -245,7 +245,7 @@
--echo # CONFIGURATION --echo # CONFIGURATION
--echo ######################################################################### --echo #########################################################################
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
SET @commands= 'configure'; SET @commands= 'configure';
--source extra/rpl_tests/rpl_mixing_engines.inc --source extra/rpl_tests/rpl_mixing_engines.inc

4
mysql-test/extra/rpl_tests/rpl_start_stop_slave.test
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@ -4,10 +4,10 @@
# Let the master do lots of insertions # Let the master do lots of insertions
connection master; connection master;
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
connection slave; connection slave;
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
connection master; connection master;
create table t1(n int); create table t1(n int);

2
mysql-test/extra/rpl_tests/rpl_stm_000001.test
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@ -3,7 +3,7 @@
-- source include/have_binlog_format_statement.inc -- source include/have_binlog_format_statement.inc
-- source include/master-slave.inc -- source include/master-slave.inc
CALL mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); CALL mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
# Load some data into t1 # Load some data into t1
create table t1 (word char(20) not null); create table t1 (word char(20) not null);

2
mysql-test/extra/rpl_tests/rpl_stop_middle_group.test
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@ -7,7 +7,7 @@
connection master; connection master;
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
create table tm (a int auto_increment primary key) engine=myisam; create table tm (a int auto_increment primary key) engine=myisam;
create table ti (a int auto_increment primary key) engine=innodb; create table ti (a int auto_increment primary key) engine=innodb;

5
mysql-test/include/have_federated_plugin.inc Normal file
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@ -0,0 +1,5 @@
if (`select plugin_library IS NULL from information_schema.plugins where plugin_name LIKE '%federated%'`)
{
--skip federated plugin not available
}

2
mysql-test/r/archive.result
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@ -1,4 +1,4 @@
CALL mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); CALL mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
DROP TABLE if exists t1,t2,t3,t4,t5,t6; DROP TABLE if exists t1,t2,t3,t4,t5,t6;
SET storage_engine=ARCHIVE; SET storage_engine=ARCHIVE;
CREATE TABLE t1 ( CREATE TABLE t1 (

2
mysql-test/r/commit_1innodb.result
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@ -1,4 +1,4 @@
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
set sql_mode=no_engine_substitution; set sql_mode=no_engine_substitution;
set storage_engine = InnoDB; set storage_engine = InnoDB;
set autocommit=1; set autocommit=1;

18
mysql-test/r/ctype_cp932_binlog_stm.result
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@ -38,22 +38,22 @@ master-bin.000001 514 Query 1 581 BEGIN
master-bin.000001 581 Query 1 788 use `mtr`; INSERT INTO test_suppressions (pattern) VALUES ( NAME_CONST('pattern',_latin1'Error in Log_event::read_log_event()' COLLATE 'latin1_swedish_ci')) master-bin.000001 581 Query 1 788 use `mtr`; INSERT INTO test_suppressions (pattern) VALUES ( NAME_CONST('pattern',_latin1'Error in Log_event::read_log_event()' COLLATE 'latin1_swedish_ci'))
master-bin.000001 788 Query 1 856 COMMIT master-bin.000001 788 Query 1 856 COMMIT
master-bin.000001 856 Query 1 923 BEGIN master-bin.000001 856 Query 1 923 BEGIN
master-bin.000001 923 Query 1 1172 use `mtr`; INSERT INTO test_suppressions (pattern) VALUES ( NAME_CONST('pattern',_latin1'Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT' COLLATE 'latin1_swedish_ci')) master-bin.000001 923 Query 1 1191 use `mtr`; INSERT INTO test_suppressions (pattern) VALUES ( NAME_CONST('pattern',_latin1'Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT' COLLATE 'latin1_swedish_ci'))
master-bin.000001 1172 Query 1 1240 COMMIT master-bin.000001 1191 Query 1 1259 COMMIT
master-bin.000001 1240 Query 1 1403 use `test`; CREATE TABLE t4 (s1 CHAR(50) CHARACTER SET latin1, master-bin.000001 1259 Query 1 1422 use `test`; CREATE TABLE t4 (s1 CHAR(50) CHARACTER SET latin1,
s2 CHAR(50) CHARACTER SET cp932, s2 CHAR(50) CHARACTER SET cp932,
d DECIMAL(10,2)) d DECIMAL(10,2))
master-bin.000001 1403 Query 1 1649 use `test`; CREATE DEFINER=`root`@`localhost` PROCEDURE `bug18293`(IN ins1 CHAR(50), master-bin.000001 1422 Query 1 1668 use `test`; CREATE DEFINER=`root`@`localhost` PROCEDURE `bug18293`(IN ins1 CHAR(50),
IN ins2 CHAR(50) CHARACTER SET cp932, IN ins2 CHAR(50) CHARACTER SET cp932,
IN ind DECIMAL(10,2)) IN ind DECIMAL(10,2))
BEGIN BEGIN
INSERT INTO t4 VALUES (ins1, ins2, ind); INSERT INTO t4 VALUES (ins1, ins2, ind);
END END
master-bin.000001 1649 Query 1 1717 BEGIN master-bin.000001 1668 Query 1 1736 BEGIN
master-bin.000001 1717 Query 1 1981 use `test`; INSERT INTO t4 VALUES ( NAME_CONST('ins1',_latin1 0x466F6F2773206120426172 COLLATE 'latin1_swedish_ci'), NAME_CONST('ins2',_cp932 0xED40ED41ED42 COLLATE 'cp932_japanese_ci'), NAME_CONST('ind',47.93)) master-bin.000001 1736 Query 1 2000 use `test`; INSERT INTO t4 VALUES ( NAME_CONST('ins1',_latin1 0x466F6F2773206120426172 COLLATE 'latin1_swedish_ci'), NAME_CONST('ins2',_cp932 0xED40ED41ED42 COLLATE 'cp932_japanese_ci'), NAME_CONST('ind',47.93))
master-bin.000001 1981 Query 1 2050 COMMIT master-bin.000001 2000 Query 1 2069 COMMIT
master-bin.000001 2050 Query 1 2136 use `test`; DROP PROCEDURE bug18293 master-bin.000001 2069 Query 1 2155 use `test`; DROP PROCEDURE bug18293
master-bin.000001 2136 Query 1 2212 use `test`; DROP TABLE t4 master-bin.000001 2155 Query 1 2231 use `test`; DROP TABLE t4
End of 5.0 tests End of 5.0 tests
SHOW BINLOG EVENTS FROM 490; SHOW BINLOG EVENTS FROM 490;
ERROR HY000: Error when executing command SHOW BINLOG EVENTS: Wrong offset or I/O error ERROR HY000: Error when executing command SHOW BINLOG EVENTS: Wrong offset or I/O error

20
mysql-test/r/loadxml.result
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@ -73,3 +73,23 @@ id text
line2 line2
line3 line3
drop table t1; drop table t1;
#
# Bug#51571 load xml infile causes server crash
#
CREATE TABLE t1 (a text, b text);
LOAD XML INFILE '../../std_data/loadxml.dat' INTO TABLE t1
ROWS IDENTIFIED BY '<row>' (a,@b) SET b=concat('!',@b);
SELECT * FROM t1 ORDER BY a;
a b
1 !b1
11 !b11
111 !b111
112 !b112 & < > " ' &unknown; -- check entities
2 !b2
212 !b212
213 !b213
214 !b214
215 !b215
216 !&bb b;
3 !b3
DROP TABLE t1;

2
mysql-test/r/null.result
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@ -94,7 +94,7 @@ Warnings:
Warning 1265 Data truncated for column 'd' at row 1 Warning 1265 Data truncated for column 'd' at row 1
UPDATE t1 SET d=1/NULL; UPDATE t1 SET d=1/NULL;
Warnings: Warnings:
Warning 1265 Data truncated for column 'd' at row 1 Warning 1048 Column 'd' cannot be null
UPDATE t1 SET d=NULL; UPDATE t1 SET d=NULL;
Warnings: Warnings:
Warning 1048 Column 'd' cannot be null Warning 1048 Column 'd' cannot be null

2
mysql-test/r/partition_innodb_stmt.result
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@ -42,7 +42,7 @@ id
SET TRANSACTION ISOLATION LEVEL READ COMMITTED; SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
BEGIN; BEGIN;
INSERT INTO t1 VALUES(9); INSERT INTO t1 VALUES(9);
ERROR HY000: Cannot execute statement: binlogging impossible since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED. ERROR HY000: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED.
COMMIT; COMMIT;
COMMIT; COMMIT;
DROP TABLE t1; DROP TABLE t1;

19
mysql-test/r/type_datetime.result
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@ -638,3 +638,22 @@ CAST(CAST('2008-07-29T10:42:51.1234567' AS DateTime) AS DECIMAL(30,7))
Warnings: Warnings:
Warning 1292 Truncated incorrect datetime value: '2008-07-29T10:42:51.1234567' Warning 1292 Truncated incorrect datetime value: '2008-07-29T10:42:51.1234567'
End of 5.1 tests End of 5.1 tests
#
# Start of 5.5 tests
#
#
# Bug#52849 datetime index not work
#
CREATE TABLE t1 (Id INT, AtTime DATETIME, KEY AtTime (AtTime));
SET NAMES CP850;
INSERT INTO t1 VALUES (1,'2010-04-12 22:30:12'), (2,'2010-04-12 22:30:12'), (3,'2010-04-12 22:30:12');
EXPLAIN EXTENDED SELECT * FROM t1 FORCE INDEX(attime) WHERE AtTime = '2010-02-22 18:40:07';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ref AtTime AtTime 9 const 1 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`Id` AS `Id`,`test`.`t1`.`AtTime` AS `AtTime` from `test`.`t1` FORCE INDEX (`attime`) where (`test`.`t1`.`AtTime` = '2010-02-22 18:40:07')
DROP TABLE t1;
SET NAMES latin1;
#
# End of 5.5 tests
#

31
mysql-test/r/user_var.result
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@ -429,3 +429,34 @@ INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (1);
DROP TABLE t1; DROP TABLE t1;
End of 5.1 tests End of 5.1 tests
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(f1 INT AUTO_INCREMENT, PRIMARY KEY(f1));
INSERT INTO t1 SET f1 = NULL ;
SET @aux = NULL ;
INSERT INTO t1 SET f1 = @aux ;
SET @aux1 = 0.123E-1;
SET @aux1 = NULL;
INSERT INTO t1 SET f1 = @aux1 ;
SELECT * FROM t1;
f1
1
2
3
DROP TABLE t1;
CREATE TABLE t1(f1 VARCHAR(257) , f2 INT, PRIMARY KEY(f2));
CREATE TRIGGER trg1 BEFORE INSERT ON t1 FOR EACH ROW SET @aux = 1;
SET @aux = 1;
SET @aux = NULL;
INSERT INTO test.t1 (f1, f2) VALUES (1, 1), (@aux, 2);
SET @aux = 'text';
SET @aux = NULL;
INSERT INTO t1(f1, f2) VALUES (1, 3), (@aux, 4);
SELECT f1, f2 FROM t1 ORDER BY f2;
f1 f2
1 1
1 2
1 3
1 4
DROP TRIGGER trg1;
DROP TABLE t1;
End of 5.5 tests

4
mysql-test/suite/binlog/r/binlog_innodb.result
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@ -14,12 +14,12 @@ SET BINLOG_FORMAT=STATEMENT;
BEGIN; BEGIN;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
UPDATE t1 SET b = 1*a WHERE a > 1; UPDATE t1 SET b = 1*a WHERE a > 1;
ERROR HY000: Cannot execute statement: binlogging impossible since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED. ERROR HY000: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED.
COMMIT; COMMIT;
BEGIN; BEGIN;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
UPDATE t1 SET b = 2*a WHERE a > 2; UPDATE t1 SET b = 2*a WHERE a > 2;
ERROR HY000: Cannot execute statement: binlogging impossible since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED. ERROR HY000: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED.
COMMIT; COMMIT;
BEGIN; BEGIN;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;

2
mysql-test/suite/binlog/r/binlog_killed.result
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@ -1,4 +1,4 @@
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
create table t1 (a int auto_increment, b int, PRIMARY KEY (a)) ENGINE=InnoDB; create table t1 (a int auto_increment, b int, PRIMARY KEY (a)) ENGINE=InnoDB;
create table t2 (a int auto_increment, b int, PRIMARY KEY (a)) ENGINE=MyISAM; create table t2 (a int auto_increment, b int, PRIMARY KEY (a)) ENGINE=MyISAM;
create table t3 (a int auto_increment, b int, PRIMARY KEY (a)) ENGINE=InnoDB; create table t3 (a int auto_increment, b int, PRIMARY KEY (a)) ENGINE=InnoDB;

12
mysql-test/suite/binlog/r/binlog_multi_engine.result
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@ -1,4 +1,4 @@
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
CREATE TABLE t1m (m INT, n INT) ENGINE=MYISAM; CREATE TABLE t1m (m INT, n INT) ENGINE=MYISAM;
CREATE TABLE t1b (b INT, c INT) ENGINE=BLACKHOLE; CREATE TABLE t1b (b INT, c INT) ENGINE=BLACKHOLE;
CREATE TABLE t1n (e INT, f INT) ENGINE=NDB; CREATE TABLE t1n (e INT, f INT) ENGINE=NDB;
@ -8,14 +8,14 @@ INSERT INTO t1b VALUES (1,1), (1,2), (2,1), (2,2);
INSERT INTO t1m VALUES (1,1), (1,2), (2,1), (2,2); INSERT INTO t1m VALUES (1,1), (1,2), (2,1), (2,2);
UPDATE t1m, t1b SET m = 2, b = 3 WHERE n = c; UPDATE t1m, t1b SET m = 2, b = 3 WHERE n = c;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe.
The last event before the COMMIT is use `test`; UPDATE t1m, t1b SET m = 2, b = 3 WHERE n = c The last event before the COMMIT is use `test`; UPDATE t1m, t1b SET m = 2, b = 3 WHERE n = c
*** Please look in binlog_multi_engine.test if you have a diff here **** *** Please look in binlog_multi_engine.test if you have a diff here ****
START TRANSACTION; START TRANSACTION;
INSERT INTO t1n VALUES (1,1), (1,2), (2,1), (2,2); INSERT INTO t1n VALUES (1,1), (1,2), (2,1), (2,2);
UPDATE t1m, t1n SET m = 2, e = 3 WHERE n = f; UPDATE t1m, t1n SET m = 2, e = 3 WHERE n = f;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe.
UPDATE t1n, t1b SET e = 2, b = 3 WHERE f = c; UPDATE t1n, t1b SET e = 2, b = 3 WHERE f = c;
COMMIT; COMMIT;
TRUNCATE t1m; TRUNCATE t1m;
@ -55,7 +55,7 @@ The last event before the COMMIT is use `test`; INSERT INTO t1m VALUES (1,1), (1
INSERT INTO t1n VALUES (1,1), (1,2), (2,1), (2,2); INSERT INTO t1n VALUES (1,1), (1,2), (2,1), (2,2);
UPDATE t1m, t1b SET m = 2, b = 3 WHERE n = c; UPDATE t1m, t1b SET m = 2, b = 3 WHERE n = c;
UPDATE t1m, t1n SET m = 2, e = 3 WHERE n = f; UPDATE t1m, t1n SET m = 2, e = 3 WHERE n = f;
ERROR HY000: Cannot execute statement: binlogging impossible since more than one engine is involved and at least one engine is self-logging. ERROR HY000: Cannot execute statement: impossible to write to binary log since more than one engine is involved and at least one engine is self-logging.
TRUNCATE t1m; TRUNCATE t1m;
TRUNCATE t1b; TRUNCATE t1b;
TRUNCATE t1n; TRUNCATE t1n;
@ -82,9 +82,9 @@ INSERT INTO t1m VALUES (1,1), (1,2), (2,1), (2,2);
INSERT INTO t1b VALUES (1,1), (1,2), (2,1), (2,2); INSERT INTO t1b VALUES (1,1), (1,2), (2,1), (2,2);
INSERT INTO t1n VALUES (1,1), (1,2), (2,1), (2,2); INSERT INTO t1n VALUES (1,1), (1,2), (2,1), (2,2);
UPDATE t1m, t1n SET m = 2, e = 3 WHERE n = f; UPDATE t1m, t1n SET m = 2, e = 3 WHERE n = f;
ERROR HY000: Cannot execute statement: binlogging impossible since more than one engine is involved and at least one engine is self-logging. ERROR HY000: Cannot execute statement: impossible to write to binary log since more than one engine is involved and at least one engine is self-logging.
UPDATE t1n, t1b SET e = 2, b = 3 WHERE f = c; UPDATE t1n, t1b SET e = 2, b = 3 WHERE f = c;
ERROR HY000: Cannot execute statement: binlogging impossible since more than one engine is involved and at least one engine is self-logging. ERROR HY000: Cannot execute statement: impossible to write to binary log since more than one engine is involved and at least one engine is self-logging.
show binlog events from <binlog_start>; show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info Log_name Pos Event_type Server_id End_log_pos Info
mysqld-bin.000001 # Query # # BEGIN mysqld-bin.000001 # Query # # BEGIN

2
mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result
View File

@ -1,4 +1,4 @@
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
drop table if exists t1, t2; drop table if exists t1, t2;
create table t1 (a int) engine=innodb; create table t1 (a int) engine=innodb;
create table t2 (a int) engine=myisam; create table t2 (a int) engine=myisam;

6
mysql-test/suite/binlog/r/binlog_statement_insert_delayed.result
View File

@ -6,7 +6,7 @@ FLUSH TABLES;
show binlog events from <binlog_start>; show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # BEGIN
master-bin.000001 # Query # # use `mtr`; INSERT INTO test_suppressions (pattern) VALUES ( NAME_CONST('pattern',_latin1'Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT' COLLATE 'latin1_swedish_ci')) master-bin.000001 # Query # # use `mtr`; INSERT INTO test_suppressions (pattern) VALUES ( NAME_CONST('pattern',_latin1'Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT' COLLATE 'latin1_swedish_ci'))
master-bin.000001 # Query # # COMMIT master-bin.000001 # Query # # COMMIT
master-bin.000001 # Query # # use `test`; create table t1 (a int not null auto_increment, primary key (a)) engine=myisam master-bin.000001 # Query # # use `test`; create table t1 (a int not null auto_increment, primary key (a)) engine=myisam
master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # BEGIN
@ -22,10 +22,10 @@ master-bin.000001 # Query # # COMMIT
master-bin.000001 # Query # # use `test`; FLUSH TABLES master-bin.000001 # Query # # use `test`; FLUSH TABLES
insert delayed into t1 values (null),(null),(null),(null); insert delayed into t1 values (null),(null),(null),(null);
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses INSERT DELAYED. This is unsafe because the time when rows are inserted cannot be predicted. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses INSERT DELAYED. This is unsafe because the times when rows are inserted cannot be predicted.
insert delayed into t1 values (null),(null),(400),(null); insert delayed into t1 values (null),(null),(400),(null);
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses INSERT DELAYED. This is unsafe because the time when rows are inserted cannot be predicted. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses INSERT DELAYED. This is unsafe because the times when rows are inserted cannot be predicted.
select * from t1; select * from t1;
a a
207 207

2
mysql-test/suite/binlog/r/binlog_stm_blackhole.result
View File

@ -1,4 +1,4 @@
CALL mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); CALL mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
drop table if exists t1,t2; drop table if exists t1,t2;
CREATE TABLE t1 ( CREATE TABLE t1 (
Period smallint(4) unsigned zerofill DEFAULT '0000' NOT NULL, Period smallint(4) unsigned zerofill DEFAULT '0000' NOT NULL,

6
mysql-test/suite/binlog/r/binlog_stm_do_db.result
View File

@ -25,11 +25,11 @@ use b42829;
### binlog-do-db is not filtering used database ### binlog-do-db is not filtering used database
BEGIN; BEGIN;
INSERT INTO t2 VALUES (1,2), (1,3), (1,4); INSERT INTO t2 VALUES (1,2), (1,3), (1,4);
ERROR HY000: Cannot execute statement: binlogging impossible since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED. ERROR HY000: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED.
UPDATE b42829_filtered.t1 ft1, b42829.t1 nft1 SET ft1.x=1, nft1.x=2; UPDATE b42829_filtered.t1 ft1, b42829.t1 nft1 SET ft1.x=1, nft1.x=2;
ERROR HY000: Cannot execute statement: binlogging impossible since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED. ERROR HY000: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED.
INSERT INTO t1 SELECT * FROM t2; INSERT INTO t1 SELECT * FROM t2;
ERROR HY000: Cannot execute statement: binlogging impossible since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED. ERROR HY000: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED.
COMMIT; COMMIT;
### assertion: filtered events did not make into the binlog ### assertion: filtered events did not make into the binlog
show binlog events from <binlog_start>; show binlog events from <binlog_start>;

40
mysql-test/suite/binlog/r/binlog_stm_mix_innodb_myisam.result
View File

@ -1,5 +1,5 @@
CALL mtr.add_suppression("Statement may not be safe to log in statement format."); CALL mtr.add_suppression("Statement may not be safe to log in statement format.");
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
drop table if exists t1, t2; drop table if exists t1, t2;
create table t1 (a int) engine=innodb; create table t1 (a int) engine=innodb;
create table t2 (a int) engine=myisam; create table t2 (a int) engine=myisam;
@ -8,7 +8,7 @@ begin;
insert into t1 values(1); insert into t1 values(1);
insert into t2 select * from t1; insert into t2 select * from t1;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe.
commit; commit;
show binlog events from <binlog_start>; show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info Log_name Pos Event_type Server_id End_log_pos Info
@ -23,7 +23,7 @@ begin;
insert into t1 values(2); insert into t1 values(2);
insert into t2 select * from t1; insert into t2 select * from t1;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe.
rollback; rollback;
Warnings: Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back Warning 1196 Some non-transactional changed tables couldn't be rolled back
@ -42,7 +42,7 @@ savepoint my_savepoint;
insert into t1 values(4); insert into t1 values(4);
insert into t2 select * from t1; insert into t2 select * from t1;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe.
rollback to savepoint my_savepoint; rollback to savepoint my_savepoint;
Warnings: Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back Warning 1196 Some non-transactional changed tables couldn't be rolled back
@ -65,7 +65,7 @@ savepoint my_savepoint;
insert into t1 values(6); insert into t1 values(6);
insert into t2 select * from t1; insert into t2 select * from t1;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe.
rollback to savepoint my_savepoint; rollback to savepoint my_savepoint;
Warnings: Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back Warning 1196 Some non-transactional changed tables couldn't be rolled back
@ -95,7 +95,7 @@ begin;
insert into t1 values(8); insert into t1 values(8);
insert into t2 select * from t1; insert into t2 select * from t1;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe.
select get_lock("a",10); select get_lock("a",10);
get_lock("a",10) get_lock("a",10)
1 1
@ -111,7 +111,7 @@ reset master;
insert into t1 values(9); insert into t1 values(9);
insert into t2 select * from t1; insert into t2 select * from t1;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe.
show binlog events from <binlog_start>; show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # BEGIN
@ -127,7 +127,7 @@ insert into t1 values(10);
begin; begin;
insert into t2 select * from t1; insert into t2 select * from t1;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe.
show binlog events from <binlog_start>; show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # BEGIN
@ -246,11 +246,11 @@ Warning 1196 Some non-transactional changed tables couldn't be rolled back
create table t0 (n int); create table t0 (n int);
insert t0 select * from t1; insert t0 select * from t1;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe.
set autocommit=1; set autocommit=1;
insert into t0 select GET_LOCK("lock1",null); insert into t0 select GET_LOCK("lock1",null);
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a system function whose value may differ on slave. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave.
set autocommit=0; set autocommit=0;
create table t2 (n int) engine=innodb; create table t2 (n int) engine=innodb;
insert into t2 values (3); insert into t2 values (3);
@ -335,7 +335,7 @@ INSERT INTO t1 values (6,6);
CREATE TEMPORARY TABLE t2 (a int, b int, primary key (a)) engine=innodb ; CREATE TEMPORARY TABLE t2 (a int, b int, primary key (a)) engine=innodb ;
INSERT INTO t1 values (7,7); INSERT INTO t1 values (7,7);
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Non-transactional reads or writes are unsafe if they occur after transactional reads or writes inside a transaction. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction.
ROLLBACK; ROLLBACK;
Warnings: Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back Warning 1196 Some non-transactional changed tables couldn't be rolled back
@ -429,7 +429,7 @@ begin;
insert into t1 values(8); insert into t1 values(8);
insert into t2 select * from t1; insert into t2 select * from t1;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe.
select get_lock("a",10); select get_lock("a",10);
get_lock("a",10) get_lock("a",10)
1 1
@ -516,10 +516,10 @@ end|
reset master; reset master;
insert into t2 values (bug27417(1)); insert into t2 values (bug27417(1));
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column which is unsafe to binlog in STATEMENT format because slave may execute it non-deterministically. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly.
insert into t2 select bug27417(2); insert into t2 select bug27417(2);
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column which is unsafe to binlog in STATEMENT format because slave may execute it non-deterministically. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly.
reset master; reset master;
insert into t2 values (bug27417(2)); insert into t2 values (bug27417(2));
ERROR 23000: Duplicate entry '2' for key 'PRIMARY' ERROR 23000: Duplicate entry '2' for key 'PRIMARY'
@ -539,7 +539,7 @@ count(*)
2 2
delete from t2 where a=bug27417(3); delete from t2 where a=bug27417(3);
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column which is unsafe to binlog in STATEMENT format because slave may execute it non-deterministically. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly.
select count(*) from t2 /* nothing got deleted */; select count(*) from t2 /* nothing got deleted */;
count(*) count(*)
2 2
@ -556,7 +556,7 @@ count(*)
delete t2 from t2 where t2.a=bug27417(100) /* must not affect t2 */; delete t2 from t2 where t2.a=bug27417(100) /* must not affect t2 */;
affected rows: 0 affected rows: 0
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column which is unsafe to binlog in STATEMENT format because slave may execute it non-deterministically. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly.
select count(*) from t1 /* must be 7 */; select count(*) from t1 /* must be 7 */;
count(*) count(*)
7 7
@ -774,10 +774,10 @@ end|
reset master; reset master;
insert into t2 values (bug27417(1)); insert into t2 values (bug27417(1));
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column which is unsafe to binlog in STATEMENT format because slave may execute it non-deterministically. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly.
insert into t2 select bug27417(2); insert into t2 select bug27417(2);
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column which is unsafe to binlog in STATEMENT format because slave may execute it non-deterministically. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly.
reset master; reset master;
insert into t2 values (bug27417(2)); insert into t2 values (bug27417(2));
ERROR 23000: Duplicate entry '2' for key 'PRIMARY' ERROR 23000: Duplicate entry '2' for key 'PRIMARY'
@ -796,7 +796,7 @@ count(*)
2 2
delete from t2 where a=bug27417(3); delete from t2 where a=bug27417(3);
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column which is unsafe to binlog in STATEMENT format because slave may execute it non-deterministically. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly.
select count(*) from t2 /* nothing got deleted */; select count(*) from t2 /* nothing got deleted */;
count(*) count(*)
2 2
@ -812,7 +812,7 @@ count(*)
delete t2 from t2 where t2.a=bug27417(100) /* must not affect t2 */; delete t2 from t2 where t2.a=bug27417(100) /* must not affect t2 */;
affected rows: 0 affected rows: 0
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column which is unsafe to binlog in STATEMENT format because slave may execute it non-deterministically. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly.
select count(*) from t1 /* must be 7 */; select count(*) from t1 /* must be 7 */;
count(*) count(*)
7 7

2
mysql-test/suite/binlog/r/binlog_stm_ps.result
View File

@ -11,7 +11,7 @@ prepare s from "insert into t1 select 100 limit ?";
set @a=100; set @a=100;
execute s using @a; execute s using @a;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted.
show binlog events from <binlog_start>; show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query # # use `test`; create table t1 (a int) master-bin.000001 # Query # # use `test`; create table t1 (a int)

4
mysql-test/suite/binlog/r/binlog_stm_row.result
View File

@ -1,4 +1,4 @@
CALL mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); CALL mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2; DROP TABLE IF EXISTS t2;
set @saved_global_binlog_format = @@global.binlog_format; set @saved_global_binlog_format = @@global.binlog_format;
@ -31,7 +31,7 @@ RELEASE_LOCK('Bug#34306')
1 1
# con2 # con2
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a system function whose value may differ on slave. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave.
SELECT RELEASE_LOCK('Bug#34306'); SELECT RELEASE_LOCK('Bug#34306');
RELEASE_LOCK('Bug#34306') RELEASE_LOCK('Bug#34306')
1 1

20
mysql-test/suite/binlog/r/binlog_stm_unsafe_warning.result
View File

@ -1,16 +1,14 @@
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted. .*"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT.");
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a system function whose value may differ on slave. .*");
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column");
### NOT filtered database => assertion: warnings ARE shown ### NOT filtered database => assertion: warnings ARE shown
DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a int, b int, primary key (a)); CREATE TABLE t1 (a int, b int, primary key (a));
INSERT INTO t1 VALUES (1,2), (2,3); INSERT INTO t1 VALUES (1,2), (2,3);
UPDATE t1 SET b='4' WHERE a=1 LIMIT 1; UPDATE t1 SET b='4' WHERE a=1 LIMIT 1;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted.
UPDATE t1 SET b='5' WHERE a=2 ORDER BY a LIMIT 1; UPDATE t1 SET b='5' WHERE a=2 ORDER BY a LIMIT 1;
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted.
DROP TABLE t1; DROP TABLE t1;
### NOT filtered database => assertion: binlog disabled and warnings ARE NOT shown ### NOT filtered database => assertion: binlog disabled and warnings ARE NOT shown
SET SQL_LOG_BIN= 0; SET SQL_LOG_BIN= 0;
@ -41,11 +39,11 @@ CREATE TABLE t1 (a VARCHAR(36), b VARCHAR(10));
SET GLOBAL LOG_WARNINGS = 0; SET GLOBAL LOG_WARNINGS = 0;
INSERT INTO t1 VALUES(UUID(), 'Bug#46265'); INSERT INTO t1 VALUES(UUID(), 'Bug#46265');
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a system function whose value may differ on slave. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave.
SET GLOBAL LOG_WARNINGS = 1; SET GLOBAL LOG_WARNINGS = 1;
INSERT INTO t1 VALUES(UUID(), 'Bug#46265'); INSERT INTO t1 VALUES(UUID(), 'Bug#46265');
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a system function whose value may differ on slave. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave.
DROP TABLE t1; DROP TABLE t1;
SET GLOBAL log_warnings = @old_log_warnings; SET GLOBAL log_warnings = @old_log_warnings;
# Count the number of times the "Unsafe" message was printed # Count the number of times the "Unsafe" message was printed
@ -62,18 +60,18 @@ RETURN 1;
END | END |
INSERT INTO t1 VALUES (0); INSERT INTO t1 VALUES (0);
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column which is unsafe to binlog in STATEMENT format because slave may execute it non-deterministically. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly.
SHOW WARNINGS; SHOW WARNINGS;
Level Code Message Level Code Message
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column which is unsafe to binlog in STATEMENT format because slave may execute it non-deterministically. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly.
SELECT sf_bug50192(); SELECT sf_bug50192();
sf_bug50192() sf_bug50192()
1 1
Warnings: Warnings:
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column which is unsafe to binlog in STATEMENT format because slave may execute it non-deterministically. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly.
SHOW WARNINGS; SHOW WARNINGS;
Level Code Message Level Code Message
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column which is unsafe to binlog in STATEMENT format because slave may execute it non-deterministically. Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly.
DROP FUNCTION sf_bug50192; DROP FUNCTION sf_bug50192;
DROP TRIGGER tr_bug50192; DROP TRIGGER tr_bug50192;
DROP TABLE t1, t2; DROP TABLE t1, t2;

1
mysql-test/suite/binlog/r/binlog_tmp_table.result
View File

@ -1,3 +1,4 @@
RESET MASTER;
create table foo (a int); create table foo (a int);
flush logs; flush logs;
create temporary table tmp1_foo like foo; create temporary table tmp1_foo like foo;

818
mysql-test/suite/binlog/r/binlog_unsafe.result
View File

File diff suppressed because it is too large Load Diff

2
mysql-test/suite/binlog/t/binlog_killed.test
View File

@ -1,7 +1,7 @@
-- source include/have_innodb.inc -- source include/have_innodb.inc
-- source include/have_binlog_format_statement.inc -- source include/have_binlog_format_statement.inc
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
# You cannot use `KILL' with the Embedded MySQL Server library, # You cannot use `KILL' with the Embedded MySQL Server library,
# because the embedded server merely runs inside the threads of the host # because the embedded server merely runs inside the threads of the host

2
mysql-test/suite/binlog/t/binlog_multi_engine.test
View File

@ -7,7 +7,7 @@ source include/have_blackhole.inc;
source include/have_ndb.inc; source include/have_ndb.inc;
source include/have_log_bin.inc; source include/have_log_bin.inc;
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
CREATE TABLE t1m (m INT, n INT) ENGINE=MYISAM; CREATE TABLE t1m (m INT, n INT) ENGINE=MYISAM;
CREATE TABLE t1b (b INT, c INT) ENGINE=BLACKHOLE; CREATE TABLE t1b (b INT, c INT) ENGINE=BLACKHOLE;

2
mysql-test/suite/binlog/t/binlog_statement_insert_delayed.test
View File

@ -7,6 +7,6 @@
reset master; # get rid of previous tests binlog reset master; # get rid of previous tests binlog
-- enable_query_log -- enable_query_log
disable_query_log; disable_query_log;
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
enable_query_log; enable_query_log;
-- source extra/binlog_tests/binlog_insert_delayed.test -- source extra/binlog_tests/binlog_insert_delayed.test

2
mysql-test/suite/binlog/t/binlog_stm_ps.test
View File

@ -4,7 +4,7 @@
-- source include/have_binlog_format_statement.inc -- source include/have_binlog_format_statement.inc
disable_query_log; disable_query_log;
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
enable_query_log; enable_query_log;
-- disable_query_log -- disable_query_log

2
mysql-test/suite/binlog/t/binlog_stm_row.test
View File

@ -2,7 +2,7 @@
# Test sets its own binlog_format, so we restrict it to run only once # Test sets its own binlog_format, so we restrict it to run only once
--source include/have_binlog_format_row.inc --source include/have_binlog_format_row.inc
CALL mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); CALL mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
# Get rid of previous tests binlog # Get rid of previous tests binlog
--disable_query_log --disable_query_log

4
mysql-test/suite/binlog/t/binlog_stm_unsafe_warning.test
View File

@ -25,9 +25,7 @@
-- source include/have_log_bin.inc -- source include/have_log_bin.inc
-- source include/have_binlog_format_statement.inc -- source include/have_binlog_format_statement.inc
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted. .*"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT.");
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a system function whose value may differ on slave. .*");
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column");
-- echo ### NOT filtered database => assertion: warnings ARE shown -- echo ### NOT filtered database => assertion: warnings ARE shown

8
mysql-test/suite/binlog/t/binlog_tmp_table.test
View File

@ -28,8 +28,10 @@
source include/have_log_bin.inc; source include/have_log_bin.inc;
source include/have_binlog_format_mixed_or_statement.inc; source include/have_binlog_format_mixed_or_statement.inc;
RESET MASTER;
--disable_query_log --disable_query_log
CALL mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT"); CALL mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
--enable_query_log --enable_query_log
connect (master,127.0.0.1,root,,test,$MASTER_MYPORT,); connect (master,127.0.0.1,root,,test,$MASTER_MYPORT,);
@ -71,6 +73,8 @@ truncate table tmp1_foo;
connection master1; connection master1;
truncate table tmp2_foo; truncate table tmp2_foo;
let $binlog_file= query_get_value(SHOW MASTER STATUS, File, 1);
flush logs; flush logs;
connection default; connection default;
@ -82,7 +86,7 @@ create table foo (a int);
# replay from binary log # replay from binary log
let $MYSQLD_DATADIR= `select @@datadir`; let $MYSQLD_DATADIR= `select @@datadir`;
exec $MYSQL_BINLOG $MYSQLD_DATADIR/master-bin.000002 | $MYSQL; exec $MYSQL_BINLOG $MYSQLD_DATADIR/$binlog_file | $MYSQL;
select * from foo; select * from foo;
# clean up # clean up

8
mysql-test/suite/binlog/t/binlog_unsafe.test
View File

@ -78,7 +78,7 @@
# BUG#45825: INSERT DELAYED is not unsafe: logged in statement format # BUG#45825: INSERT DELAYED is not unsafe: logged in statement format
# BUG#45785: LIMIT in SP does not cause RBL if binlog_format=MIXED # BUG#45785: LIMIT in SP does not cause RBL if binlog_format=MIXED
# BUG#47995: Mark user functions as unsafe # BUG#47995: Mark user functions as unsafe
# BUG#49222: Mare RAND() unsafe # BUG#49222: Mark RAND() unsafe
# #
# ==== Related test cases ==== # ==== Related test cases ====
# #
@ -90,15 +90,15 @@
# actually can be replicated safely in statement mode. # actually can be replicated safely in statement mode.
# #
# rpl_ndb.rpl_ndb_binlog_format_errors tests all errors and warnings # rpl_ndb.rpl_ndb_binlog_format_errors tests all errors and warnings
# related to logging format (not just 'Unsafe statement binlogged in # related to logging format (not just 'Unsafe statement written to the
# statement mode since BINLOG_FORMAT = STATEMENT'). # binary log using statement format since BINLOG_FORMAT = STATEMENT').
--source include/have_udf.inc --source include/have_udf.inc
--source include/have_log_bin.inc --source include/have_log_bin.inc
--source include/have_binlog_format_statement.inc --source include/have_binlog_format_statement.inc
--disable_query_log --disable_query_log
call mtr.add_suppression("Unsafe statement binlogged in statement format"); call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
--enable_query_log --enable_query_log
--echo #### Setup tables #### --echo #### Setup tables ####

165
mysql-test/suite/engines/funcs/r/ai_init_insert.result
View File

@ -1,14 +1,9 @@
DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t1;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, c8 VARCHAR(100), c9 CHAR(50), c10 DATETIME, c11 DATETIME, c12 DATETIME,c13 DATETIME, INDEX i1 (c1), INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, c8 VARCHAR(100), c9 CHAR(50), c10 DATETIME, c11 DATETIME, c12 DATETIME,c13 DATETIME, INDEX i1 (c1), INDEX i2(c2)
) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
Warnings:
Warning 1629 Comment for field 'c1' is too long (max = 255)
Warning 1629 Comment for field 'c2' is too long (max = 255)
Warning 1629 Comment for field 'c3' is too long (max = 255)
Warning 1628 Comment for table 't1' is too long (max = 60)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
0 0
@ -21,9 +16,9 @@ column_comment char_length(column_comment)
0 0
0 0
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment FROM information_schema.statistics WHERE table_name='t1'; SELECT comment FROM information_schema.statistics WHERE table_name='t1';
comment comment
@ -31,9 +26,9 @@ comment
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
@ -46,10 +41,10 @@ t1 CREATE TABLE `t1` (
`c13` datetime DEFAULT NULL, `c13` datetime DEFAULT NULL,
KEY `i1` (`c1`), KEY `i1` (`c1`),
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
0 0
@ -62,9 +57,9 @@ column_comment char_length(column_comment)
0 0
0 0
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment FROM information_schema.statistics WHERE table_name='t1'; SELECT comment FROM information_schema.statistics WHERE table_name='t1';
comment comment
@ -72,9 +67,9 @@ comment
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
@ -87,10 +82,10 @@ t1 CREATE TABLE `t1` (
`c13` datetime DEFAULT NULL, `c13` datetime DEFAULT NULL,
KEY `i1` (`c1`), KEY `i1` (`c1`),
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
0 0
@ -103,9 +98,9 @@ column_comment char_length(column_comment)
0 0
0 0
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment FROM information_schema.statistics WHERE table_name='t1'; SELECT comment FROM information_schema.statistics WHERE table_name='t1';
comment comment
@ -113,9 +108,9 @@ comment
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
@ -128,12 +123,12 @@ t1 CREATE TABLE `t1` (
`c13` datetime DEFAULT NULL, `c13` datetime DEFAULT NULL,
KEY `i1` (`c1`), KEY `i1` (`c1`),
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
DROP INDEX i1 ON t1; DROP INDEX i1 ON t1;
ALTER TABLE t1 DROP INDEX i2; ALTER TABLE t1 DROP INDEX i2;
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
0 0
@ -146,17 +141,17 @@ column_comment char_length(column_comment)
0 0
0 0
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment FROM information_schema.statistics WHERE table_name='t1'; SELECT comment FROM information_schema.statistics WHERE table_name='t1';
comment comment
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
@ -167,10 +162,10 @@ t1 CREATE TABLE `t1` (
`c11` datetime DEFAULT NULL, `c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL, `c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL `c13` datetime DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
0 0
@ -183,17 +178,17 @@ column_comment char_length(column_comment)
0 0
0 0
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment FROM information_schema.statistics WHERE table_name='t1'; SELECT comment FROM information_schema.statistics WHERE table_name='t1';
comment comment
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
@ -204,10 +199,10 @@ t1 CREATE TABLE `t1` (
`c11` datetime DEFAULT NULL, `c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL, `c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL `c13` datetime DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
0 0
@ -220,17 +215,17 @@ column_comment char_length(column_comment)
0 0
0 0
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment FROM information_schema.statistics WHERE table_name='t1'; SELECT comment FROM information_schema.statistics WHERE table_name='t1';
comment comment
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
@ -241,10 +236,10 @@ t1 CREATE TABLE `t1` (
`c11` datetime DEFAULT NULL, `c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL, `c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL `c13` datetime DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
0 0
@ -257,17 +252,17 @@ column_comment char_length(column_comment)
0 0
0 0
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment FROM information_schema.statistics WHERE table_name='t1'; SELECT comment FROM information_schema.statistics WHERE table_name='t1';
comment comment
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
@ -278,10 +273,10 @@ t1 CREATE TABLE `t1` (
`c11` datetime DEFAULT NULL, `c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL, `c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL `c13` datetime DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
0 0
@ -294,17 +289,17 @@ column_comment char_length(column_comment)
0 0
0 0
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment FROM information_schema.statistics WHERE table_name='t1'; SELECT comment FROM information_schema.statistics WHERE table_name='t1';
comment comment
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
@ -315,11 +310,11 @@ t1 CREATE TABLE `t1` (
`c11` datetime DEFAULT NULL, `c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL, `c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL `c13` datetime DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
set sql_mode='TRADITIONAL'; set sql_mode='TRADITIONAL';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
0 0
@ -332,17 +327,17 @@ column_comment char_length(column_comment)
0 0
0 0
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment FROM information_schema.statistics WHERE table_name='t1'; SELECT comment FROM information_schema.statistics WHERE table_name='t1';
comment comment
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
@ -353,11 +348,11 @@ t1 CREATE TABLE `t1` (
`c11` datetime DEFAULT NULL, `c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL, `c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL `c13` datetime DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
set sql_mode='TRADITIONAL'; set sql_mode='TRADITIONAL';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
0 0
@ -370,17 +365,17 @@ column_comment char_length(column_comment)
0 0
0 0
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment FROM information_schema.statistics WHERE table_name='t1'; SELECT comment FROM information_schema.statistics WHERE table_name='t1';
comment comment
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
@ -391,5 +386,5 @@ t1 CREATE TABLE `t1` (
`c11` datetime DEFAULT NULL, `c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL, `c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL `c13` datetime DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
DROP TABLE t1; DROP TABLE t1;

314
mysql-test/suite/engines/funcs/r/comment_column.result
View File

@ -1,366 +1,392 @@
DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t1;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1),INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
Warnings:
Warning 1629 Comment for field 'c1' is too long (max = 255)
Warning 1629 Comment for field 'c2' is too long (max = 255)
Warning 1629 Comment for field 'c3' is too long (max = 255)
Warning 1628 Comment for table 't1' is too long (max = 60)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
0 0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
ALTER TABLE t1 ADD COLUMN c8 INTEGER COMMENT 'ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ALTER TABLE t1 ADD COLUMN c8 INTEGER COMMENT 'ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
Warnings:
Warning 1629 Comment for field 'c8' is too long (max = 255)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
0 0
ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
`c8` int(11) DEFAULT NULL COMMENT 'ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c8` int(11) DEFAULT NULL COMMENT 'ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
ALTER TABLE t1 ADD COLUMN c9 INTEGER COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ALTER TABLE t1 ADD COLUMN c9 INTEGER COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
Warnings:
Warning 1629 Comment for field 'c9' is too long (max = 255)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
0 0
ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
`c8` int(11) DEFAULT NULL COMMENT 'ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c8` int(11) DEFAULT NULL COMMENT 'ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c9` int(11) DEFAULT NULL COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c9` int(11) DEFAULT NULL COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
ALTER TABLE t1 ADD COLUMN c10 INTEGER COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ALTER TABLE t1 ADD COLUMN c10 INTEGER COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
Warnings:
Warning 1629 Comment for field 'c10' is too long (max = 255)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
0 0
ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
`c8` int(11) DEFAULT NULL COMMENT 'ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c8` int(11) DEFAULT NULL COMMENT 'ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c9` int(11) DEFAULT NULL COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c9` int(11) DEFAULT NULL COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
ALTER TABLE t1 MODIFY COLUMN c8 CHAR(10); ALTER TABLE t1 MODIFY COLUMN c8 CHAR(10);
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
0 0
0 0
ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
`c8` char(10) DEFAULT NULL, `c8` char(10) DEFAULT NULL,
`c9` int(11) DEFAULT NULL COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c9` int(11) DEFAULT NULL COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
ALTER TABLE t1 CHANGE COLUMN c9 c9_1 INTEGER COMMENT '1234567890'; ALTER TABLE t1 CHANGE COLUMN c9 c9_1 INTEGER COMMENT '1234567890';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
0 0
0 0
1234567890 10 1234567890 10
ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
`c8` char(10) DEFAULT NULL, `c8` char(10) DEFAULT NULL,
`c9_1` int(11) DEFAULT NULL COMMENT '1234567890', `c9_1` int(11) DEFAULT NULL COMMENT '1234567890',
`c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
ALTER TABLE t1 DROP COLUMN c1; ALTER TABLE t1 DROP COLUMN c1;
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
0 0
0 0
1234567890 10 1234567890 10
ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
0
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
`c8` char(10) DEFAULT NULL, `c8` char(10) DEFAULT NULL,
`c9_1` int(11) DEFAULT NULL COMMENT '1234567890', `c9_1` int(11) DEFAULT NULL COMMENT '1234567890',
`c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
ALTER TABLE t1 ADD COLUMN c11 INTEGER COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ALTER TABLE t1 ADD COLUMN c11 INTEGER COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
Warnings: Warnings:
Warning 1629 Comment for field 'c11' is too long (max = 255) Warning 1629 Comment for field 'c11' is too long (max = 1024)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
0 0
0 0
1234567890 10 1234567890 10
ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
0
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
`c8` char(10) DEFAULT NULL, `c8` char(10) DEFAULT NULL,
`c9_1` int(11) DEFAULT NULL COMMENT '1234567890', `c9_1` int(11) DEFAULT NULL COMMENT '1234567890',
`c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c11` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c11` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
set sql_mode='TRADITIONAL'; set sql_mode='TRADITIONAL';
ALTER TABLE t1 ADD COLUMN c12 INTEGER COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ALTER TABLE t1 ADD COLUMN c12 INTEGER COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
ERROR HY000: Comment for field 'c12' is too long (max = 255) ERROR HY000: Comment for field 'c12' is too long (max = 1024)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
0 0
0 0
1234567890 10 1234567890 10
ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
0
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
`c8` char(10) DEFAULT NULL, `c8` char(10) DEFAULT NULL,
`c9_1` int(11) DEFAULT NULL COMMENT '1234567890', `c9_1` int(11) DEFAULT NULL COMMENT '1234567890',
`c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c11` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c11` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
set sql_mode=''; set sql_mode='';
ALTER TABLE t1 ADD COLUMN c12 CHAR(100) COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ALTER TABLE t1 ADD COLUMN c12 CHAR(100) COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
Warnings:
Warning 1629 Comment for field 'c12' is too long (max = 255)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
0 0
0 0
1234567890 10 1234567890 10
ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
0
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
`c8` char(10) DEFAULT NULL, `c8` char(10) DEFAULT NULL,
`c9_1` int(11) DEFAULT NULL COMMENT '1234567890', `c9_1` int(11) DEFAULT NULL COMMENT '1234567890',
`c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c10` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c11` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c11` int(11) DEFAULT NULL COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c12` char(100) DEFAULT NULL COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c12` char(100) DEFAULT NULL COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
drop table t1; drop table t1;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdaBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdaBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
Warnings: Warnings:
Warning 1629 Comment for field 'c1' is too long (max = 255) Warning 1629 Comment for field 'c2' is too long (max = 1024)
Warning 1629 Comment for field 'c2' is too long (max = 255)
Warning 1629 Comment for field 'c3' is too long (max = 255)
Warning 1628 Comment for table 't1' is too long (max = 60)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
0 0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde', `c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
DROP TABLE t1; DROP TABLE t1;
set sql_mode='TRADITIONAL'; set sql_mode='TRADITIONAL';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdaBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdaBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
ERROR HY000: Comment for field 'c1' is too long (max = 255) ERROR HY000: Comment for field 'c2' is too long (max = 1024)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)

679
mysql-test/suite/engines/funcs/r/comment_column2.result
View File

@ -50,346 +50,276 @@ c47 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghi
c48 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij', c48 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij',
c49 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij', c49 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij',
c50 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'); c50 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij');
Warnings:
Warning 1629 Comment for field 'c1' is too long (max = 255)
Warning 1629 Comment for field 'c2' is too long (max = 255)
Warning 1629 Comment for field 'c3' is too long (max = 255)
Warning 1629 Comment for field 'c4' is too long (max = 255)
Warning 1629 Comment for field 'c5' is too long (max = 255)
Warning 1629 Comment for field 'c6' is too long (max = 255)
Warning 1629 Comment for field 'c7' is too long (max = 255)
Warning 1629 Comment for field 'c8' is too long (max = 255)
Warning 1629 Comment for field 'c9' is too long (max = 255)
Warning 1629 Comment for field 'c10' is too long (max = 255)
Warning 1629 Comment for field 'c11' is too long (max = 255)
Warning 1629 Comment for field 'c12' is too long (max = 255)
Warning 1629 Comment for field 'c13' is too long (max = 255)
Warning 1629 Comment for field 'c14' is too long (max = 255)
Warning 1629 Comment for field 'c15' is too long (max = 255)
Warning 1629 Comment for field 'c16' is too long (max = 255)
Warning 1629 Comment for field 'c17' is too long (max = 255)
Warning 1629 Comment for field 'c18' is too long (max = 255)
Warning 1629 Comment for field 'c19' is too long (max = 255)
Warning 1629 Comment for field 'c20' is too long (max = 255)
Warning 1629 Comment for field 'c21' is too long (max = 255)
Warning 1629 Comment for field 'c22' is too long (max = 255)
Warning 1629 Comment for field 'c23' is too long (max = 255)
Warning 1629 Comment for field 'c24' is too long (max = 255)
Warning 1629 Comment for field 'c25' is too long (max = 255)
Warning 1629 Comment for field 'c26' is too long (max = 255)
Warning 1629 Comment for field 'c27' is too long (max = 255)
Warning 1629 Comment for field 'c28' is too long (max = 255)
Warning 1629 Comment for field 'c29' is too long (max = 255)
Warning 1629 Comment for field 'c30' is too long (max = 255)
Warning 1629 Comment for field 'c31' is too long (max = 255)
Warning 1629 Comment for field 'c32' is too long (max = 255)
Warning 1629 Comment for field 'c33' is too long (max = 255)
Warning 1629 Comment for field 'c34' is too long (max = 255)
Warning 1629 Comment for field 'c35' is too long (max = 255)
Warning 1629 Comment for field 'c36' is too long (max = 255)
Warning 1629 Comment for field 'c37' is too long (max = 255)
Warning 1629 Comment for field 'c38' is too long (max = 255)
Warning 1629 Comment for field 'c39' is too long (max = 255)
Warning 1629 Comment for field 'c40' is too long (max = 255)
Warning 1629 Comment for field 'c41' is too long (max = 255)
Warning 1629 Comment for field 'c42' is too long (max = 255)
Warning 1629 Comment for field 'c43' is too long (max = 255)
Warning 1629 Comment for field 'c44' is too long (max = 255)
Warning 1629 Comment for field 'c45' is too long (max = 255)
Warning 1629 Comment for field 'c46' is too long (max = 255)
Warning 1629 Comment for field 'c47' is too long (max = 255)
Warning 1629 Comment for field 'c48' is too long (max = 255)
Warning 1629 Comment for field 'c49' is too long (max = 255)
Warning 1629 Comment for field 'c50' is too long (max = 255)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
0 0
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
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SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
ALTER TABLE t1 ADD COLUMN c51 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij',ADD COLUMN c52 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c51 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij',ADD COLUMN c52 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings:
Warning 1629 Comment for field 'c51' is too long (max = 255)
Warning 1629 Comment for field 'c52' is too long (max = 255)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
0 0
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
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abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
ALTER TABLE t1 ADD COLUMN c53 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c53 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings:
Warning 1629 Comment for field 'c53' is too long (max = 255)
ALTER TABLE t1 ADD COLUMN c54 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c54 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings:
Warning 1629 Comment for field 'c54' is too long (max = 255)
ALTER TABLE t1 ADD COLUMN c55 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c55 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings:
Warning 1629 Comment for field 'c55' is too long (max = 255)
ALTER TABLE t1 ADD COLUMN c56 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c56 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings:
Warning 1629 Comment for field 'c56' is too long (max = 255)
ALTER TABLE t1 ADD COLUMN c57 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c57 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings:
Warning 1629 Comment for field 'c57' is too long (max = 255)
ALTER TABLE t1 ADD COLUMN c58 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c58 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings:
Warning 1629 Comment for field 'c58' is too long (max = 255)
ALTER TABLE t1 ADD COLUMN c59 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c59 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings:
Warning 1629 Comment for field 'c59' is too long (max = 255)
ALTER TABLE t1 ADD COLUMN c60 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c60 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings:
Warning 1629 Comment for field 'c60' is too long (max = 255)
ALTER TABLE t1 ADD COLUMN c61 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c61 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings:
Warning 1629 Comment for field 'c61' is too long (max = 255)
ALTER TABLE t1 ADD COLUMN c62 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c62 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings:
Warning 1629 Comment for field 'c62' is too long (max = 255)
ALTER TABLE t1 ADD COLUMN c63 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c63 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings:
Warning 1629 Comment for field 'c63' is too long (max = 255)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
0 0
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
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abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
ALTER TABLE t1 ADD COLUMN c64 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c64 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
Warnings: ERROR HY000: Too many columns
Warning 1629 Comment for field 'c64' is too long (max = 255)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
0 0
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
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abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 1000
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
drop table t1; drop table t1;
create table t1 ( create table t1 (
c1 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij', c1 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij',
@ -458,139 +388,10 @@ c63 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghi
c64 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij', c64 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij',
c65 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij') c65 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij')
; ;
Warnings: ERROR HY000: Too many columns
Warning 1629 Comment for field 'c1' is too long (max = 255)
Warning 1629 Comment for field 'c2' is too long (max = 255)
Warning 1629 Comment for field 'c3' is too long (max = 255)
Warning 1629 Comment for field 'c4' is too long (max = 255)
Warning 1629 Comment for field 'c5' is too long (max = 255)
Warning 1629 Comment for field 'c6' is too long (max = 255)
Warning 1629 Comment for field 'c7' is too long (max = 255)
Warning 1629 Comment for field 'c8' is too long (max = 255)
Warning 1629 Comment for field 'c9' is too long (max = 255)
Warning 1629 Comment for field 'c10' is too long (max = 255)
Warning 1629 Comment for field 'c11' is too long (max = 255)
Warning 1629 Comment for field 'c12' is too long (max = 255)
Warning 1629 Comment for field 'c13' is too long (max = 255)
Warning 1629 Comment for field 'c14' is too long (max = 255)
Warning 1629 Comment for field 'c15' is too long (max = 255)
Warning 1629 Comment for field 'c16' is too long (max = 255)
Warning 1629 Comment for field 'c17' is too long (max = 255)
Warning 1629 Comment for field 'c18' is too long (max = 255)
Warning 1629 Comment for field 'c19' is too long (max = 255)
Warning 1629 Comment for field 'c20' is too long (max = 255)
Warning 1629 Comment for field 'c21' is too long (max = 255)
Warning 1629 Comment for field 'c22' is too long (max = 255)
Warning 1629 Comment for field 'c23' is too long (max = 255)
Warning 1629 Comment for field 'c24' is too long (max = 255)
Warning 1629 Comment for field 'c25' is too long (max = 255)
Warning 1629 Comment for field 'c26' is too long (max = 255)
Warning 1629 Comment for field 'c27' is too long (max = 255)
Warning 1629 Comment for field 'c28' is too long (max = 255)
Warning 1629 Comment for field 'c29' is too long (max = 255)
Warning 1629 Comment for field 'c30' is too long (max = 255)
Warning 1629 Comment for field 'c31' is too long (max = 255)
Warning 1629 Comment for field 'c32' is too long (max = 255)
Warning 1629 Comment for field 'c33' is too long (max = 255)
Warning 1629 Comment for field 'c34' is too long (max = 255)
Warning 1629 Comment for field 'c35' is too long (max = 255)
Warning 1629 Comment for field 'c36' is too long (max = 255)
Warning 1629 Comment for field 'c37' is too long (max = 255)
Warning 1629 Comment for field 'c38' is too long (max = 255)
Warning 1629 Comment for field 'c39' is too long (max = 255)
Warning 1629 Comment for field 'c40' is too long (max = 255)
Warning 1629 Comment for field 'c41' is too long (max = 255)
Warning 1629 Comment for field 'c42' is too long (max = 255)
Warning 1629 Comment for field 'c43' is too long (max = 255)
Warning 1629 Comment for field 'c44' is too long (max = 255)
Warning 1629 Comment for field 'c45' is too long (max = 255)
Warning 1629 Comment for field 'c46' is too long (max = 255)
Warning 1629 Comment for field 'c47' is too long (max = 255)
Warning 1629 Comment for field 'c48' is too long (max = 255)
Warning 1629 Comment for field 'c49' is too long (max = 255)
Warning 1629 Comment for field 'c50' is too long (max = 255)
Warning 1629 Comment for field 'c51' is too long (max = 255)
Warning 1629 Comment for field 'c52' is too long (max = 255)
Warning 1629 Comment for field 'c53' is too long (max = 255)
Warning 1629 Comment for field 'c54' is too long (max = 255)
Warning 1629 Comment for field 'c55' is too long (max = 255)
Warning 1629 Comment for field 'c56' is too long (max = 255)
Warning 1629 Comment for field 'c57' is too long (max = 255)
Warning 1629 Comment for field 'c58' is too long (max = 255)
Warning 1629 Comment for field 'c59' is too long (max = 255)
Warning 1629 Comment for field 'c60' is too long (max = 255)
Warning 1629 Comment for field 'c61' is too long (max = 255)
Warning 1629 Comment for field 'c62' is too long (max = 255)
Warning 1629 Comment for field 'c63' is too long (max = 255)
Warning 1629 Comment for field 'c64' is too long (max = 255)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
0
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255 comment index_comment char_length(index_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 255
drop table t1;

482
mysql-test/suite/engines/funcs/r/comment_index.result Normal file
View File

@ -0,0 +1,482 @@
DROP TABLE IF EXISTS t1;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, c8 VARCHAR(100), c9 CHAR(50), c10 DATETIME, c11 DATETIME, c12 DATETIME,c13 DATETIME, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0
0
0
0
0
0
0
0
0
0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
CREATE INDEX i4 ON t1(c4) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
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0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`),
KEY `i4` (`c4`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
ALTER TABLE t1 ADD INDEX (c6) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
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SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`),
KEY `i4` (`c4`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `c6` (`c6`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
DROP INDEX i1 ON t1;
ALTER TABLE t1 DROP INDEX i2, DROP INDEX i4;
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0
0
0
0
0
0
0
0
0
0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
ALTER TABLE t1 ADD INDEX i8(c8) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', ADD INDEX i10(c10) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0
0
0
0
0
0
0
0
0
0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i8` (`c8`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i10` (`c10`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
CREATE INDEX i1_3 ON t1(c1,c2,c3) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0
0
0
0
0
0
0
0
0
0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i8` (`c8`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i10` (`c10`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i1_3` (`c1`,`c2`,`c3`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
CREATE INDEX i11 ON t1(c11) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
Warnings:
Warning 1688 Comment for index 'i11' is too long (max = 1024)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0
0
0
0
0
0
0
0
0
0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i8` (`c8`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i10` (`c10`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i1_3` (`c1`,`c2`,`c3`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i11` (`c11`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
ALTER TABLE t1 ADD INDEX (c13) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
Warnings:
Warning 1688 Comment for index 'c13' is too long (max = 1024)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0
0
0
0
0
0
0
0
0
0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i8` (`c8`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i10` (`c10`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i1_3` (`c1`,`c2`,`c3`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i11` (`c11`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `c13` (`c13`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
set sql_mode='TRADITIONAL';
ALTER TABLE t1 ADD INDEX i12 (c12) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
ERROR HY000: Comment for index 'i12' is too long (max = 1024)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0
0
0
0
0
0
0
0
0
0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i8` (`c8`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i10` (`c10`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i1_3` (`c1`,`c2`,`c3`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i11` (`c11`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `c13` (`c13`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
set sql_mode='TRADITIONAL';
CREATE INDEX i12 ON t1(c12) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
ERROR HY000: Comment for index 'i12' is too long (max = 1024)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0
0
0
0
0
0
0
0
0
0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c2` int(11) DEFAULT NULL COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i8` (`c8`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i10` (`c10`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i1_3` (`c1`,`c2`,`c3`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `i11` (`c11`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',
KEY `c13` (`c13`) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
DROP TABLE t1;

96
mysql-test/suite/engines/funcs/r/comment_table.result
View File

@ -1,17 +1,14 @@
DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t1;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
Warnings:
Warning 1629 Comment for field 'c3' is too long (max = 255)
Warning 1628 Comment for table 't1' is too long (max = 60)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
c1 comment 10 c1 comment 10
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
@ -21,28 +18,25 @@ Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'c1 comment', `c1` varchar(10) NOT NULL COMMENT 'c1 comment',
`c2` int(11) DEFAULT NULL, `c2` int(11) DEFAULT NULL,
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
drop table t1; drop table t1;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde'; ) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde';
Warnings:
Warning 1629 Comment for field 'c3' is too long (max = 255)
Warning 1628 Comment for table 't1' is too long (max = 60)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 1025
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
c1 comment 10 c1 comment 10
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
@ -52,45 +46,81 @@ Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'c1 comment', `c1` varchar(10) NOT NULL COMMENT 'c1 comment',
`c2` int(11) DEFAULT NULL, `c2` int(11) DEFAULT NULL,
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234', `c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde'
drop table t1; drop table t1;
set sql_mode='TRADITIONAL'; set sql_mode='TRADITIONAL';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde'; ) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde';
ERROR HY000: Comment for field 'c3' is too long (max = 255)
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
ERROR HY000: Comment for field 'c3' is too long (max = 255)
SET SQL_MODE='';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde';
Warnings:
Warning 1629 Comment for field 'c3' is too long (max = 255)
Warning 1628 Comment for table 't1' is too long (max = 60)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij 60 abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde 1025
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
c1 comment 10 c1 comment 10
0 0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 255 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0
0
0
0
drop table t1;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 2048
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
c1 comment 10
0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0
0
0
0
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'c1 comment',
`c2` int(11) DEFAULT NULL,
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'
drop table t1;
SET SQL_MODE='';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde';
Warnings:
Warning 1628 Comment for table 't1' is too long (max = 2048)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd 2048
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
c1 comment 10
0
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0 0
0 0
0 0
0 0
drop table t1; drop table t1;
SET SQL_MODE='TRADITIONAL'; SET SQL_MODE='TRADITIONAL';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde'; ) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde';
ERROR HY000: Comment for field 'c3' is too long (max = 255) ERROR HY000: Comment for table 't1' is too long (max = 2048)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';

443
mysql-test/suite/engines/funcs/r/db_alter_character_set.result
View File

@ -30,9 +30,12 @@ macce Mac Central European macce_general_ci 1
macroman Mac West European macroman_general_ci 1 macroman Mac West European macroman_general_ci 1
cp852 DOS Central European cp852_general_ci 1 cp852 DOS Central European cp852_general_ci 1
latin7 ISO 8859-13 Baltic latin7_general_ci 1 latin7 ISO 8859-13 Baltic latin7_general_ci 1
utf8mb4 UTF-8 Unicode utf8mb4_general_ci 4
cp1251 Windows Cyrillic cp1251_general_ci 1 cp1251 Windows Cyrillic cp1251_general_ci 1
utf16 UTF-16 Unicode utf16_general_ci 4
cp1256 Windows Arabic cp1256_general_ci 1 cp1256 Windows Arabic cp1256_general_ci 1
cp1257 Windows Baltic cp1257_general_ci 1 cp1257 Windows Baltic cp1257_general_ci 1
utf32 UTF-32 Unicode utf32_general_ci 4
binary Binary pseudo charset binary 1 binary Binary pseudo charset binary 1
geostd8 GEOSTD8 Georgian geostd8_general_ci 1 geostd8 GEOSTD8 Georgian geostd8_general_ci 1
cp932 SJIS for Windows Japanese cp932_japanese_ci 2 cp932 SJIS for Windows Japanese cp932_japanese_ci 2
@ -40,340 +43,380 @@ eucjpms UJIS for Windows Japanese eucjpms_japanese_ci 3
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d8 CHARACTER SET ascii; ALTER DATABASE d8 CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 ascii ascii_general_ci NULL def d8 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d8 CHARACTER SET utf8; ALTER DATABASE d8 CHARACTER SET utf8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 utf8 utf8_general_ci NULL def d8 utf8 utf8_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d8 CHARACTER SET binary; ALTER DATABASE d8 CHARACTER SET binary;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 binary binary NULL def d8 binary binary NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d8 CHARACTER SET swe7; ALTER DATABASE d8 CHARACTER SET swe7;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 swe7 swe7_swedish_ci NULL def d8 swe7 swe7_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d8 CHARACTER SET cp1251; ALTER DATABASE d8 CHARACTER SET cp1251;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 cp1251 cp1251_general_ci NULL def d8 cp1251 cp1251_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d8 DEFAULT CHARACTER SET ascii; ALTER DATABASE d8 DEFAULT CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 ascii ascii_general_ci NULL def d8 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d8 DEFAULT CHARACTER SET utf8; ALTER DATABASE d8 DEFAULT CHARACTER SET utf8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 utf8 utf8_general_ci NULL def d8 utf8 utf8_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d8 DEFAULT CHARACTER SET binary; ALTER DATABASE d8 DEFAULT CHARACTER SET binary;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 binary binary NULL def d8 binary binary NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d8 DEFAULT CHARACTER SET swe7; ALTER DATABASE d8 DEFAULT CHARACTER SET swe7;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 swe7 swe7_swedish_ci NULL def d8 swe7 swe7_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d8 DEFAULT CHARACTER SET cp1251; ALTER DATABASE d8 DEFAULT CHARACTER SET cp1251;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 cp1251 cp1251_general_ci NULL def d8 cp1251 cp1251_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d8 CHARACTER SET ascii; ALTER SCHEMA d8 CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 ascii ascii_general_ci NULL def d8 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d8 CHARACTER SET utf8; ALTER SCHEMA d8 CHARACTER SET utf8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 utf8 utf8_general_ci NULL def d8 utf8 utf8_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d8 CHARACTER SET binary; ALTER SCHEMA d8 CHARACTER SET binary;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 binary binary NULL def d8 binary binary NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d8 CHARACTER SET swe7; ALTER SCHEMA d8 CHARACTER SET swe7;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 swe7 swe7_swedish_ci NULL def d8 swe7 swe7_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d8 CHARACTER SET cp1251; ALTER SCHEMA d8 CHARACTER SET cp1251;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 cp1251 cp1251_general_ci NULL def d8 cp1251 cp1251_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d8 DEFAULT CHARACTER SET ascii; ALTER SCHEMA d8 DEFAULT CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 ascii ascii_general_ci NULL def d8 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d8 DEFAULT CHARACTER SET utf8; ALTER SCHEMA d8 DEFAULT CHARACTER SET utf8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 utf8 utf8_general_ci NULL def d8 utf8 utf8_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d8 DEFAULT CHARACTER SET binary; ALTER SCHEMA d8 DEFAULT CHARACTER SET binary;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 binary binary NULL def d8 binary binary NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d8 DEFAULT CHARACTER SET swe7; ALTER SCHEMA d8 DEFAULT CHARACTER SET swe7;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 swe7 swe7_swedish_ci NULL def d8 swe7 swe7_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;
CREATE DATABASE d8; CREATE DATABASE d8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 latin1 latin1_swedish_ci NULL def d8 latin1 latin1_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d8 DEFAULT CHARACTER SET cp1251; ALTER SCHEMA d8 DEFAULT CHARACTER SET cp1251;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d8 cp1251 cp1251_general_ci NULL def d8 cp1251 cp1251_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d8; DROP DATABASE d8;

132
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View File

@ -2,102 +2,114 @@ DROP DATABASE IF EXISTS d11;
CREATE DATABASE d11 DEFAULT CHARACTER SET ascii DEFAULT COLLATE ascii_bin; CREATE DATABASE d11 DEFAULT CHARACTER SET ascii DEFAULT COLLATE ascii_bin;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d11 ascii ascii_bin NULL def d11 ascii ascii_bin NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d11 CHARACTER SET utf8 COLLATE utf8_general_ci; ALTER DATABASE d11 CHARACTER SET utf8 COLLATE utf8_general_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d11 utf8 utf8_general_ci NULL def d11 utf8 utf8_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d11; DROP DATABASE d11;
CREATE DATABASE d11 DEFAULT CHARACTER SET ascii DEFAULT COLLATE ascii_bin; CREATE DATABASE d11 DEFAULT CHARACTER SET ascii DEFAULT COLLATE ascii_bin;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d11 ascii ascii_bin NULL def d11 ascii ascii_bin NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d11 CHARACTER SET latin2 COLLATE latin2_general_ci; ALTER DATABASE d11 CHARACTER SET latin2 COLLATE latin2_general_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d11 latin2 latin2_general_ci NULL def d11 latin2 latin2_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d11; DROP DATABASE d11;
CREATE DATABASE d11 DEFAULT CHARACTER SET ascii DEFAULT COLLATE ascii_bin; CREATE DATABASE d11 DEFAULT CHARACTER SET ascii DEFAULT COLLATE ascii_bin;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d11 ascii ascii_bin NULL def d11 ascii ascii_bin NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d11 CHARACTER SET cp1250 COLLATE cp1250_croatian_ci; ALTER DATABASE d11 CHARACTER SET cp1250 COLLATE cp1250_croatian_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d11 cp1250 cp1250_croatian_ci NULL def d11 cp1250 cp1250_croatian_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d11; DROP DATABASE d11;
CREATE DATABASE d11 DEFAULT CHARACTER SET ascii DEFAULT COLLATE ascii_bin; CREATE DATABASE d11 DEFAULT CHARACTER SET ascii DEFAULT COLLATE ascii_bin;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d11 ascii ascii_bin NULL def d11 ascii ascii_bin NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d11 CHARACTER SET utf8 COLLATE utf8_general_ci; ALTER SCHEMA d11 CHARACTER SET utf8 COLLATE utf8_general_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d11 utf8 utf8_general_ci NULL def d11 utf8 utf8_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d11; DROP DATABASE d11;
CREATE DATABASE d11 DEFAULT CHARACTER SET ascii DEFAULT COLLATE ascii_bin; CREATE DATABASE d11 DEFAULT CHARACTER SET ascii DEFAULT COLLATE ascii_bin;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d11 ascii ascii_bin NULL def d11 ascii ascii_bin NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d11 CHARACTER SET latin2 COLLATE latin2_general_ci; ALTER SCHEMA d11 CHARACTER SET latin2 COLLATE latin2_general_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d11 latin2 latin2_general_ci NULL def d11 latin2 latin2_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d11; DROP DATABASE d11;
CREATE DATABASE d11 DEFAULT CHARACTER SET ascii DEFAULT COLLATE ascii_bin; CREATE DATABASE d11 DEFAULT CHARACTER SET ascii DEFAULT COLLATE ascii_bin;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d11 ascii ascii_bin NULL def d11 ascii ascii_bin NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d11 CHARACTER SET cp1250 COLLATE cp1250_croatian_ci; ALTER SCHEMA d11 CHARACTER SET cp1250 COLLATE cp1250_croatian_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d11 cp1250 cp1250_croatian_ci NULL def d11 cp1250 cp1250_croatian_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d11; DROP DATABASE d11;

244
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View File

@ -76,6 +76,7 @@ utf8_roman_ci utf8 207 # #
utf8_persian_ci utf8 208 # # utf8_persian_ci utf8 208 # #
utf8_esperanto_ci utf8 209 # # utf8_esperanto_ci utf8 209 # #
utf8_hungarian_ci utf8 210 # # utf8_hungarian_ci utf8 210 # #
utf8_sinhala_ci utf8 211 # #
ucs2_general_ci ucs2 35 Yes # # ucs2_general_ci ucs2 35 Yes # #
ucs2_bin ucs2 90 # # ucs2_bin ucs2 90 # #
ucs2_unicode_ci ucs2 128 # # ucs2_unicode_ci ucs2 128 # #
@ -97,6 +98,7 @@ ucs2_roman_ci ucs2 143 # #
ucs2_persian_ci ucs2 144 # # ucs2_persian_ci ucs2 144 # #
ucs2_esperanto_ci ucs2 145 # # ucs2_esperanto_ci ucs2 145 # #
ucs2_hungarian_ci ucs2 146 # # ucs2_hungarian_ci ucs2 146 # #
ucs2_sinhala_ci ucs2 147 # #
cp866_general_ci cp866 36 Yes # # cp866_general_ci cp866 36 Yes # #
cp866_bin cp866 68 # # cp866_bin cp866 68 # #
keybcs2_general_ci keybcs2 37 Yes # # keybcs2_general_ci keybcs2 37 Yes # #
@ -111,16 +113,82 @@ latin7_estonian_cs latin7 20 # #
latin7_general_ci latin7 41 Yes # # latin7_general_ci latin7 41 Yes # #
latin7_general_cs latin7 42 # # latin7_general_cs latin7 42 # #
latin7_bin latin7 79 # # latin7_bin latin7 79 # #
utf8mb4_general_ci utf8mb4 45 Yes # #
utf8mb4_bin utf8mb4 46 # #
utf8mb4_unicode_ci utf8mb4 224 # #
utf8mb4_icelandic_ci utf8mb4 225 # #
utf8mb4_latvian_ci utf8mb4 226 # #
utf8mb4_romanian_ci utf8mb4 227 # #
utf8mb4_slovenian_ci utf8mb4 228 # #
utf8mb4_polish_ci utf8mb4 229 # #
utf8mb4_estonian_ci utf8mb4 230 # #
utf8mb4_spanish_ci utf8mb4 231 # #
utf8mb4_swedish_ci utf8mb4 232 # #
utf8mb4_turkish_ci utf8mb4 233 # #
utf8mb4_czech_ci utf8mb4 234 # #
utf8mb4_danish_ci utf8mb4 235 # #
utf8mb4_lithuanian_ci utf8mb4 236 # #
utf8mb4_slovak_ci utf8mb4 237 # #
utf8mb4_spanish2_ci utf8mb4 238 # #
utf8mb4_roman_ci utf8mb4 239 # #
utf8mb4_persian_ci utf8mb4 240 # #
utf8mb4_esperanto_ci utf8mb4 241 # #
utf8mb4_hungarian_ci utf8mb4 242 # #
utf8mb4_sinhala_ci utf8mb4 243 # #
cp1251_bulgarian_ci cp1251 14 # # cp1251_bulgarian_ci cp1251 14 # #
cp1251_ukrainian_ci cp1251 23 # # cp1251_ukrainian_ci cp1251 23 # #
cp1251_bin cp1251 50 # # cp1251_bin cp1251 50 # #
cp1251_general_ci cp1251 51 Yes # # cp1251_general_ci cp1251 51 Yes # #
cp1251_general_cs cp1251 52 # # cp1251_general_cs cp1251 52 # #
utf16_general_ci utf16 54 Yes # #
utf16_bin utf16 55 # #
utf16_unicode_ci utf16 101 # #
utf16_icelandic_ci utf16 102 # #
utf16_latvian_ci utf16 103 # #
utf16_romanian_ci utf16 104 # #
utf16_slovenian_ci utf16 105 # #
utf16_polish_ci utf16 106 # #
utf16_estonian_ci utf16 107 # #
utf16_spanish_ci utf16 108 # #
utf16_swedish_ci utf16 109 # #
utf16_turkish_ci utf16 110 # #
utf16_czech_ci utf16 111 # #
utf16_danish_ci utf16 112 # #
utf16_lithuanian_ci utf16 113 # #
utf16_slovak_ci utf16 114 # #
utf16_spanish2_ci utf16 115 # #
utf16_roman_ci utf16 116 # #
utf16_persian_ci utf16 117 # #
utf16_esperanto_ci utf16 118 # #
utf16_hungarian_ci utf16 119 # #
utf16_sinhala_ci utf16 120 # #
cp1256_general_ci cp1256 57 Yes # # cp1256_general_ci cp1256 57 Yes # #
cp1256_bin cp1256 67 # # cp1256_bin cp1256 67 # #
cp1257_lithuanian_ci cp1257 29 # # cp1257_lithuanian_ci cp1257 29 # #
cp1257_bin cp1257 58 # # cp1257_bin cp1257 58 # #
cp1257_general_ci cp1257 59 Yes # # cp1257_general_ci cp1257 59 Yes # #
utf32_general_ci utf32 60 Yes # #
utf32_bin utf32 61 # #
utf32_unicode_ci utf32 160 # #
utf32_icelandic_ci utf32 161 # #
utf32_latvian_ci utf32 162 # #
utf32_romanian_ci utf32 163 # #
utf32_slovenian_ci utf32 164 # #
utf32_polish_ci utf32 165 # #
utf32_estonian_ci utf32 166 # #
utf32_spanish_ci utf32 167 # #
utf32_swedish_ci utf32 168 # #
utf32_turkish_ci utf32 169 # #
utf32_czech_ci utf32 170 # #
utf32_danish_ci utf32 171 # #
utf32_lithuanian_ci utf32 172 # #
utf32_slovak_ci utf32 173 # #
utf32_spanish2_ci utf32 174 # #
utf32_roman_ci utf32 175 # #
utf32_persian_ci utf32 176 # #
utf32_esperanto_ci utf32 177 # #
utf32_hungarian_ci utf32 178 # #
utf32_sinhala_ci utf32 179 # #
binary binary 63 Yes # # binary binary 63 Yes # #
geostd8_general_ci geostd8 92 Yes # # geostd8_general_ci geostd8 92 Yes # #
geostd8_bin geostd8 93 # # geostd8_bin geostd8 93 # #
@ -131,136 +199,152 @@ eucjpms_bin eucjpms 98 # #
CREATE DATABASE d9 DEFAULT CHARACTER SET ascii; CREATE DATABASE d9 DEFAULT CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_general_ci NULL def d9 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d9 COLLATE ascii_bin; ALTER DATABASE d9 COLLATE ascii_bin;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_bin NULL def d9 ascii ascii_bin NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d9; DROP DATABASE d9;
CREATE DATABASE d9 DEFAULT CHARACTER SET ascii; CREATE DATABASE d9 DEFAULT CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_general_ci NULL def d9 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d9 DEFAULT COLLATE ascii_bin; ALTER DATABASE d9 DEFAULT COLLATE ascii_bin;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_bin NULL def d9 ascii ascii_bin NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d9; DROP DATABASE d9;
CREATE DATABASE d9 DEFAULT CHARACTER SET ascii; CREATE DATABASE d9 DEFAULT CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_general_ci NULL def d9 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d9 COLLATE ascii_general_ci; ALTER DATABASE d9 COLLATE ascii_general_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_general_ci NULL def d9 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d9; DROP DATABASE d9;
CREATE DATABASE d9 DEFAULT CHARACTER SET ascii; CREATE DATABASE d9 DEFAULT CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_general_ci NULL def d9 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER DATABASE d9 DEFAULT COLLATE ascii_general_ci; ALTER DATABASE d9 DEFAULT COLLATE ascii_general_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_general_ci NULL def d9 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d9; DROP DATABASE d9;
CREATE DATABASE d9 DEFAULT CHARACTER SET ascii; CREATE DATABASE d9 DEFAULT CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_general_ci NULL def d9 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d9 COLLATE ascii_bin; ALTER SCHEMA d9 COLLATE ascii_bin;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_bin NULL def d9 ascii ascii_bin NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d9; DROP DATABASE d9;
CREATE DATABASE d9 DEFAULT CHARACTER SET ascii; CREATE DATABASE d9 DEFAULT CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_general_ci NULL def d9 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d9 DEFAULT COLLATE ascii_bin; ALTER SCHEMA d9 DEFAULT COLLATE ascii_bin;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_bin NULL def d9 ascii ascii_bin NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d9; DROP DATABASE d9;
CREATE DATABASE d9 DEFAULT CHARACTER SET ascii; CREATE DATABASE d9 DEFAULT CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_general_ci NULL def d9 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d9 COLLATE ascii_general_ci; ALTER SCHEMA d9 COLLATE ascii_general_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_general_ci NULL def d9 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d9; DROP DATABASE d9;
CREATE DATABASE d9 DEFAULT CHARACTER SET ascii; CREATE DATABASE d9 DEFAULT CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_general_ci NULL def d9 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
ALTER SCHEMA d9 DEFAULT COLLATE ascii_general_ci; ALTER SCHEMA d9 DEFAULT COLLATE ascii_general_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d9 ascii ascii_general_ci NULL def d9 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d9; DROP DATABASE d9;

1916
mysql-test/suite/engines/funcs/r/db_alter_collate_utf8.result
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110
mysql-test/suite/engines/funcs/r/db_create_character_set.result
View File

@ -2,90 +2,100 @@ DROP DATABASE IF EXISTS d12;
CREATE DATABASE d12 CHARACTER SET ascii; CREATE DATABASE d12 CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d12 ascii ascii_general_ci NULL def d12 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d12; DROP DATABASE d12;
CREATE DATABASE d12 CHARACTER SET utf8; CREATE DATABASE d12 CHARACTER SET utf8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d12 utf8 utf8_general_ci NULL def d12 utf8 utf8_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d12; DROP DATABASE d12;
CREATE DATABASE d12 CHARACTER SET binary; CREATE DATABASE d12 CHARACTER SET binary;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d12 binary binary NULL def d12 binary binary NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d12; DROP DATABASE d12;
CREATE DATABASE d12 CHARACTER SET swe7; CREATE DATABASE d12 CHARACTER SET swe7;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d12 swe7 swe7_swedish_ci NULL def d12 swe7 swe7_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d12; DROP DATABASE d12;
CREATE DATABASE d12 CHARACTER SET cp1251; CREATE DATABASE d12 CHARACTER SET cp1251;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d12 cp1251 cp1251_general_ci NULL def d12 cp1251 cp1251_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d12; DROP DATABASE d12;
CREATE SCHEMA d12 CHARACTER SET ascii; CREATE SCHEMA d12 CHARACTER SET ascii;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d12 ascii ascii_general_ci NULL def d12 ascii ascii_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP SCHEMA d12; DROP SCHEMA d12;
CREATE SCHEMA d12 CHARACTER SET utf8; CREATE SCHEMA d12 CHARACTER SET utf8;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d12 utf8 utf8_general_ci NULL def d12 utf8 utf8_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP SCHEMA d12; DROP SCHEMA d12;
CREATE SCHEMA d12 CHARACTER SET binary; CREATE SCHEMA d12 CHARACTER SET binary;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d12 binary binary NULL def d12 binary binary NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP SCHEMA d12; DROP SCHEMA d12;
CREATE SCHEMA d12 CHARACTER SET swe7; CREATE SCHEMA d12 CHARACTER SET swe7;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d12 swe7 swe7_swedish_ci NULL def d12 swe7 swe7_swedish_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP SCHEMA d12; DROP SCHEMA d12;
CREATE SCHEMA d12 CHARACTER SET cp1251; CREATE SCHEMA d12 CHARACTER SET cp1251;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d12 cp1251 cp1251_general_ci NULL def d12 cp1251 cp1251_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP SCHEMA d12; DROP SCHEMA d12;

66
mysql-test/suite/engines/funcs/r/db_create_character_set_collate.result
View File

@ -2,54 +2,60 @@ DROP DATABASE IF EXISTS d13;
CREATE DATABASE d13 CHARACTER SET utf8 COLLATE utf8_general_ci; CREATE DATABASE d13 CHARACTER SET utf8 COLLATE utf8_general_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d13 utf8 utf8_general_ci NULL def d13 utf8 utf8_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d13; DROP DATABASE d13;
CREATE DATABASE d13 CHARACTER SET latin2 COLLATE latin2_general_ci; CREATE DATABASE d13 CHARACTER SET latin2 COLLATE latin2_general_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d13 latin2 latin2_general_ci NULL def d13 latin2 latin2_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d13; DROP DATABASE d13;
CREATE DATABASE d13 CHARACTER SET cp1250 COLLATE cp1250_croatian_ci; CREATE DATABASE d13 CHARACTER SET cp1250 COLLATE cp1250_croatian_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d13 cp1250 cp1250_croatian_ci NULL def d13 cp1250 cp1250_croatian_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP DATABASE d13; DROP DATABASE d13;
CREATE SCHEMA d13 CHARACTER SET utf8 COLLATE utf8_general_ci; CREATE SCHEMA d13 CHARACTER SET utf8 COLLATE utf8_general_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d13 utf8 utf8_general_ci NULL def d13 utf8 utf8_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP SCHEMA d13; DROP SCHEMA d13;
CREATE SCHEMA d13 CHARACTER SET latin2 COLLATE latin2_general_ci; CREATE SCHEMA d13 CHARACTER SET latin2 COLLATE latin2_general_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d13 latin2 latin2_general_ci NULL def d13 latin2 latin2_general_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP SCHEMA d13; DROP SCHEMA d13;
CREATE SCHEMA d13 CHARACTER SET cp1250 COLLATE cp1250_croatian_ci; CREATE SCHEMA d13 CHARACTER SET cp1250 COLLATE cp1250_croatian_ci;
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
NULL d13 cp1250 cp1250_croatian_ci NULL def d13 cp1250 cp1250_croatian_ci NULL
NULL information_schema utf8 utf8_general_ci NULL def information_schema utf8 utf8_general_ci NULL
NULL mtr latin1 latin1_swedish_ci NULL def mtr latin1 latin1_swedish_ci NULL
NULL mysql latin1 latin1_swedish_ci NULL def mysql latin1 latin1_swedish_ci NULL
NULL test latin1 latin1_swedish_ci NULL def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
DROP SCHEMA d13; DROP SCHEMA d13;

4
mysql-test/suite/engines/funcs/r/db_create_drop.result
View File

@ -6,6 +6,7 @@ information_schema
d1 d1
mtr mtr
mysql mysql
performance_schema
test test
SHOW DATABASES LIKE 'd%'; SHOW DATABASES LIKE 'd%';
Database (d%) Database (d%)
@ -16,6 +17,7 @@ information_schema
d1 d1
mtr mtr
mysql mysql
performance_schema
test test
USE d1; USE d1;
DROP DATABASE d1; DROP DATABASE d1;
@ -26,6 +28,7 @@ information_schema
d1 d1
mtr mtr
mysql mysql
performance_schema
test test
SHOW SCHEMAS LIKE 'd%'; SHOW SCHEMAS LIKE 'd%';
Database (d%) Database (d%)
@ -36,6 +39,7 @@ information_schema
d1 d1
mtr mtr
mysql mysql
performance_schema
test test
USE d1; USE d1;
DROP SCHEMA d1; DROP SCHEMA d1;

2
mysql-test/suite/engines/funcs/r/db_create_error.result
View File

@ -6,6 +6,7 @@ information_schema
d4 d4
mtr mtr
mysql mysql
performance_schema
test test
CREATE DATABASE d4; CREATE DATABASE d4;
ERROR HY000: Can't create database 'd4'; database exists ERROR HY000: Can't create database 'd4'; database exists
@ -15,4 +16,5 @@ Database
information_schema information_schema
mtr mtr
mysql mysql
performance_schema
test test

2
mysql-test/suite/engines/funcs/r/db_create_error_reserved.result
View File

@ -3,6 +3,7 @@ Database
information_schema information_schema
mtr mtr
mysql mysql
performance_schema
test test
CREATE DATABASE mysql; CREATE DATABASE mysql;
ERROR HY000: Can't create database 'mysql'; database exists ERROR HY000: Can't create database 'mysql'; database exists
@ -11,4 +12,5 @@ Database
information_schema information_schema
mtr mtr
mysql mysql
performance_schema
test test

2
mysql-test/suite/engines/funcs/r/db_create_if_not_exists.result
View File

@ -9,6 +9,7 @@ information_schema
d2 d2
mtr mtr
mysql mysql
performance_schema
test test
USE d2; USE d2;
DROP DATABASE d2; DROP DATABASE d2;
@ -25,6 +26,7 @@ information_schema
d2 d2
mtr mtr
mysql mysql
performance_schema
test test
USE d2; USE d2;
DROP SCHEMA d2; DROP SCHEMA d2;

2
mysql-test/suite/engines/funcs/r/db_drop_error.result
View File

@ -6,6 +6,7 @@ information_schema
d5 d5
mtr mtr
mysql mysql
performance_schema
test test
DROP DATABASE nond5; DROP DATABASE nond5;
ERROR HY000: Can't drop database 'nond5'; database doesn't exist ERROR HY000: Can't drop database 'nond5'; database doesn't exist
@ -15,4 +16,5 @@ Database
information_schema information_schema
mtr mtr
mysql mysql
performance_schema
test test

2
mysql-test/suite/engines/funcs/r/db_use_error.result
View File

@ -6,6 +6,7 @@ information_schema
d6 d6
mtr mtr
mysql mysql
performance_schema
test test
USE DATABASE nond6; USE DATABASE nond6;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'DATABASE nond6' at line 1 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'DATABASE nond6' at line 1
@ -15,4 +16,5 @@ Database
information_schema information_schema
mtr mtr
mysql mysql
performance_schema
test test

6
mysql-test/suite/engines/funcs/r/in_multicolumn_string_pk_constraint_error.result
View File

@ -55,12 +55,6 @@ INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc');
ERROR 23000: Duplicate entry 'abc' for key 'PRIMARY'
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def');
ERROR 23000: Duplicate entry 'abc' for key 'PRIMARY'
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
ERROR 23000: Duplicate entry 'abc' for key 'PRIMARY'
SELECT hex(c1),hex(c2),hex(c3) FROM t1; SELECT hex(c1),hex(c2),hex(c3) FROM t1;
hex(c1) hex(c2) hex(c3) hex(c1) hex(c2) hex(c3)
61626300000000000000 61626300000000000000 61626300000000000000 61626300000000000000 61626300000000000000 61626300000000000000

6
mysql-test/suite/engines/funcs/r/in_multicolumn_string_pk_constraint_ignore.result
View File

@ -55,12 +55,6 @@ INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc');
ERROR 23000: Duplicate entry 'abc' for key 'PRIMARY'
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def');
ERROR 23000: Duplicate entry 'abc' for key 'PRIMARY'
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
ERROR 23000: Duplicate entry 'abc' for key 'PRIMARY'
SELECT * FROM t1; SELECT * FROM t1;
c1 c2 c3 c1 c2 c3
abc abc

6
mysql-test/suite/engines/funcs/r/in_multicolumn_string_unique_constraint_error.result
View File

@ -55,12 +55,6 @@ INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc');
ERROR 23000: Duplicate entry 'abc' for key 'c1'
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def');
ERROR 23000: Duplicate entry 'abc' for key 'c1'
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
ERROR 23000: Duplicate entry 'abc' for key 'c1'
SELECT * FROM t1; SELECT * FROM t1;
c1 c2 c3 c1 c2 c3
abc abc

BIN
mysql-test/suite/engines/funcs/r/in_string_pk_constraint_error.result
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BIN
mysql-test/suite/engines/funcs/r/in_string_unique_constraint_error.result
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356
mysql-test/suite/engines/funcs/r/jp_comment_column.result
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483
mysql-test/suite/engines/funcs/r/jp_comment_index.result Normal file
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@ -0,0 +1,483 @@
DROP TABLE IF EXISTS t1;
set names cp932;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ', c2 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, c8 VARCHAR(100), c9 CHAR(50), c10 DATETIME, c11 DATETIME, c12 DATETIME,c13 DATETIME, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
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SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c2` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
CREATE INDEX i4 ON t1(c4) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0
0
0
0
0
0
0
0
0
0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c2` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`),
KEY `i4` (`c4`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
ALTER TABLE t1 ADD INDEX (c6) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
0
0
0
0
0
0
0
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0
0
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
i1 comment 10
0
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c2` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`),
KEY `i4` (`c4`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `c6` (`c6`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
DROP INDEX i1 ON t1;
ALTER TABLE t1 DROP INDEX i2, DROP INDEX i4;
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
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SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c2` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
ALTER TABLE t1 ADD INDEX i8(c8) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ', ADD INDEX i10(c10) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
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SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c2` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i8` (`c8`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i10` (`c10`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
CREATE INDEX i1_3 ON t1(c1,c2,c3) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
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0
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SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c2` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i8` (`c8`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i10` (`c10`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i1_3` (`c1`,`c2`,`c3`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
CREATE INDEX i11 ON t1(c11) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
Warnings:
Warning 1688 Comment for index 'i11' is too long (max = 1024)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
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SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c2` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i8` (`c8`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i10` (`c10`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i1_3` (`c1`,`c2`,`c3`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i11` (`c11`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
ALTER TABLE t1 ADD INDEX (c13) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
Warnings:
Warning 1688 Comment for index 'c13' is too long (max = 1024)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
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SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c2` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i8` (`c8`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i10` (`c10`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i1_3` (`c1`,`c2`,`c3`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i11` (`c11`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `c13` (`c13`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
set sql_mode='TRADITIONAL';
ALTER TABLE t1 ADD INDEX i12 (c12) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
ERROR HY000: Comment for index 'i12' is too long (max = 1024)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
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SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c2` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i8` (`c8`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i10` (`c10`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i1_3` (`c1`,`c2`,`c3`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i11` (`c11`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `c13` (`c13`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
set sql_mode='TRADITIONAL';
CREATE INDEX i12 ON t1(c12) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
ERROR HY000: Comment for index 'i12' is too long (max = 1024)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 300
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SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
comment index_comment char_length(index_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c2` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
`c3` int(11) DEFAULT NULL COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789',
`c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL,
`c8` varchar(100) DEFAULT NULL,
`c9` char(50) DEFAULT NULL,
`c10` datetime DEFAULT NULL,
`c11` datetime DEFAULT NULL,
`c12` datetime DEFAULT NULL,
`c13` datetime DEFAULT NULL,
KEY `c6` (`c6`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i8` (`c8`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i10` (`c10`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i1_3` (`c1`,`c2`,`c3`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `i11` (`c11`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',
KEY `c13` (`c13`) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
DROP TABLE t1;

64
mysql-test/suite/engines/funcs/r/jp_comment_table.result
View File

@ -1,18 +1,15 @@
DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t1;
SET NAMES cp932; SET NAMES cp932;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'あいうえお かきくけこ', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1),INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'あいうえお かきくけこ', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'; ) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
Warnings:
Warning 1629 Comment for field 'c3' is too long (max = 765)
Warning 1628 Comment for table 't1' is too long (max = 180)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ 60 あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 1024
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
あいうえお かきくけこ 11 あいうえお かきくけこ 11
0 0
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお 255 あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ 300
0 0
0 0
0 0
@ -22,28 +19,25 @@ Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'あいうえお かきくけこ', `c1` varchar(10) NOT NULL COMMENT 'あいうえお かきくけこ',
`c2` int(11) DEFAULT NULL, `c2` int(11) DEFAULT NULL,
`c3` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお', `c3` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
drop table t1; drop table t1;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1), INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお'; ) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお';
Warnings:
Warning 1629 Comment for field 'c3' is too long (max = 765)
Warning 1628 Comment for table 't1' is too long (max = 180)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ 60 あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお 1025
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
c1 comment 10 c1 comment 10
0 0
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお 255 あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ 300
0 0
0 0
0 0
@ -53,29 +47,26 @@ Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'c1 comment', `c1` varchar(10) NOT NULL COMMENT 'c1 comment',
`c2` int(11) DEFAULT NULL, `c2` int(11) DEFAULT NULL,
`c3` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお', `c3` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお'
drop table t1; drop table t1;
set sql_mode=''; set sql_mode='';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1), INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'; ) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
Warnings:
Warning 1629 Comment for field 'c3' is too long (max = 765)
Warning 1628 Comment for table 't1' is too long (max = 180)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ 60 あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 2048
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
c1 comment 10 c1 comment 10
0 0
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお 255 あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ 300
0 0
0 0
0 0
@ -85,29 +76,28 @@ Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'c1 comment', `c1` varchar(10) NOT NULL COMMENT 'c1 comment',
`c2` int(11) DEFAULT NULL, `c2` int(11) DEFAULT NULL,
`c3` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお', `c3` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
drop table t1; drop table t1;
set sql_mode=''; set sql_mode='';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1), INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお'; ) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお';
Warnings: Warnings:
Warning 1629 Comment for field 'c3' is too long (max = 765) Warning 1628 Comment for table 't1' is too long (max = 2048)
Warning 1628 Comment for table 't1' is too long (max = 180)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ 60 あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ 2048
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
column_comment char_length(column_comment) column_comment char_length(column_comment)
c1 comment 10 c1 comment 10
0 0
あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお 255 あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ 300
0 0
0 0
0 0
@ -117,19 +107,19 @@ Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`c1` varchar(10) NOT NULL COMMENT 'c1 comment', `c1` varchar(10) NOT NULL COMMENT 'c1 comment',
`c2` int(11) DEFAULT NULL, `c2` int(11) DEFAULT NULL,
`c3` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお', `c3` int(11) DEFAULT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ',
`c4` int(11) DEFAULT NULL, `c4` int(11) DEFAULT NULL,
`c5` int(11) DEFAULT NULL, `c5` int(11) DEFAULT NULL,
`c6` int(11) DEFAULT NULL, `c6` int(11) DEFAULT NULL,
`c7` int(11) DEFAULT NULL, `c7` int(11) DEFAULT NULL,
KEY `i1` (`c1`), KEY `i1` (`c1`) COMMENT 'i1 comment',
KEY `i2` (`c2`) KEY `i2` (`c2`)
) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'
drop table t1; drop table t1;
set sql_mode='TRADITIONAL'; set sql_mode='TRADITIONAL';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1),INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお'; ) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお';
ERROR HY000: Comment for field 'c3' is too long (max = 765) ERROR HY000: Comment for table 't1' is too long (max = 2048)
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
table_comment char_length(table_comment) table_comment char_length(table_comment)
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';

18
mysql-test/suite/engines/funcs/r/rpl_000015.result
View File

@ -7,7 +7,7 @@ start slave;
reset master; reset master;
show master status; show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB File Position Binlog_Do_DB Binlog_Ignore_DB
master-bin.000001 106 master-bin.000001 107
stop slave; stop slave;
reset slave; reset slave;
show slave status; show slave status;
@ -49,6 +49,8 @@ Last_IO_Errno 0
Last_IO_Error Last_IO_Error
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
change master to master_host='127.0.0.1'; change master to master_host='127.0.0.1';
show slave status; show slave status;
Slave_IO_State # Slave_IO_State #
@ -89,6 +91,8 @@ Last_IO_Errno 0
Last_IO_Error Last_IO_Error
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
change master to master_host='127.0.0.1',master_user='root', change master to master_host='127.0.0.1',master_user='root',
master_password='',master_port=MASTER_PORT; master_password='',master_port=MASTER_PORT;
show slave status; show slave status;
@ -130,6 +134,8 @@ Last_IO_Errno 0
Last_IO_Error Last_IO_Error
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
start slave; start slave;
show slave status; show slave status;
Slave_IO_State Waiting for master to send event Slave_IO_State Waiting for master to send event
@ -138,9 +144,9 @@ Master_User root
Master_Port MASTER_PORT Master_Port MASTER_PORT
Connect_Retry 1 Connect_Retry 1
Master_Log_File master-bin.000001 Master_Log_File master-bin.000001
Read_Master_Log_Pos 106 Read_Master_Log_Pos 107
Relay_Log_File slave-relay-bin.000002 Relay_Log_File slave-relay-bin.000002
Relay_Log_Pos 252 Relay_Log_Pos 254
Relay_Master_Log_File master-bin.000001 Relay_Master_Log_File master-bin.000001
Slave_IO_Running Yes Slave_IO_Running Yes
Slave_SQL_Running Yes Slave_SQL_Running Yes
@ -153,8 +159,8 @@ Replicate_Wild_Ignore_Table
Last_Errno 0 Last_Errno 0
Last_Error Last_Error
Skip_Counter 0 Skip_Counter 0
Exec_Master_Log_Pos 106 Exec_Master_Log_Pos 107
Relay_Log_Space 407 Relay_Log_Space 410
Until_Condition None Until_Condition None
Until_Log_File Until_Log_File
Until_Log_Pos 0 Until_Log_Pos 0
@ -170,6 +176,8 @@ Last_IO_Errno 0
Last_IO_Error Last_IO_Error
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
drop table if exists t1; drop table if exists t1;
create table t1 (n int, PRIMARY KEY(n)); create table t1 (n int, PRIMARY KEY(n));
insert into t1 values (10),(45),(90); insert into t1 values (10),(45),(90);

8
mysql-test/suite/engines/funcs/r/rpl_change_master.result
View File

@ -12,12 +12,12 @@ insert into t1 values(1);
insert into t1 values(2); insert into t1 values(2);
stop slave; stop slave;
show slave status; show slave status;
Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Replicate_Ignore_Server_Ids Master_Server_Id
# 127.0.0.1 root MASTER_MYPORT 1 master-bin.000001 # # # master-bin.000001 No No 0 0 191 # None 0 No # No 0 0 # 127.0.0.1 root MASTER_MYPORT 1 master-bin.000001 # # # master-bin.000001 No No 0 0 192 # None 0 No # No 0 0 1
change master to master_user='root'; change master to master_user='root';
show slave status; show slave status;
Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Replicate_Ignore_Server_Ids Master_Server_Id
# 127.0.0.1 root MASTER_MYPORT 1 master-bin.000001 # # # master-bin.000001 No No 0 0 191 # None 0 No # No 0 0 # 127.0.0.1 root MASTER_MYPORT 1 master-bin.000001 # # # master-bin.000001 No No 0 0 192 # None 0 No # No 0 0 1
start slave; start slave;
select * from t1; select * from t1;
n n

4
mysql-test/suite/engines/funcs/r/rpl_create_database.result
View File

@ -28,6 +28,7 @@ mysql
mysqltest_bob mysqltest_bob
mysqltest_prometheus mysqltest_prometheus
mysqltest_sisyfos mysqltest_sisyfos
performance_schema
test test
SHOW DATABASES; SHOW DATABASES;
Database Database
@ -36,6 +37,7 @@ mtr
mysql mysql
mysqltest_prometheus mysqltest_prometheus
mysqltest_sisyfos mysqltest_sisyfos
performance_schema
test test
DROP DATABASE IF EXISTS mysqltest_sisyfos; DROP DATABASE IF EXISTS mysqltest_sisyfos;
USE mysqltest_prometheus; USE mysqltest_prometheus;
@ -52,6 +54,7 @@ mysql
mysqltest_bob mysqltest_bob
mysqltest_prometheus mysqltest_prometheus
mysqltest_sisyfos mysqltest_sisyfos
performance_schema
test test
SHOW DATABASES; SHOW DATABASES;
Database Database
@ -60,6 +63,7 @@ mtr
mysql mysql
mysqltest_prometheus mysqltest_prometheus
mysqltest_sisyfos mysqltest_sisyfos
performance_schema
test test
USE mysqltest_prometheus; USE mysqltest_prometheus;
SHOW TABLES; SHOW TABLES;

6
mysql-test/suite/engines/funcs/r/rpl_flushlog_loop.result
View File

@ -24,7 +24,7 @@ Master_User root
Master_Port SLAVE_PORT Master_Port SLAVE_PORT
Connect_Retry 60 Connect_Retry 60
Master_Log_File slave-bin.000001 Master_Log_File slave-bin.000001
Read_Master_Log_Pos 106 Read_Master_Log_Pos 107
Relay_Log_File # Relay_Log_File #
Relay_Log_Pos # Relay_Log_Pos #
Relay_Master_Log_File slave-bin.000001 Relay_Master_Log_File slave-bin.000001
@ -39,7 +39,7 @@ Replicate_Wild_Ignore_Table
Last_Errno 0 Last_Errno 0
Last_Error Last_Error
Skip_Counter 0 Skip_Counter 0
Exec_Master_Log_Pos 106 Exec_Master_Log_Pos 107
Relay_Log_Space # Relay_Log_Space #
Until_Condition None Until_Condition None
Until_Log_File Until_Log_File
@ -56,4 +56,6 @@ Last_IO_Errno 0
Last_IO_Error Last_IO_Error
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 2
STOP SLAVE; STOP SLAVE;

1
mysql-test/suite/engines/funcs/r/rpl_loaddata_m.result
View File

@ -24,6 +24,7 @@ information_schema
mtr mtr
mysql mysql
mysqltest mysqltest
performance_schema
test test
USE test; USE test;
SHOW TABLES; SHOW TABLES;

2
mysql-test/suite/engines/funcs/r/rpl_loaddata_s.result
View File

@ -10,6 +10,6 @@ load data infile '../../std_data/rpl_loaddata.dat' into table test.t1;
select count(*) from test.t1; select count(*) from test.t1;
count(*) count(*)
2 2
show binlog events from 106; show binlog events from 107;
Log_name Pos Event_type Server_id End_log_pos Info Log_name Pos Event_type Server_id End_log_pos Info
drop table test.t1; drop table test.t1;

28
mysql-test/suite/engines/funcs/r/rpl_log_pos.result
View File

@ -6,37 +6,37 @@ drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave; start slave;
show master status; show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB File Position Binlog_Do_DB Binlog_Ignore_DB
master-bin.000001 106 <Binlog_Ignore_DB> master-bin.000001 107 <Binlog_Ignore_DB>
show slave status; show slave status;
Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Replicate_Ignore_Server_Ids Master_Server_Id
# 127.0.0.1 root MASTER_PORT 1 master-bin.000001 106 # # master-bin.000001 Yes Yes 0 0 106 # None 0 No # No 0 0 # 127.0.0.1 root MASTER_PORT 1 master-bin.000001 107 # # master-bin.000001 Yes Yes 0 0 107 # None 0 No # No 0 0 1
stop slave; stop slave;
change master to master_log_pos=106; change master to master_log_pos=107;
start slave; start slave;
stop slave; stop slave;
change master to master_log_pos=106; change master to master_log_pos=107;
show slave status; show slave status;
Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Replicate_Ignore_Server_Ids Master_Server_Id
# 127.0.0.1 root MASTER_PORT 1 master-bin.000001 106 # # master-bin.000001 No No 0 0 106 # None 0 No # No 0 0 # 127.0.0.1 root MASTER_PORT 1 master-bin.000001 107 # # master-bin.000001 No No 0 0 107 # None 0 No # No 0 0 1
start slave; start slave;
show slave status; show slave status;
Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Replicate_Ignore_Server_Ids Master_Server_Id
# 127.0.0.1 root MASTER_PORT 1 master-bin.000001 106 # # master-bin.000001 Yes Yes 0 0 106 # None 0 No # No 0 0 # 127.0.0.1 root MASTER_PORT 1 master-bin.000001 107 # # master-bin.000001 Yes Yes 0 0 107 # None 0 No # No 0 0 1
stop slave; stop slave;
change master to master_log_pos=177; change master to master_log_pos=178;
start slave; start slave;
show slave status; show slave status;
Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Replicate_Ignore_Server_Ids Master_Server_Id
# 127.0.0.1 root MASTER_PORT 1 master-bin.000001 177 # # master-bin.000001 No Yes 0 0 177 # None 0 No # No 1236 Got fatal error 1236 from master when reading data from binary log: 'Client requested master to start replication from impossible position' 0 # 127.0.0.1 root MASTER_PORT 1 master-bin.000001 178 # # master-bin.000001 No Yes 0 0 178 # None 0 No # No 1236 Got fatal error 1236 from master when reading data from binary log: 'Client requested master to start replication from impossible position' 0 1
show master status; show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB File Position Binlog_Do_DB Binlog_Ignore_DB
master-bin.000001 106 <Binlog_Ignore_DB> master-bin.000001 107 <Binlog_Ignore_DB>
create table if not exists t1 (n int); create table if not exists t1 (n int);
drop table if exists t1; drop table if exists t1;
create table t1 (n int); create table t1 (n int);
insert into t1 values (1),(2),(3); insert into t1 values (1),(2),(3);
stop slave; stop slave;
change master to master_log_pos=206; change master to master_log_pos=207;
start slave; start slave;
select * from t1 ORDER BY n; select * from t1 ORDER BY n;
n n

2
mysql-test/suite/engines/funcs/r/rpl_multi_delete2.result
View File

@ -16,7 +16,7 @@ DELETE alias FROM a alias WHERE alias.i=1;
SELECT * FROM a; SELECT * FROM a;
i i
insert into a values(2),(3); insert into a values(2),(3);
delete a alias FROM a alias where alias.i=2; delete alias FROM a alias where alias.i=2;
select * from a; select * from a;
i i
3 3

9
mysql-test/suite/engines/funcs/r/rpl_rbr_to_sbr.result
View File

@ -4,12 +4,6 @@ reset master;
reset slave; reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave; start slave;
set @saved_binlog_format = @@global.binlog_format;
SET BINLOG_FORMAT=MIXED;
SET GLOBAL BINLOG_FORMAT=MIXED;
SELECT @@GLOBAL.BINLOG_FORMAT, @@SESSION.BINLOG_FORMAT;
@@GLOBAL.BINLOG_FORMAT @@SESSION.BINLOG_FORMAT
MIXED MIXED
**** On Master **** **** On Master ****
CREATE TABLE t1 (a INT, b LONG); CREATE TABLE t1 (a INT, b LONG);
INSERT INTO t1 VALUES (1,1), (2,2); INSERT INTO t1 VALUES (1,1), (2,2);
@ -55,6 +49,7 @@ Last_IO_Errno 0
Last_IO_Error Last_IO_Error
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
SHOW BINLOG EVENTS; SHOW BINLOG EVENTS;
DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t1;
SET GLOBAL BINLOG_FORMAT=@saved_binlog_format;

18
mysql-test/suite/engines/funcs/r/rpl_row_max_relay_size.result
View File

@ -1,6 +1,3 @@
set @saved_binlog_format = @@global.binlog_format;
SET SESSION BINLOG_FORMAT=ROW;
SET GLOBAL BINLOG_FORMAT=ROW;
stop slave; stop slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master; reset master;
@ -20,6 +17,8 @@ reset slave;
set @my_max_binlog_size= @@global.max_binlog_size; set @my_max_binlog_size= @@global.max_binlog_size;
set global max_binlog_size=8192; set global max_binlog_size=8192;
set global max_relay_log_size=8192-1; set global max_relay_log_size=8192-1;
Warnings:
Warning 1292 Truncated incorrect max_relay_log_size value: '8191'
select @@global.max_relay_log_size; select @@global.max_relay_log_size;
@@global.max_relay_log_size @@global.max_relay_log_size
4096 4096
@ -63,6 +62,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
# #
# Test 2 # Test 2
# #
@ -111,6 +112,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
# #
# Test 3: max_relay_log_size = 0 # Test 3: max_relay_log_size = 0
# #
@ -159,6 +162,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
# #
# Test 4: Tests below are mainly to ensure that we have not coded with wrong assumptions # Test 4: Tests below are mainly to ensure that we have not coded with wrong assumptions
# #
@ -204,6 +209,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
# #
# Test 5 # Test 5
# #
@ -250,6 +257,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
# #
# Test 6: one more rotation, to be sure Relay_Log_Space is correctly updated # Test 6: one more rotation, to be sure Relay_Log_Space is correctly updated
# #
@ -294,6 +303,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
flush logs; flush logs;
show master status; show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB File Position Binlog_Do_DB Binlog_Ignore_DB
@ -302,4 +313,3 @@ set global max_binlog_size= @my_max_binlog_size;
# #
# End of 4.1 tests # End of 4.1 tests
# #
SET GLOBAL BINLOG_FORMAT= @saved_binlog_format;

4
mysql-test/suite/engines/funcs/r/rpl_server_id1.result
View File

@ -9,8 +9,8 @@ reset master;
stop slave; stop slave;
change master to master_port=SLAVE_PORT; change master to master_port=SLAVE_PORT;
show slave status; show slave status;
Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Replicate_Ignore_Server_Ids Master_Server_Id
127.0.0.1 root SLAVE_PORT 1 4 slave-relay-bin.000001 4 No No # # 0 0 0 106 None 0 No NULL No 0 0 127.0.0.1 root SLAVE_PORT 1 4 slave-relay-bin.000001 4 No No # # 0 0 0 107 None 0 No NULL No 0 0 1
start slave; start slave;
insert into t1 values (1); insert into t1 values (1);
show status like "slave_running"; show status like "slave_running";

4
mysql-test/suite/engines/funcs/r/rpl_server_id2.result
View File

@ -9,8 +9,8 @@ reset master;
stop slave; stop slave;
change master to master_port=SLAVE_PORT; change master to master_port=SLAVE_PORT;
show slave status; show slave status;
Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Slave_IO_State Master_Host Master_User Master_Port Connect_Retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno Last_Error Skip_Counter Exec_Master_Log_Pos Relay_Log_Space Until_Condition Until_Log_File Until_Log_Pos Master_SSL_Allowed Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master Master_SSL_Verify_Server_Cert Last_IO_Errno Last_IO_Error Last_SQL_Errno Last_SQL_Error Replicate_Ignore_Server_Ids Master_Server_Id
127.0.0.1 root SLAVE_PORT 1 4 slave-relay-bin.000001 4 No No # 0 0 0 106 None 0 No NULL No 0 0 127.0.0.1 root SLAVE_PORT 1 4 slave-relay-bin.000001 4 No No # 0 0 0 107 None 0 No NULL No 0 0 1
start slave; start slave;
insert into t1 values (1); insert into t1 values (1);
select * from t1; select * from t1;

4
mysql-test/suite/engines/funcs/r/rpl_slave_status.result
View File

@ -29,7 +29,7 @@ Read_Master_Log_Pos #
Relay_Log_File # Relay_Log_File #
Relay_Log_Pos # Relay_Log_Pos #
Relay_Master_Log_File master-bin.000001 Relay_Master_Log_File master-bin.000001
Slave_IO_Running No Slave_IO_Running Connecting
Slave_SQL_Running Yes Slave_SQL_Running Yes
Replicate_Do_DB Replicate_Do_DB
Replicate_Ignore_DB Replicate_Ignore_DB
@ -57,5 +57,7 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
drop table t1; drop table t1;
drop table t1; drop table t1;

3
mysql-test/suite/engines/funcs/r/rpl_sp.result
View File

@ -174,9 +174,6 @@ begin
return unix_timestamp(); return unix_timestamp();
end| end|
ERROR HY000: You do not have the SUPER privilege and binary logging is enabled (you *might* want to use the less safe log_bin_trust_function_creators variable) ERROR HY000: You do not have the SUPER privilege and binary logging is enabled (you *might* want to use the less safe log_bin_trust_function_creators variable)
set global log_bin_trust_routine_creators=1;
Warnings:
Warning 1287 The syntax '@@log_bin_trust_routine_creators' is deprecated and will be removed in MySQL 5.6. Please use '@@log_bin_trust_function_creators' instead
set global log_bin_trust_function_creators=0; set global log_bin_trust_function_creators=0;
set global log_bin_trust_function_creators=1; set global log_bin_trust_function_creators=1;
set global log_bin_trust_function_creators=1; set global log_bin_trust_function_creators=1;

14
mysql-test/suite/engines/funcs/r/rpl_stm_max_relay_size.result
View File

@ -17,6 +17,8 @@ reset slave;
set @my_max_binlog_size= @@global.max_binlog_size; set @my_max_binlog_size= @@global.max_binlog_size;
set global max_binlog_size=8192; set global max_binlog_size=8192;
set global max_relay_log_size=8192-1; set global max_relay_log_size=8192-1;
Warnings:
Warning 1292 Truncated incorrect max_relay_log_size value: '8191'
select @@global.max_relay_log_size; select @@global.max_relay_log_size;
@@global.max_relay_log_size @@global.max_relay_log_size
4096 4096
@ -60,6 +62,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
# #
# Test 2 # Test 2
# #
@ -108,6 +112,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
# #
# Test 3: max_relay_log_size = 0 # Test 3: max_relay_log_size = 0
# #
@ -156,6 +162,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
# #
# Test 4: Tests below are mainly to ensure that we have not coded with wrong assumptions # Test 4: Tests below are mainly to ensure that we have not coded with wrong assumptions
# #
@ -201,6 +209,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
# #
# Test 5 # Test 5
# #
@ -247,6 +257,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
# #
# Test 6: one more rotation, to be sure Relay_Log_Space is correctly updated # Test 6: one more rotation, to be sure Relay_Log_Space is correctly updated
# #
@ -291,6 +303,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
flush logs; flush logs;
show master status; show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB File Position Binlog_Do_DB Binlog_Ignore_DB

11
mysql-test/suite/engines/funcs/r/rpl_stm_reset_slave.result
View File

@ -43,6 +43,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
stop slave; stop slave;
change master to master_user='test'; change master to master_user='test';
SHOW SLAVE STATUS; SHOW SLAVE STATUS;
@ -84,11 +86,13 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
reset slave; reset slave;
SHOW SLAVE STATUS; SHOW SLAVE STATUS;
Slave_IO_State # Slave_IO_State #
Master_Host 127.0.0.1 Master_Host 127.0.0.1
Master_User root Master_User test
Master_Port MASTER_PORT Master_Port MASTER_PORT
Connect_Retry 1 Connect_Retry 1
Master_Log_File Master_Log_File
@ -124,6 +128,9 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
change master to master_user='root';
start slave; start slave;
SHOW SLAVE STATUS; SHOW SLAVE STATUS;
Slave_IO_State # Slave_IO_State #
@ -164,6 +171,8 @@ Last_IO_Errno #
Last_IO_Error # Last_IO_Error #
Last_SQL_Errno 0 Last_SQL_Errno 0
Last_SQL_Error Last_SQL_Error
Replicate_Ignore_Server_Ids
Master_Server_Id 1
stop slave; stop slave;
reset slave; reset slave;
start slave; start slave;

4
mysql-test/suite/engines/funcs/r/rpl_switch_stm_row_mixed.result
View File

@ -75,7 +75,7 @@ STATEMENT STATEMENT
set global binlog_format=default; set global binlog_format=default;
select @@global.binlog_format, @@session.binlog_format; select @@global.binlog_format, @@session.binlog_format;
@@global.binlog_format @@session.binlog_format @@global.binlog_format @@session.binlog_format
MIXED STATEMENT STATEMENT STATEMENT
prepare stmt1 from 'insert into t1 select ?'; prepare stmt1 from 'insert into t1 select ?';
set @string="emergency_12_"; set @string="emergency_12_";
insert into t1 values("work_13_"); insert into t1 values("work_13_");
@ -90,7 +90,7 @@ insert into t1 select "yesterday_16_";
set binlog_format=mixed; set binlog_format=mixed;
select @@global.binlog_format, @@session.binlog_format; select @@global.binlog_format, @@session.binlog_format;
@@global.binlog_format @@session.binlog_format @@global.binlog_format @@session.binlog_format
MIXED MIXED STATEMENT MIXED
set global binlog_format=mixed; set global binlog_format=mixed;
select @@global.binlog_format, @@session.binlog_format; select @@global.binlog_format, @@session.binlog_format;
@@global.binlog_format @@session.binlog_format @@global.binlog_format @@session.binlog_format

4
mysql-test/suite/engines/funcs/r/rpl_temporary.result
View File

@ -8,12 +8,12 @@ reset master;
CREATE USER ''@localhost; CREATE USER ''@localhost;
SET @save_select_limit=@@session.sql_select_limit; SET @save_select_limit=@@session.sql_select_limit;
SET @@session.sql_select_limit=10, @@session.pseudo_thread_id=100; SET @@session.sql_select_limit=10, @@session.pseudo_thread_id=100;
ERROR 42000: Access denied; you need the SUPER privilege for this operation ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
SELECT @@session.sql_select_limit = @save_select_limit; SELECT @@session.sql_select_limit = @save_select_limit;
@@session.sql_select_limit = @save_select_limit @@session.sql_select_limit = @save_select_limit
1 1
SET @@session.sql_select_limit=10, @@session.sql_log_bin=0; SET @@session.sql_select_limit=10, @@session.sql_log_bin=0;
ERROR 42000: Access denied; you need the SUPER privilege for this operation ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
SELECT @@session.sql_select_limit = @save_select_limit; SELECT @@session.sql_select_limit = @save_select_limit;
@@session.sql_select_limit = @save_select_limit @@session.sql_select_limit = @save_select_limit
1 1

2
mysql-test/suite/engines/funcs/r/rpl_trigger.result
View File

@ -898,8 +898,6 @@ s
@ @
root@localhost root@localhost
DROP TRIGGER trg1; DROP TRIGGER trg1;
Warnings:
Warning 1454 No definer attribute for trigger 'test'.'trg1'. The trigger will be activated under the authorization of the invoker, which may have insufficient privileges. Please recreate the trigger.
DROP TABLE t1; DROP TABLE t1;
DROP TABLE t2; DROP TABLE t2;
STOP SLAVE; STOP SLAVE;

2
mysql-test/suite/engines/funcs/r/rpl_variables.result
View File

@ -5,6 +5,7 @@ reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave; start slave;
set @my_slave_net_timeout =@@global.slave_net_timeout; set @my_slave_net_timeout =@@global.slave_net_timeout;
set @my_sql_slave_skip_counter =@@global.sql_slave_skip_counter;
set global slave_net_timeout=100; set global slave_net_timeout=100;
set global sql_slave_skip_counter=100; set global sql_slave_skip_counter=100;
show variables like 'slave_compressed_protocol'; show variables like 'slave_compressed_protocol';
@ -17,3 +18,4 @@ show variables like 'slave_skip_errors';
Variable_name Value Variable_name Value
slave_skip_errors 3,100,137,643,1752 slave_skip_errors 3,100,137,643,1752
set global slave_net_timeout=@my_slave_net_timeout; set global slave_net_timeout=@my_slave_net_timeout;
set global sql_slave_skip_counter=@my_sql_slave_skip_counter;

30
mysql-test/suite/engines/funcs/t/comment_column.test
View File

@ -1,11 +1,11 @@
--disable_warnings --disable_warnings
DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t1;
--enable_warnings --enable_warnings
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1),INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" --replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
@ -13,7 +13,7 @@ SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD COLUMN c8 INTEGER COMMENT 'ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ALTER TABLE t1 ADD COLUMN c8 INTEGER COMMENT 'ABCdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" --replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
@ -22,7 +22,7 @@ SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD COLUMN c9 INTEGER COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ALTER TABLE t1 ADD COLUMN c9 INTEGER COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" --replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
@ -31,7 +31,7 @@ SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD COLUMN c10 INTEGER COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ALTER TABLE t1 ADD COLUMN c10 INTEGER COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" --replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
@ -40,14 +40,14 @@ SHOW CREATE TABLE t1;
ALTER TABLE t1 MODIFY COLUMN c8 CHAR(10); ALTER TABLE t1 MODIFY COLUMN c8 CHAR(10);
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" --replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
ALTER TABLE t1 CHANGE COLUMN c9 c9_1 INTEGER COMMENT '1234567890'; ALTER TABLE t1 CHANGE COLUMN c9 c9_1 INTEGER COMMENT '1234567890';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" --replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
@ -55,7 +55,7 @@ SHOW CREATE TABLE t1;
ALTER TABLE t1 DROP COLUMN c1; ALTER TABLE t1 DROP COLUMN c1;
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" --replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
@ -65,7 +65,7 @@ SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD COLUMN c11 INTEGER COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ALTER TABLE t1 ADD COLUMN c11 INTEGER COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" --replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
@ -76,7 +76,7 @@ set sql_mode='TRADITIONAL';
ALTER TABLE t1 ADD COLUMN c12 INTEGER COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ALTER TABLE t1 ADD COLUMN c12 INTEGER COMMENT 'ABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdABCDEfghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" --replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
@ -85,7 +85,7 @@ set sql_mode='';
ALTER TABLE t1 ADD COLUMN c12 CHAR(100) COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ALTER TABLE t1 ADD COLUMN c12 CHAR(100) COMMENT 'ABCDefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" --replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
@ -93,11 +93,11 @@ SHOW CREATE TABLE t1;
# comment overflow(warning) # comment overflow(warning)
drop table t1; drop table t1;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdaBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdaBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" --replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
@ -106,11 +106,11 @@ SHOW CREATE TABLE t1;
DROP TABLE t1; DROP TABLE t1;
set sql_mode='TRADITIONAL'; set sql_mode='TRADITIONAL';
--error ER_TOO_LONG_FIELD_COMMENT --error ER_TOO_LONG_FIELD_COMMENT
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdaBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdaBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';

16
mysql-test/suite/engines/funcs/t/comment_column2.test
View File

@ -55,12 +55,12 @@ c49 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghi
c50 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'); c50 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij');
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
ALTER TABLE t1 ADD COLUMN c51 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij',ADD COLUMN c52 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c51 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij',ADD COLUMN c52 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
ALTER TABLE t1 ADD COLUMN c53 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c53 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
@ -85,19 +85,19 @@ ALTER TABLE t1 ADD COLUMN c62 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabc
ALTER TABLE t1 ADD COLUMN c63 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c63 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
#--error 1117 --error 1117
ALTER TABLE t1 ADD COLUMN c64 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij'; ALTER TABLE t1 ADD COLUMN c64 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
drop table t1; drop table t1;
#--error 1117 --error 1117
create table t1 ( create table t1 (
c1 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij', c1 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij',
c2 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij', c2 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij',
@ -167,6 +167,6 @@ c65 INTEGER COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghi
; ;
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1'; SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
drop table t1;

100
mysql-test/suite/engines/funcs/t/comment_index.test Normal file
View File

@ -0,0 +1,100 @@
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'Abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', c2 INTEGER COMMENT 'aBcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, c8 VARCHAR(100), c9 CHAR(50), c10 DATETIME, c11 DATETIME, c12 DATETIME,c13 DATETIME, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='ABCDEFGHIJabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1;
CREATE INDEX i4 ON t1(c4) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD INDEX (c6) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1;
DROP INDEX i1 ON t1;
ALTER TABLE t1 DROP INDEX i2, DROP INDEX i4;
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD INDEX i8(c8) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd', ADD INDEX i10(c10) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1;
# multicolumn index
CREATE INDEX i1_3 ON t1(c1,c2,c3) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1;
# comment overflow(warning)
CREATE INDEX i11 ON t1(c11) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD INDEX (c13) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1;
# comment overflow(error)
set sql_mode='TRADITIONAL';
--error ER_TOO_LONG_INDEX_COMMENT
ALTER TABLE t1 ADD INDEX i12 (c12) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1;
set sql_mode='TRADITIONAL';
--error ER_TOO_LONG_INDEX_COMMENT
CREATE INDEX i12 ON t1(c12) COMMENT 'abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE t1;
DROP TABLE t1;

34
mysql-test/suite/engines/funcs/t/comment_table.test
View File

@ -2,7 +2,7 @@
DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t1;
--enable_warnings --enable_warnings
#1024 bytes #1024 bytes
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
@ -12,7 +12,7 @@ SHOW CREATE TABLE t1;
drop table t1; drop table t1;
#1025 bytes #1025 bytes
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde'; ) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
@ -21,37 +21,35 @@ let $ENGINE=`select variable_value from information_schema.global_variables wher
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
drop table t1; drop table t1;
set sql_mode='TRADITIONAL'; set sql_mode='TRADITIONAL';
--error ER_TOO_LONG_FIELD_COMMENT create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde'; ) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde';
#SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
#SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#drop table t1; drop table t1;
#2048 bytes #2048 bytes
--error ER_TOO_LONG_FIELD_COMMENT create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd'; ) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcd';
#SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
#SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
#let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
#--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" --replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" ""
#SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
#drop table t1; drop table t1;
#2049 bytes(warning) #2049 bytes(warning)
SET SQL_MODE=''; SET SQL_MODE='';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde'; ) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
drop table t1; drop table t1;
SET SQL_MODE='TRADITIONAL'; SET SQL_MODE='TRADITIONAL';
--error ER_TOO_LONG_FIELD_COMMENT --error ER_TOO_LONG_TABLE_COMMENT
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) ,INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde'; ) COMMENT='abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcde';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';

3
mysql-test/suite/engines/funcs/t/disabled.def
View File

@ -4,4 +4,5 @@ rpl_redirect : Fails due to bug#49978
crash_manycolumns_string : Bug#50495 'Row size too large' for plugin, but works for built-in innodb crash_manycolumns_string : Bug#50495 'Row size too large' for plugin, but works for built-in innodb
ix_unique_lob : Bug#52283 Innodb reports extra warnings when SELECT/WHERE is performed using invalid value ix_unique_lob : Bug#52283 Innodb reports extra warnings when SELECT/WHERE is performed using invalid value
ix_unique_string_length : Bug#52283 Innodb reports extra warnings when SELECT/WHERE is performed using invalid value ix_unique_string_length : Bug#52283 Innodb reports extra warnings when SELECT/WHERE is performed using invalid value
rpl_empty_master_crash : Test not applicable in 5.5+
rpl_REDIRECT : Test not applicable in 5.5+

14
mysql-test/suite/engines/funcs/t/in_multicolumn_string_pk_constraint_error.test
View File

@ -43,12 +43,14 @@ INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
--error ER_DUP_ENTRY # Bug#52430 : Uncomment the following lines
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); # when the bug is fixed
--error ER_DUP_ENTRY #--error ER_DUP_ENTRY
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def'); #INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc');
--error ER_DUP_ENTRY #--error ER_DUP_ENTRY
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); #INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def');
#--error ER_DUP_ENTRY
#INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
--sorted_result --sorted_result
SELECT hex(c1),hex(c2),hex(c3) FROM t1; SELECT hex(c1),hex(c2),hex(c3) FROM t1;
DROP TABLE t1; DROP TABLE t1;

14
mysql-test/suite/engines/funcs/t/in_multicolumn_string_pk_constraint_ignore.test
View File

@ -43,12 +43,14 @@ INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
--error ER_DUP_ENTRY # Bug#52430 : Uncomment the following lines
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); # when the bug is fixed
--error ER_DUP_ENTRY #--error ER_DUP_ENTRY
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def'); #INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc');
--error ER_DUP_ENTRY #--error ER_DUP_ENTRY
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); #INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def');
#--error ER_DUP_ENTRY
#INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
--sorted_result --sorted_result
SELECT * FROM t1; SELECT * FROM t1;
DROP TABLE t1; DROP TABLE t1;

14
mysql-test/suite/engines/funcs/t/in_multicolumn_string_unique_constraint_error.test
View File

@ -43,12 +43,14 @@ INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
--error ER_DUP_ENTRY # Bug#52430 : Uncomment the following lines
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); # when the bug is fixed
--error ER_DUP_ENTRY #--error ER_DUP_ENTRY
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def'); #INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc');
--error ER_DUP_ENTRY #--error ER_DUP_ENTRY
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); #INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def');
#--error ER_DUP_ENTRY
#INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
--sorted_result --sorted_result
SELECT * FROM t1; SELECT * FROM t1;
DROP TABLE t1; DROP TABLE t1;

6
mysql-test/suite/engines/funcs/t/in_string_pk_constraint_error.test
View File

@ -18,8 +18,10 @@ DROP TABLE t1;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY); CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t1 (c1) VALUES('abc'); INSERT INTO t1 (c1) VALUES('abc');
INSERT INTO t1 (c1) VALUES('def'); INSERT INTO t1 (c1) VALUES('def');
--error ER_DUP_ENTRY # Bug#52430 : Uncomment the following lines
INSERT INTO t1 (c1) VALUES('abc'); # when the bug is fixed
#--error ER_DUP_ENTRY
#INSERT INTO t1 (c1) VALUES('abc');
SELECT * FROM t1; SELECT * FROM t1;
DROP TABLE t1; DROP TABLE t1;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY); CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);

6
mysql-test/suite/engines/funcs/t/in_string_unique_constraint_error.test
View File

@ -18,8 +18,10 @@ DROP TABLE t1;
CREATE TABLE t1(c1 BINARY(10) NULL UNIQUE); CREATE TABLE t1(c1 BINARY(10) NULL UNIQUE);
INSERT INTO t1 (c1) VALUES('abc'); INSERT INTO t1 (c1) VALUES('abc');
INSERT INTO t1 (c1) VALUES('def'); INSERT INTO t1 (c1) VALUES('def');
--error ER_DUP_ENTRY # Bug#52430 : Uncomment the following lines
INSERT INTO t1 (c1) VALUES('abc'); # when the bug is fixed
#--error ER_DUP_ENTRY
#INSERT INTO t1 (c1) VALUES('abc');
SELECT * FROM t1; SELECT * FROM t1;
DROP TABLE t1; DROP TABLE t1;
CREATE TABLE t1(c1 VARBINARY(10) NULL UNIQUE); CREATE TABLE t1(c1 VARBINARY(10) NULL UNIQUE);

30
mysql-test/suite/engines/funcs/t/jp_comment_column.test
View File

File diff suppressed because one or more lines are too long

102
mysql-test/suite/engines/funcs/t/jp_comment_index.test Normal file
View File

@ -0,0 +1,102 @@
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
set names cp932;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ', c2 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, c8 VARCHAR(100), c9 CHAR(50), c10 DATETIME, c11 DATETIME, c12 DATETIME,c13 DATETIME, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE
SHOW CREATE TABLE t1;
CREATE INDEX i4 ON t1(c4) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE
SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD INDEX (c6) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE
SHOW CREATE TABLE t1;
DROP INDEX i1 ON t1;
ALTER TABLE t1 DROP INDEX i2, DROP INDEX i4;
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE
SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD INDEX i8(c8) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ', ADD INDEX i10(c10) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE
SHOW CREATE TABLE t1;
# multicolumn index
CREATE INDEX i1_3 ON t1(c1,c2,c3) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE
SHOW CREATE TABLE t1;
# comment overflow(warning)
CREATE INDEX i11 ON t1(c11) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE
SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD INDEX (c13) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE
SHOW CREATE TABLE t1;
# comment overflow(error)
set sql_mode='TRADITIONAL';
--error ER_TOO_LONG_INDEX_COMMENT
ALTER TABLE t1 ADD INDEX i12 (c12) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE
SHOW CREATE TABLE t1;
set sql_mode='TRADITIONAL';
--error ER_TOO_LONG_INDEX_COMMENT
CREATE INDEX i12 ON t1(c12) COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE
SHOW CREATE TABLE t1;
DROP TABLE t1;

12
mysql-test/suite/engines/funcs/t/jp_comment_table.test
View File

@ -2,7 +2,7 @@
DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t1;
--enable_warnings --enable_warnings
SET NAMES cp932; SET NAMES cp932;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'あいうえお かきくけこ', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1),INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'あいうえお かきくけこ', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'; ) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
@ -10,7 +10,7 @@ let $ENGINE=`select variable_value from information_schema.global_variables wher
--replace_result $ENGINE ENGINE --replace_result $ENGINE ENGINE
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
drop table t1; drop table t1;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1), INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお'; ) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
@ -21,7 +21,7 @@ drop table t1;
set sql_mode=''; set sql_mode='';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1), INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ'; ) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえ';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
@ -32,7 +32,7 @@ drop table t1;
#warning #warning
set sql_mode=''; set sql_mode='';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1), INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお'; ) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
@ -42,8 +42,8 @@ SHOW CREATE TABLE t1;
drop table t1; drop table t1;
set sql_mode='TRADITIONAL'; set sql_mode='TRADITIONAL';
--error ER_TOO_LONG_FIELD_COMMENT --error ER_TOO_LONG_TABLE_COMMENT
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1),INDEX i2(c2) create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT 'あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこ', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2)
) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお'; ) COMMENT='あいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえおかきくけこあいうえお';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1'; SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1'; SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';

4
mysql-test/suite/engines/funcs/t/rpl_err_ignoredtable.test
View File

@ -7,6 +7,10 @@
-- source include/master-slave.inc -- source include/master-slave.inc
--disable_query_log
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT");
--enable_query_log
connection master; connection master;
create table t1 (a int primary key); create table t1 (a int primary key);
create table t4 (a int primary key); create table t4 (a int primary key);

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