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Commit after merge from 5.1-bugteam

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This commit is contained in:
Staale Smedseng 2009-02-27 18:03:32 +02:00
commit d61f114f7f
17 changed files with 375 additions and 99 deletions
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2
.bzrignore
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@ -1295,6 +1295,8 @@ mysql-test/linux_sys_vars.inc
mysql-test/load_sysvars.inc
mysql-test/mtr
mysql-test/mysql-test-run
mysql-test/mysql-test-gcov.err
mysql-test/mysql-test-gcov.msg
mysql-test/mysql-test-run-shell
mysql-test/mysql-test-run.log
mysql-test/mysql_test_run_new

58
mysql-test/lib/mtr_gcov.pl
View File

@ -22,40 +22,46 @@ use strict;
sub gcov_prepare ($) {
my ($dir)= @_;
print "Purging gcov information from '$dir'...\n";
`find $dir -name \*.gcov \
-or -name \*.da | xargs rm`;
system("find $dir -name \*.gcov -o -name \*.da"
. " -o -name \*.gcda | grep -v 'README.gcov\$' | xargs rm");
}
my @mysqld_src_dirs=
(
"strings",
"mysys",
"include",
"extra",
"regex",
"isam",
"merge",
"myisam",
"myisammrg",
"heap",
"sql",
);
#
# Collect gcov statistics.
# Arguments:
# $dir basedir, normally source directory
# $gcov gcov utility program [path] name
# $gcov_msg message file name
# $gcov_err error file name
#
sub gcov_collect ($$$) {
my ($dir, $gcov, $gcov_msg, $gcov_err)= @_;
# Get current directory to return to later.
my $start_dir= cwd();
print "Collecting source coverage info...\n";
-f $gcov_msg and unlink($gcov_msg);
-f $gcov_err and unlink($gcov_err);
foreach my $d ( @mysqld_src_dirs )
{
chdir("$dir/$d");
foreach my $f ( (glob("*.h"), glob("*.cc"), glob("*.c")) )
{
`$gcov $f 2>>$gcov_err >>$gcov_msg`;
print "Collecting source coverage info using '$gcov'...\n";
-f "$start_dir/$gcov_msg" and unlink("$start_dir/$gcov_msg");
-f "$start_dir/$gcov_err" and unlink("$start_dir/$gcov_err");
my @dirs= `find "$dir" -type d -print | sort`;
#print "List of directories:\n@dirs\n";
foreach my $d ( @dirs ) {
my $dir_reported= 0;
chomp($d);
chdir($d) or next;
foreach my $f ( (glob("*.h"), glob("*.cc"), glob("*.c")) ) {
$f =~ /(.*)\.[ch]c?/;
-f "$1.gcno" or next;
if (!$dir_reported) {
print "Collecting in '$d'...\n";
$dir_reported= 1;
}
system("$gcov $f 2>>$start_dir/$gcov_err >>$start_dir/$gcov_msg");
}
chdir($start_dir);
}

9
mysql-test/mysql-test-run.pl
View File

@ -163,8 +163,9 @@ our $opt_force;
our $opt_mem= $ENV{'MTR_MEM'};
our $opt_gcov;
our $opt_gcov_err;
our $opt_gcov_msg;
our $opt_gcov_exe= "gcov";
our $opt_gcov_err= "mysql-test-gcov.msg";
our $opt_gcov_msg= "mysql-test-gcov.err";
our $glob_debugger= 0;
our $opt_gdb;
@ -396,7 +397,7 @@ sub main {
mtr_print_line();
if ( $opt_gcov ) {
gcov_collect($basedir, $opt_gcov,
gcov_collect($basedir, $opt_gcov_exe,
$opt_gcov_msg, $opt_gcov_err);
}
@ -5057,6 +5058,8 @@ Misc options
to turn off.
sleep=SECONDS Passed to mysqltest, will be used as fixed sleep time
gcov Collect coverage information after the test.
The result is a gcov file per source and header file.
HERE
exit(1);

12
mysql-test/r/group_by.result
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@ -1691,3 +1691,15 @@ FROM t1;
ERROR 21000: Subquery returns more than 1 row
DROP TABLE t1;
SET @@sql_mode = @old_sql_mode;
SET @old_sql_mode = @@sql_mode;
SET @@sql_mode='ONLY_FULL_GROUP_BY';
CREATE TABLE t1(i INT);
INSERT INTO t1 VALUES (1), (10);
SELECT COUNT(i) FROM t1;
COUNT(i)
2
SELECT COUNT(i) FROM t1 WHERE i > 1;
COUNT(i)
1
DROP TABLE t1;
SET @@sql_mode = @old_sql_mode;

15
mysql-test/r/group_min_max.result
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@ -2448,3 +2448,18 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings:
Note 1003 select sql_buffer_result `test`.`t1`.`a` AS `a`,(max(`test`.`t1`.`b`) + 1) AS `max(b)+1` from `test`.`t1` where (`test`.`t1`.`a` = 0) group by `test`.`t1`.`a`
drop table t1;
CREATE TABLE t1 (a int, b int, c int, d int,
KEY foo (c,d,a,b), KEY bar (c,a,b,d));
INSERT INTO t1 VALUES (1, 1, 1, 1), (1, 1, 1, 2), (1, 1, 1, 3), (1, 1, 1, 4);
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT a,b,c+1,d FROM t1;
EXPLAIN SELECT DISTINCT c FROM t1 WHERE d=4;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL foo 10 NULL 9 Using where; Using index for group-by
SELECT DISTINCT c FROM t1 WHERE d=4;
c
1
2
DROP TABLE t1;
End of 5.0 tests

80
mysql-test/r/variables.result
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@ -299,59 +299,107 @@ set @@rand_seed1=10000000,@@rand_seed2=1000000;
select ROUND(RAND(),5);
ROUND(RAND(),5)
0.02887
show variables like '%alloc%';
==+ Testing %alloc% system variables +==
==+ NOTE: These values *must* be a multiple of 1024 +==
==+ Other values will be rounded down to nearest multiple +==
==+ Show initial values +==
SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size');
Variable_name Value
query_alloc_block_size 8192
query_prealloc_size 8192
range_alloc_block_size 4096
transaction_alloc_block_size 8192
transaction_prealloc_size 4096
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
==+ information_schema data +==
SELECT * FROM information_schema.session_variables
WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size') ORDER BY 1;
VARIABLE_NAME VARIABLE_VALUE
QUERY_ALLOC_BLOCK_SIZE 8192
QUERY_PREALLOC_SIZE 8192
RANGE_ALLOC_BLOCK_SIZE 4096
TRANSACTION_ALLOC_BLOCK_SIZE 8192
TRANSACTION_PREALLOC_SIZE 4096
set @@range_alloc_block_size=1024*16;
Testing values that are multiples of 1024
set @@range_alloc_block_size=1024*15+1024;
set @@query_alloc_block_size=1024*15+1024*2;
set @@query_prealloc_size=1024*18-1024;
set @@transaction_alloc_block_size=1024*21-1024*1;
set @@transaction_prealloc_size=1024*21-2048;
==+ Check manipulated values ==+
select @@query_alloc_block_size;
@@query_alloc_block_size
17408
SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size');
Variable_name Value
query_alloc_block_size 17408
query_prealloc_size 17408
range_alloc_block_size 16384
transaction_alloc_block_size 20480
transaction_prealloc_size 19456
==+ information_schema data +==
SELECT * FROM information_schema.session_variables
WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size') ORDER BY 1;
VARIABLE_NAME VARIABLE_VALUE
QUERY_ALLOC_BLOCK_SIZE 17408
QUERY_PREALLOC_SIZE 17408
RANGE_ALLOC_BLOCK_SIZE 16384
TRANSACTION_ALLOC_BLOCK_SIZE 20480
TRANSACTION_PREALLOC_SIZE 19456
==+ Manipulate variable values +==
Testing values that are not 1024 multiples
set @@range_alloc_block_size=1024*16+1023;
set @@query_alloc_block_size=1024*17+2;
set @@query_prealloc_size=1024*18;
set @@query_prealloc_size=1024*18-1023;
set @@transaction_alloc_block_size=1024*20-1;
set @@transaction_prealloc_size=1024*21-1;
select @@query_alloc_block_size;
@@query_alloc_block_size
17408
show variables like '%alloc%';
==+ Check manipulated values ==+
SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size');
Variable_name Value
query_alloc_block_size 17408
query_prealloc_size 18432
query_prealloc_size 17408
range_alloc_block_size 16384
transaction_alloc_block_size 19456
transaction_prealloc_size 20480
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
==+ information_schema data +==
SELECT * FROM information_schema.session_variables
WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size') ORDER BY 1;
VARIABLE_NAME VARIABLE_VALUE
QUERY_ALLOC_BLOCK_SIZE 17408
QUERY_PREALLOC_SIZE 18432
QUERY_PREALLOC_SIZE 17408
RANGE_ALLOC_BLOCK_SIZE 16384
TRANSACTION_ALLOC_BLOCK_SIZE 19456
TRANSACTION_PREALLOC_SIZE 20480
==+ Set values back to the default values +==
set @@range_alloc_block_size=default;
set @@query_alloc_block_size=default, @@query_prealloc_size=default;
set transaction_alloc_block_size=default, @@transaction_prealloc_size=default;
show variables like '%alloc%';
==+ Check the values now that they are reset +==
SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size');
Variable_name Value
query_alloc_block_size 8192
query_prealloc_size 8192
range_alloc_block_size 4096
transaction_alloc_block_size 8192
transaction_prealloc_size 4096
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
VARIABLE_NAME VARIABLE_VALUE
QUERY_ALLOC_BLOCK_SIZE 8192
QUERY_PREALLOC_SIZE 8192
RANGE_ALLOC_BLOCK_SIZE 4096
TRANSACTION_ALLOC_BLOCK_SIZE 8192
TRANSACTION_PREALLOC_SIZE 4096
SELECT @@version LIKE 'non-existent';
@@version LIKE 'non-existent'
0

26
mysql-test/r/view_grant.result
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@ -921,6 +921,32 @@ c4
DROP DATABASE mysqltest1;
DROP DATABASE mysqltest2;
DROP USER mysqltest_u1@localhost;
CREATE DATABASE db1;
USE db1;
CREATE TABLE t1(f1 INT, f2 INT);
CREATE VIEW v1 AS SELECT f1, f2 FROM t1;
GRANT SELECT (f1) ON t1 TO foo;
GRANT SELECT (f1) ON v1 TO foo;
USE db1;
SELECT f1 FROM t1;
f1
SELECT f2 FROM t1;
ERROR 42000: SELECT command denied to user 'foo'@'localhost' for column 'f2' in table 't1'
SELECT * FROM t1;
ERROR 42000: SELECT command denied to user 'foo'@'localhost' for table 't1'
SELECT f1 FROM v1;
f1
SELECT f2 FROM v1;
ERROR 42000: SELECT command denied to user 'foo'@'localhost' for column 'f2' in table 'v1'
SELECT * FROM v1;
ERROR 42000: SELECT command denied to user 'foo'@'localhost' for table 'v1'
USE test;
REVOKE SELECT (f1) ON db1.t1 FROM foo;
REVOKE SELECT (f1) ON db1.v1 FROM foo;
DROP USER foo;
DROP VIEW db1.v1;
DROP TABLE db1.t1;
DROP DATABASE db1;
End of 5.0 tests.
DROP VIEW IF EXISTS v1;
DROP TABLE IF EXISTS t1;

2
mysql-test/t/func_group.test
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@ -18,6 +18,8 @@ insert into t1 values (3,5,"C");
insert into t1 values (3,6,"D");
# Test of MySQL field extension with and without matching records.
#### Note: The two following statements may fail if the execution plan
#### or optimizer is changed. The result for column c is undefined.
select a,c,sum(a) from t1 group by a;
select a,c,sum(a) from t1 where a > 10 group by a;
select sum(a) from t1 where a > 10;

18
mysql-test/t/group_by.test
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@ -1139,4 +1139,22 @@ DROP TABLE t1;
SET @@sql_mode = @old_sql_mode;
#
# Bug#42567 Invalid GROUP BY error
#
# Setup of the subtest
SET @old_sql_mode = @@sql_mode;
SET @@sql_mode='ONLY_FULL_GROUP_BY';
CREATE TABLE t1(i INT);
INSERT INTO t1 VALUES (1), (10);
# The actual test
SELECT COUNT(i) FROM t1;
SELECT COUNT(i) FROM t1 WHERE i > 1;
# Cleanup of subtest
DROP TABLE t1;
SET @@sql_mode = @old_sql_mode;

22
mysql-test/t/group_min_max.test
View File

@ -961,3 +961,25 @@ insert into t1 (a,b) select a, max(b)+1 from t1 where a = 0 group by a;
select * from t1;
explain extended select sql_buffer_result a, max(b)+1 from t1 where a = 0 group by a;
drop table t1;
#
# Bug #41610: key_infix_len can be overwritten causing some group by queries
# to return no rows
#
CREATE TABLE t1 (a int, b int, c int, d int,
KEY foo (c,d,a,b), KEY bar (c,a,b,d));
INSERT INTO t1 VALUES (1, 1, 1, 1), (1, 1, 1, 2), (1, 1, 1, 3), (1, 1, 1, 4);
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT a,b,c+1,d FROM t1;
#Should be non-empty
EXPLAIN SELECT DISTINCT c FROM t1 WHERE d=4;
SELECT DISTINCT c FROM t1 WHERE d=4;
DROP TABLE t1;
--echo End of 5.0 tests

22
mysql-test/t/ps.test
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@ -946,8 +946,13 @@ set global max_prepared_stmt_count=3;
select @@max_prepared_stmt_count;
show status like 'prepared_stmt_count';
prepare stmt from "select 1";
connect (con1,localhost,root,,);
# Switch to connection con1
connection con1;
let $con1_id=`SELECT CONNECTION_ID()`;
prepare stmt from "select 2";
prepare stmt1 from "select 3";
--error ER_MAX_PREPARED_STMT_COUNT_REACHED
@ -957,18 +962,17 @@ connection default;
prepare stmt2 from "select 4";
select @@max_prepared_stmt_count;
show status like 'prepared_stmt_count';
# Disconnect connection con1 and switch to default connection
disconnect con1;
connection default;
# Wait for the connection to die: deal with a possible race
# Wait for the connection con1 to die
let $wait_condition=SELECT COUNT(*)=0 FROM information_schema.processlist WHERE id=$con1_id;
--source include/wait_condition.inc
deallocate prepare stmt;
let $query= select variable_value from information_schema.global_status
where variable_name = 'prepared_stmt_count';
let $count= `$query`;
if ($count)
{
--sleep 1
let $count= `$query`;
}
select @@max_prepared_stmt_count;
show status like 'prepared_stmt_count';
#

58
mysql-test/t/variables.test
View File

@ -173,21 +173,63 @@ select @@timestamp>0;
set @@rand_seed1=10000000,@@rand_seed2=1000000;
select ROUND(RAND(),5);
show variables like '%alloc%';
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
set @@range_alloc_block_size=1024*16;
--echo
--echo ==+ Testing %alloc% system variables +==
--echo ==+ NOTE: These values *must* be a multiple of 1024 +==
--echo ==+ Other values will be rounded down to nearest multiple +==
--echo
--echo ==+ Show initial values +==
SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size');
--echo ==+ information_schema data +==
SELECT * FROM information_schema.session_variables
WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size') ORDER BY 1;
--echo Testing values that are multiples of 1024
set @@range_alloc_block_size=1024*15+1024;
set @@query_alloc_block_size=1024*15+1024*2;
set @@query_prealloc_size=1024*18-1024;
set @@transaction_alloc_block_size=1024*21-1024*1;
set @@transaction_prealloc_size=1024*21-2048;
--echo ==+ Check manipulated values ==+
select @@query_alloc_block_size;
SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size');
--echo ==+ information_schema data +==
SELECT * FROM information_schema.session_variables
WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size') ORDER BY 1;
--echo ==+ Manipulate variable values +==
--echo Testing values that are not 1024 multiples
set @@range_alloc_block_size=1024*16+1023;
set @@query_alloc_block_size=1024*17+2;
set @@query_prealloc_size=1024*18;
set @@query_prealloc_size=1024*18-1023;
set @@transaction_alloc_block_size=1024*20-1;
set @@transaction_prealloc_size=1024*21-1;
select @@query_alloc_block_size;
show variables like '%alloc%';
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
--echo ==+ Check manipulated values ==+
SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size');
--echo ==+ information_schema data +==
SELECT * FROM information_schema.session_variables
WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size') ORDER BY 1;
--echo ==+ Set values back to the default values +==
set @@range_alloc_block_size=default;
set @@query_alloc_block_size=default, @@query_prealloc_size=default;
set transaction_alloc_block_size=default, @@transaction_prealloc_size=default;
show variables like '%alloc%';
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
--echo ==+ Check the values now that they are reset +==
SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size');
#
# Bug #10904 Illegal mix of collations between

40
mysql-test/t/view_grant.test
View File

@ -1191,6 +1191,46 @@ DROP DATABASE mysqltest1;
DROP DATABASE mysqltest2;
DROP USER mysqltest_u1@localhost;
#
# Bug #41354: Access control is bypassed when all columns of a view are
# selected by * wildcard
CREATE DATABASE db1;
USE db1;
CREATE TABLE t1(f1 INT, f2 INT);
CREATE VIEW v1 AS SELECT f1, f2 FROM t1;
GRANT SELECT (f1) ON t1 TO foo;
GRANT SELECT (f1) ON v1 TO foo;
connect (addconfoo, localhost, foo,,);
connection addconfoo;
USE db1;
SELECT f1 FROM t1;
--error ER_COLUMNACCESS_DENIED_ERROR
SELECT f2 FROM t1;
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM t1;
SELECT f1 FROM v1;
--error ER_COLUMNACCESS_DENIED_ERROR
SELECT f2 FROM v1;
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM v1;
connection default;
USE test;
disconnect addconfoo;
REVOKE SELECT (f1) ON db1.t1 FROM foo;
REVOKE SELECT (f1) ON db1.v1 FROM foo;
DROP USER foo;
DROP VIEW db1.v1;
DROP TABLE db1.t1;
DROP DATABASE db1;
--echo End of 5.0 tests.

57
sql/opt_range.cc
View File

@ -9239,32 +9239,37 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree)
*/
KEY *cur_index_info= table->key_info;
KEY *cur_index_info_end= cur_index_info + table->s->keys;
KEY_PART_INFO *cur_part= NULL;
KEY_PART_INFO *end_part; /* Last part for loops. */
/* Last index part. */
KEY_PART_INFO *last_part= NULL;
KEY_PART_INFO *first_non_group_part= NULL;
KEY_PART_INFO *first_non_infix_part= NULL;
uint key_infix_parts= 0;
uint cur_group_key_parts= 0;
uint cur_group_prefix_len= 0;
/* Cost-related variables for the best index so far. */
double best_read_cost= DBL_MAX;
ha_rows best_records= 0;
SEL_ARG *best_index_tree= NULL;
ha_rows best_quick_prefix_records= 0;
uint best_param_idx= 0;
double cur_read_cost= DBL_MAX;
ha_rows cur_records;
const uint pk= param->table->s->primary_key;
SEL_ARG *cur_index_tree= NULL;
ha_rows cur_quick_prefix_records= 0;
uint cur_param_idx=MAX_KEY;
key_map cur_used_key_parts;
uint pk= param->table->s->primary_key;
for (uint cur_index= 0 ; cur_index_info != cur_index_info_end ;
cur_index_info++, cur_index++)
{
KEY_PART_INFO *cur_part;
KEY_PART_INFO *end_part; /* Last part for loops. */
/* Last index part. */
KEY_PART_INFO *last_part;
KEY_PART_INFO *first_non_group_part;
KEY_PART_INFO *first_non_infix_part;
uint key_infix_parts;
uint cur_group_key_parts= 0;
uint cur_group_prefix_len= 0;
double cur_read_cost;
ha_rows cur_records;
key_map used_key_parts_map;
uint cur_key_infix_len= 0;
uchar cur_key_infix[MAX_KEY_LENGTH];
uint cur_used_key_parts;
/* Check (B1) - if current index is covering. */
if (!table->covering_keys.is_set(cur_index))
goto next_index;
@ -9334,7 +9339,7 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree)
else if (join->select_distinct)
{
select_items_it.rewind();
cur_used_key_parts.clear_all();
used_key_parts_map.clear_all();
uint max_key_part= 0;
while ((item= select_items_it++))
{
@ -9345,13 +9350,13 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree)
Check if this attribute was already present in the select list.
If it was present, then its corresponding key part was alredy used.
*/
if (cur_used_key_parts.is_set(key_part_nr))
if (used_key_parts_map.is_set(key_part_nr))
continue;
if (key_part_nr < 1 || key_part_nr > join->fields_list.elements)
goto next_index;
cur_part= cur_index_info->key_part + key_part_nr - 1;
cur_group_prefix_len+= cur_part->store_length;
cur_used_key_parts.set_bit(key_part_nr);
used_key_parts_map.set_bit(key_part_nr);
++cur_group_key_parts;
max_key_part= max(max_key_part,key_part_nr);
}
@ -9363,7 +9368,7 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree)
*/
ulonglong all_parts, cur_parts;
all_parts= (1<<max_key_part) - 1;
cur_parts= cur_used_key_parts.to_ulonglong() >> 1;
cur_parts= used_key_parts_map.to_ulonglong() >> 1;
if (all_parts != cur_parts)
goto next_index;
}
@ -9413,7 +9418,8 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree)
&dummy);
if (!get_constant_key_infix(cur_index_info, index_range_tree,
first_non_group_part, min_max_arg_part,
last_part, thd, key_infix, &key_infix_len,
last_part, thd, cur_key_infix,
&cur_key_infix_len,
&first_non_infix_part))
goto next_index;
}
@ -9467,9 +9473,9 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree)
}
/* If we got to this point, cur_index_info passes the test. */
key_infix_parts= key_infix_len ?
key_infix_parts= cur_key_infix_len ?
(first_non_infix_part - first_non_group_part) : 0;
used_key_parts= cur_group_key_parts + key_infix_parts;
cur_used_key_parts= cur_group_key_parts + key_infix_parts;
/* Compute the cost of using this index. */
if (tree)
@ -9481,7 +9487,7 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree)
cur_quick_prefix_records= check_quick_select(param, cur_param_idx,
cur_index_tree, TRUE);
}
cost_group_min_max(table, cur_index_info, used_key_parts,
cost_group_min_max(table, cur_index_info, cur_used_key_parts,
cur_group_key_parts, tree, cur_index_tree,
cur_quick_prefix_records, have_min, have_max,
&cur_read_cost, &cur_records);
@ -9492,7 +9498,6 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree)
*/
if (cur_read_cost < best_read_cost - (DBL_EPSILON * cur_read_cost))
{
DBUG_ASSERT(tree != 0 || cur_param_idx == MAX_KEY);
index_info= cur_index_info;
index= cur_index;
best_read_cost= cur_read_cost;
@ -9502,11 +9507,13 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree)
best_param_idx= cur_param_idx;
group_key_parts= cur_group_key_parts;
group_prefix_len= cur_group_prefix_len;
key_infix_len= cur_key_infix_len;
if (key_infix_len)
memcpy (key_infix, cur_key_infix, sizeof (key_infix));
used_key_parts= cur_used_key_parts;
}
next_index:
cur_group_key_parts= 0;
cur_group_prefix_len= 0;
next_index:;
}
if (!index_info) /* No usable index found. */
DBUG_RETURN(NULL);

23
sql/protocol.cc
View File

@ -573,7 +573,8 @@ bool Protocol::send_fields(List<Item> *list, uint flags)
else
{
/* With conversion */
uint max_char_len;
ulonglong max_length;
uint32 field_length;
int2store(pos, thd_charset->number);
/*
For TEXT/BLOB columns, field_length describes the maximum data
@ -584,12 +585,22 @@ bool Protocol::send_fields(List<Item> *list, uint flags)
char_count * mbmaxlen, where character count is taken from the
definition of the column. In other words, the maximum number
of characters here is limited by the column definition.
When one has a LONG TEXT column with a single-byte
character set, and the connection character set is multi-byte, the
client may get fields longer than UINT_MAX32, due to
<character set column> -> <character set connection> conversion.
In that case column max length does not fit into the 4 bytes
reserved for it in the protocol.
*/
max_char_len= (field.type >= (int) MYSQL_TYPE_TINY_BLOB &&
field.type <= (int) MYSQL_TYPE_BLOB) ?
field.length / item->collation.collation->mbminlen :
field.length / item->collation.collation->mbmaxlen;
int4store(pos+2, max_char_len * thd_charset->mbmaxlen);
max_length= (field.type >= MYSQL_TYPE_TINY_BLOB &&
field.type <= MYSQL_TYPE_BLOB) ?
field.length / item->collation.collation->mbminlen :
field.length / item->collation.collation->mbmaxlen;
max_length*= thd_charset->mbmaxlen;
field_length= (max_length > UINT_MAX32) ?
UINT_MAX32 : (uint32) max_length;
int4store(pos + 2, field_length);
}
pos[6]= field.type;
int2store(pos+7,field.flags);

15
sql/share/errmsg.txt
View File

@ -6154,3 +6154,18 @@ WARN_PLUGIN_BUSY
ER_VARIABLE_IS_READONLY
eng "%s variable '%s' is read-only. Use SET %s to assign the value"
ER_WARN_ENGINE_TRANSACTION_ROLLBACK
eng "Storage engine %s does not support rollback for this statement. Transaction rolled back and must be restarted"
ER_SLAVE_HEARTBEAT_FAILURE
eng "Unexpected master's heartbeat data: %s"
ER_SLAVE_HEARTBEAT_VALUE_OUT_OF_RANGE
eng "The requested value for the heartbeat period %s %s"
ER_NDB_REPLICATION_SCHEMA_ERROR
eng "Bad schema for mysql.ndb_replication table. Message: %-.64s"
ER_CONFLICT_FN_PARSE_ERROR
eng "Error in parsing conflict function. Message: %-.64s"
ER_EXCEPTIONS_WRITE_ERROR
eng "Write to exceptions table failed. Message: %-.128s""

15
tests/mysql_client_test.c
View File

@ -723,6 +723,7 @@ static void do_verify_prepare_field(MYSQL_RES *result,
{
MYSQL_FIELD *field;
CHARSET_INFO *cs;
ulonglong expected_field_length;
if (!(field= mysql_fetch_field_direct(result, no)))
{
@ -731,6 +732,8 @@ static void do_verify_prepare_field(MYSQL_RES *result,
}
cs= get_charset(field->charsetnr, 0);
DIE_UNLESS(cs);
if ((expected_field_length= length * cs->mbmaxlen) > UINT_MAX32)
expected_field_length= UINT_MAX32;
if (!opt_silent)
{
fprintf(stdout, "\n field[%d]:", no);
@ -745,8 +748,8 @@ static void do_verify_prepare_field(MYSQL_RES *result,
fprintf(stdout, "\n org_table:`%s`\t(expected: `%s`)",
field->org_table, org_table);
fprintf(stdout, "\n database :`%s`\t(expected: `%s`)", field->db, db);
fprintf(stdout, "\n length :`%lu`\t(expected: `%lu`)",
field->length, length * cs->mbmaxlen);
fprintf(stdout, "\n length :`%lu`\t(expected: `%llu`)",
field->length, expected_field_length);
fprintf(stdout, "\n maxlength:`%ld`", field->max_length);
fprintf(stdout, "\n charsetnr:`%d`", field->charsetnr);
fprintf(stdout, "\n default :`%s`\t(expected: `%s`)",
@ -782,11 +785,11 @@ static void do_verify_prepare_field(MYSQL_RES *result,
as utf8. Field length is calculated as number of characters * maximum
number of bytes a character can occupy.
*/
if (length && field->length != length * cs->mbmaxlen)
if (length && (field->length != expected_field_length))
{
fprintf(stderr, "Expected field length: %d, got length: %d\n",
(int) (length * cs->mbmaxlen), (int) field->length);
DIE_UNLESS(field->length == length * cs->mbmaxlen);
fprintf(stderr, "Expected field length: %llu, got length: %lu\n",
expected_field_length, field->length);
DIE_UNLESS(field->length == expected_field_length);
}
if (def)
DIE_UNLESS(strcmp(field->def, def) == 0);