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5.3.4 merge

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This commit is contained in:
Sergei Golubchik 2012-02-15 18:08:08 +01:00
commit 25609313ff
117 changed files with 4695 additions and 2204 deletions
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12
libmysql/get_password.c
View File

@ -71,9 +71,9 @@ void get_tty_password_buff(const char *opt_message, char *to, size_t length)
_cputs(opt_message ? opt_message : "Enter password: ");
for (;;)
{
char tmp;
int tmp;
tmp=_getch();
if (tmp == '\b' || (int) tmp == 127)
if (tmp == '\b' || tmp == 127)
{
if (pos != to)
{
@ -82,15 +82,13 @@ void get_tty_password_buff(const char *opt_message, char *to, size_t length)
continue;
}
}
if (tmp == '\n' || tmp == '\r' || tmp == 3)
if (tmp == -1 || tmp == '\n' || tmp == '\r' || tmp == 3)
break;
if (iscntrl(tmp) || pos == end)
continue;
_cputs("*");
*(pos++) = tmp;
*(pos++) = (char)tmp;
}
while (pos != to && isspace(pos[-1]) == ' ')
pos--; /* Allow dummy space at end */
*pos=0;
_cputs("\n");
}
@ -137,8 +135,6 @@ static void get_password(char *to,uint length,int fd, my_bool echo)
}
*(pos++) = tmp;
}
while (pos != to && isspace(pos[-1]) == ' ')
pos--; /* Allow dummy space at end */
*pos=0;
return;
}

2
mysql-test/include/wait_until_disconnected.inc
View File

@ -12,7 +12,7 @@ while (!$mysql_errno)
# Strangely enough, the server might return "Too many connections"
# while being shutdown, thus 1040 is an "allowed" error.
# See BUG#36228.
--error 0,1040,1053,2002,2003,2006,2013
--error 0,1040,1053,2002,2003,2005,2006,2013
show status;
dec $counter;

1
mysql-test/r/create.result
View File

@ -1562,6 +1562,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 7
drop table t1,t2;
CREATE TABLE t1(c1 VARCHAR(33), KEY USING BTREE (c1));

9
mysql-test/r/derived_opt.result
View File

@ -273,4 +273,13 @@ ON alias3.f4 != 0
) ON alias3.f4 != 0;
f4 f4 f2 f4
drop table t1,t2,t3,t4;
#
# LP BUG#910123 MariaDB 5.3.3 causes 1093 error on Drupal
# Fix: force materialization in case of conflict
#
SET optimizer_switch='derived_merge=on';
CREATE TABLE t1 ( i INT );
INSERT INTO t1 VALUES ( (SELECT 1 FROM ( SELECT * FROM t1 ) as a) );
drop table t1;
set optimizer_switch=@save_optimizer_switch;
set optimizer_switch=@exit_optimizer_switch;

58
mysql-test/r/derived_view.result
View File

@ -80,6 +80,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
flush status;
select * from (select * from t1 where f1 in (2,3)) tt where f11=2;
@ -93,6 +94,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 12
for merged views
create view v1 as select * from t1;
@ -165,6 +167,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
flush status;
select * from v4 where f2 in (1,3);
@ -178,6 +181,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 12
for materialized derived tables
explain for simple derived
@ -229,6 +233,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
flush status;
select * from t1 join (select * from t2 group by f2) tt on f1=f2;
@ -244,6 +249,7 @@ Handler_read_last 0
Handler_read_next 3
Handler_read_prev 0
Handler_read_rnd 11
Handler_read_rnd_deleted 0
Handler_read_rnd_next 36
for materialized views
drop view v1,v2,v3;
@ -318,6 +324,7 @@ Handler_read_last 0
Handler_read_next 22
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 60
explain showing late materialization
flush status;
@ -334,6 +341,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
flush status;
select * from t1 join v2 on f1=f2;
@ -349,6 +357,7 @@ Handler_read_last 0
Handler_read_next 3
Handler_read_prev 0
Handler_read_rnd 11
Handler_read_rnd_deleted 0
Handler_read_rnd_next 36
explain extended select * from v1 join v4 on f1=f2;
id select_type table type possible_keys key key_len ref rows filtered Extra
@ -443,6 +452,7 @@ Handler_read_last 0
Handler_read_next 2
Handler_read_prev 0
Handler_read_rnd 8
Handler_read_rnd_deleted 0
Handler_read_rnd_next 39
flush status;
merged in merged derived join merged in merged derived
@ -1089,7 +1099,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t system NULL NULL NULL NULL 1 100.00
1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t3 system NULL NULL NULL NULL 1 100.00
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select 6 AS `a`,5 AS `b` from `test`.`t3` where (not(<expr_cache><6,5>(<in_optimizer>((6,5),<exists>(select 7,5 having (trigcond(((<cache>(6) = 7) or isnull(7))) and trigcond(((<cache>(5) = 5) or isnull(5))) and trigcond(<is_not_null_test>(7)) and trigcond(<is_not_null_test>(5))))))))
SELECT t.a,t.b FROM t3 RIGHT JOIN ((SELECT * FROM t1) AS t, t2) ON t2.b != 0
@ -1103,7 +1113,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t3 system NULL NULL NULL NULL 1 100.00
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
3 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select 6 AS `a`,5 AS `b` from `test`.`t3` where (not(<expr_cache><6,5>(<in_optimizer>((6,5),<exists>(select 7,5 having (trigcond(((<cache>(6) = 7) or isnull(7))) and trigcond(((<cache>(5) = 5) or isnull(5))) and trigcond(<is_not_null_test>(7)) and trigcond(<is_not_null_test>(5))))))))
SELECT t.a,t.b FROM t3 RIGHT JOIN (v1 AS t, t2) ON t2.b != 0
@ -1117,7 +1127,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t3 system NULL NULL NULL NULL 1 100.00
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select 6 AS `a`,5 AS `b` from `test`.`t3` where (not(<expr_cache><6,5>(<in_optimizer>((6,5),<exists>(select 7,5 having (trigcond(((<cache>(6) = 7) or isnull(7))) and trigcond(((<cache>(5) = 5) or isnull(5))) and trigcond(<is_not_null_test>(7)) and trigcond(<is_not_null_test>(5))))))))
DROP VIEW v1;
@ -1800,6 +1810,7 @@ INSERT INTO t2 VALUES (7), (4);
CREATE TABLE t1 (b int NOT NULL);
INSERT INTO t1 VALUES (5), (7);
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1;
SET @save_optimizer_switch=@@optimizer_switch;
SET SESSION optimizer_switch='derived_merge=off';
PREPARE st1 FROM
'SELECT * FROM (SELECT * FROM t2 LEFT JOIN v1 ON t2.a = v1.b) AS t';
@ -1812,9 +1823,9 @@ a b
7 7
4 NULL
DEALLOCATE PREPARE st1;
set SESSION optimizer_switch= @save_optimizer_switch;
DROP VIEW v1;
DROP TABLE t1,t2;
SET SESSION optimizer_switch='derived_merge=on';
#
# LP bug #879939: assertion in ha_maria::enable_indexes
# with derived_with_keys=on
@ -1832,6 +1843,7 @@ INSERT INTO t1 VALUES
('USA','Mesquite'), ('USA','Metairie'), ('USA','Miami');
CREATE TABLE t3 (a varchar(35));
INSERT INTO t3 VALUES ('Miami');
SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch = 'derived_with_keys=on';
SET @@tmp_table_size=1024*4;
explain SELECT * FROM (SELECT t1.* FROM t1, t2) AS t JOIN t3 ON t3.a = t.b;
@ -1855,6 +1867,7 @@ USA Miami Miami
USA Miami Miami
USA Miami Miami
SET @@tmp_table_size=default;
set SESSION optimizer_switch= @save_optimizer_switch;
drop table t1,t2,t3;
#
# BUG#882994: Crash in QUICK_RANGE_SELECT::reset with derived_with_keys
@ -1889,5 +1902,42 @@ ORDER BY CONCAT(alias2.col_varchar_nokey);
col_varchar_key pk col_varchar_key col_varchar_nokey
set max_heap_table_size= @tmp_882994;
drop table t1,t2,t3;
#
# LP bug #917990: Bad estimate of #rows for derived table with LIMIT
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES
(8), (3), (4), (7), (9), (5), (1), (2);
SELECT * FROM (SELECT * FROM t1 LIMIT 3) t;
a
8
3
4
EXPLAIN
SELECT * FROM (SELECT * FROM t1 LIMIT 3) t;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 3
2 DERIVED t1 ALL NULL NULL NULL NULL 8
DROP TABLE t1;
#
# LP BUG#921878 incorrect check of items during columns union types
# aggregation for merged derived tables
#
SET @save_optimizer_switch=@@optimizer_switch;
SET SESSION optimizer_switch='derived_merge=on';
CREATE TABLE t1 ( a ENUM( 'x', 'y' ) );
insert into t1 values ('x');
CREATE TABLE t2 LIKE t1;
insert into t1 values ('y');
CREATE TABLE t3 LIKE t1;
INSERT INTO t3
SELECT * FROM ( SELECT * FROM t1 ) AS A
UNION SELECT * FROM t2;
select * from t3;
a
x
y
drop table t1,t2,t3;
set SESSION optimizer_switch= @save_optimizer_switch;
set optimizer_switch=@exit_optimizer_switch;
set join_cache_level=@exit_join_cache_level;

64
mysql-test/r/func_group.result
View File

@ -1825,6 +1825,70 @@ drop table t1;
#
End of 5.1 tests
#
# Bug #904345: MIN/MAX optimization with constant FALSE condition
#
CREATE TABLE t1 (a int NOT NULL, KEY(a));
INSERT INTO t1 VALUES (10), (8), (11), (7), (15), (12), (9);
CREATE TABLE t2 (a int, b int);
INSERT INTO t2 VALUES
(8,2), (6,9), (8,4), (5,3), (9,1);
EXPLAIN EXTENDED
SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT 3,4) AND a<10;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 range a a 4 NULL 4 100.00 Using where; Using index
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select max(`test`.`t1`.`a`) AS `MAX(a)` from `test`.`t1` where (<expr_cache><<cache>(1),<cache>(2)>(<in_optimizer>(<cache>((1,2)),<exists>(select 3,4 having (((1 = 3) or isnull(3)) and ((2 = 4) or isnull(4)) and <is_not_null_test>(3) and <is_not_null_test>(4))))) and (`test`.`t1`.`a` < 10))
SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT 3,4) AND a<10;
MAX(a)
NULL
EXPLAIN EXTENDED
SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT a,b FROM t2 WHERE b<5) and a<10;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 10 func,func 1 100.00
1 PRIMARY t1 range a a 4 NULL 4 100.00 Using where; Using index; Using join buffer (flat, BNL join)
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where
Warnings:
Note 1003 select max(`test`.`t1`.`a`) AS `MAX(a)` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = 2) and (`test`.`t2`.`a` = 1) and (`test`.`t1`.`a` < 10))
SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT a,b FROM t2 WHERE b<5) and a<10;
MAX(a)
NULL
EXPLAIN EXTENDED
SELECT MAX(a) FROM t1 WHERE RAND()*0<>0 AND a<10;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range a a 4 NULL 4 100.00 Using where; Using index
Warnings:
Note 1003 select max(`test`.`t1`.`a`) AS `MAX(a)` from `test`.`t1` where (((rand() * 0) <> 0) and (`test`.`t1`.`a` < 10))
SELECT MAX(a) FROM t1 WHERE RAND()*0<>0 AND a<10;
MAX(a)
NULL
DROP TABLE t1,t2;
#
# Bug #879860: MIN/MAX for subquery returning empty set
#
CREATE TABLE t1 (a int PRIMARY KEY);
INSERT INTO t1 VALUES (1);
CREATE TABLE t2 (a int NOT NULL);
INSERT INTO t2 VALUES (10);
CREATE TABLE t3 ( a int, b int);
INSERT INTO t3 VALUES (19,1), (20,5);
EXPLAIN EXTENDED
SELECT (SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b) FROM t3;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00
2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00
2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 1 100.00
Warnings:
Note 1276 Field or reference 'test.t3.b' of SELECT #2 was resolved in SELECT #1
Note 1003 select <expr_cache><`test`.`t3`.`b`>((select min(1) from dual where (10 = `test`.`t3`.`b`))) AS `(SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b)` from `test`.`t3`
SELECT (SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b) FROM t3;
(SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b)
NULL
NULL
DROP TABLE t1,t2,t3;
#
End of 5.2 tests
#
# BUG#46680 - Assertion failed in file item_subselect.cc,
# line 305 crashing on HAVING subquery
#

4
mysql-test/r/handler_read_last.result
View File

@ -13,6 +13,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
SELECT a FROM t1 ORDER BY a DESC LIMIT 1;
@ -26,6 +27,7 @@ Handler_read_last 1
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
SELECT a FROM t1 ORDER BY a LIMIT 3;
@ -41,6 +43,7 @@ Handler_read_last 0
Handler_read_next 2
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
SELECT a FROM t1 ORDER BY a DESC LIMIT 3;
@ -56,5 +59,6 @@ Handler_read_last 1
Handler_read_next 0
Handler_read_prev 2
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
DROP TABLE t1;

1
mysql-test/r/insert_select.result
View File

@ -698,6 +698,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 1
DROP TABLE t1;
CREATE TABLE t1 (

2
mysql-test/r/join.result
View File

@ -861,6 +861,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 5
drop table t1, t2, t3;
create table t1 (a int);
@ -1271,6 +1272,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 1
DROP TABLE t1, t2;
End of 5.1 tests

180
mysql-test/r/join_cache.result
View File

@ -5392,4 +5392,184 @@ x 5 5 4
SET join_cache_level = DEFAULT;
SET optimizer_switch=@tmp_optimizer_switch;
DROP TABLE t1,t2,t3,t4;
#
# Bug#53305 Duplicate weedout + join buffer (join cache --level=7,8)
#
create table t1 (uid int, fid int, index(uid));
insert into t1 values
(1,1), (1,2), (1,3), (1,4),
(2,5), (2,6), (2,7), (2,8),
(3,1), (3,2), (3,9);
create table t2 (uid int primary key, name varchar(128), index(name));
insert into t2 values
(1, "A"), (2, "B"), (3, "C"), (4, "D"), (5, "E"),
(6, "F"), (7, "G"), (8, "H"), (9, "I");
create table t3 (uid int, fid int, index(uid));
insert into t3 values
(1,1), (1,2), (1,3),(1,4),
(2,5), (2,6), (2,7), (2,8),
(3,1), (3,2), (3,9);
set @tmp_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='semijoin=on';
set optimizer_switch='materialization=off';
set optimizer_switch='loosescan=off,firstmatch=off';
set optimizer_switch='mrr_sort_keys=off';
set join_cache_level=7;
create table t4 (uid int primary key, name varchar(128), index(name));
insert into t4 values
(1, "A"), (2, "B"), (3, "C"), (4, "D"), (5, "E"),
(6, "F"), (7, "G"), (8, "H"), (9, "I");
explain select name from t2, t1
where t1.uid in (select t4.uid from t4, t3 where t3.uid=1 and t4.uid=t3.fid)
and t2.uid=t1.fid;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ref uid uid 5 const 4 Using where; Start temporary
1 PRIMARY t4 eq_ref PRIMARY PRIMARY 4 test.t3.fid 1 Using index
1 PRIMARY t1 ALL uid NULL NULL NULL 11 Using where; End temporary; Using join buffer (flat, BNL join)
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t1.fid 1 Using join buffer (flat, BKAH join); Rowid-ordered scan
select name from t2, t1
where t1.uid in (select t4.uid from t4, t3 where t3.uid=1 and t4.uid=t3.fid)
and t2.uid=t1.fid;
name
A
A
B
B
C
D
E
F
G
H
I
set join_cache_level = default;
set optimizer_switch=@tmp_optimizer_switch;
drop table t1,t2,t3,t4;
#
# Bug#50358 - semijoin execution of subquery with outerjoin
# emplying join buffer
#
CREATE TABLE t1 (i int);
CREATE TABLE t2 (i int);
CREATE TABLE t3 (i int);
INSERT INTO t1 VALUES (1), (2);
INSERT INTO t2 VALUES (6);
INSERT INTO t3 VALUES (1), (2);
set @tmp_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='semijoin=on';
set optimizer_switch='materialization=on';
set join_cache_level=0;
EXPLAIN
SELECT * FROM t1 WHERE t1.i IN
(SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 Using where
SELECT * FROM t1 WHERE t1.i IN
(SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
i
1
2
set join_cache_level=2;
EXPLAIN
SELECT * FROM t1 WHERE t1.i IN
(SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 Using where; Using join buffer (flat, BNL join)
SELECT * FROM t1 WHERE t1.i IN
(SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
i
1
2
set join_cache_level = default;
set optimizer_switch=@tmp_optimizer_switch;
DROP TABLE t1,t2,t3;
#
# Bug #12546542: missing row with semijoin=off + join cache
# (LP bug #922971)
#
CREATE TABLE t1 (a varchar(1024));
INSERT INTO t1 VALUES ('v'), ('we');
CREATE TABLE t2 (
a varchar(1024) CHARACTER SET utf8 DEFAULT NULL, b int, c int
);
INSERT INTO t2 VALUES ('we',4,NULL), ('v',1305673728,6);
CREATE TABLE t3 (b int, c int);
INSERT INTO t3 VALUES (4,4);
set @tmp_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off';
set optimizer_switch='materialization=off';
set join_cache_level=0;
EXPLAIN
SELECT * FROM t1
WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b
WHERE t2.c < 10 OR t3.c > 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 1 Using where
SELECT * FROM t1
WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b
WHERE t2.c < 10 OR t3.c > 1);
a
v
we
set join_cache_level=2;
EXPLAIN
SELECT * FROM t1
WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b
WHERE t2.c < 10 OR t3.c > 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 1 Using where; Using join buffer (flat, BNL join)
SELECT * FROM t1
WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b
WHERE t2.c < 10 OR t3.c > 1);
a
v
we
set join_cache_level = default;
set optimizer_switch=@tmp_optimizer_switch;
DROP TABLE t1,t2,t3;
#
# Bug #925985: LEFT JOIN with optimize_join_buffer_size=off +
# join_buffer_size > join_buffer_space_limit
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (5), (3);
CREATE TABLE t2 (a int, b int);
INSERT INTO t2 VALUES
(3,30), (1,10), (7,70), (2,20),
(3,31), (1,11), (7,71), (2,21),
(3,32), (1,12), (7,72), (2,22);
CREATE TABLE t3 (b int, c int);
INSERT INTO t3 VALUES (32, 302), (42,400), (30,300);
set @tmp_optimizer_switch=@@optimizer_switch;
set optimizer_switch='optimize_join_buffer_size=off';
set join_buffer_space_limit=4096;
set join_buffer_size=4096*2;
set join_cache_level=2;
set optimizer_switch='outer_join_with_cache=on';
EXPLAIN
SELECT * FROM t1, t2 LEFT JOIN t3 ON t2.b=t3.b WHERE t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t3 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (incremental, BNL join)
SELECT * FROM t1, t2 LEFT JOIN t3 ON t2.b=t3.b WHERE t1.a=t2.a;
a a b b c
3 3 30 30 300
3 3 31 NULL NULL
3 3 32 32 302
set join_buffer_space_limit=default;
set join_buffer_size=default;
set join_cache_level=default;
set optimizer_switch=@tmp_optimizer_switch;
DROP TABLE t1,t2,t3;
set @@optimizer_switch=@save_optimizer_switch;

3
mysql-test/r/join_outer.result
View File

@ -1245,6 +1245,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 6
DROP TABLE t1,t2;
CREATE TABLE t1 (c int PRIMARY KEY, e int NOT NULL);
@ -1747,6 +1748,7 @@ Handler_read_last 0
Handler_read_next 5
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 1048581
flush status;
select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10;
@ -1760,6 +1762,7 @@ Handler_read_last 0
Handler_read_next 5
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 1048581
drop table t1,t2,t3;
#

8
mysql-test/r/join_outer_innodb.result
View File

@ -52,3 +52,11 @@ pk
DROP TABLE t1,t2;
# End BUG#58456
CREATE TABLE t1(a int, b int, KEY (a), PRIMARY KEY (b)) ENGINE=InnoDB;
CREATE TABLE t2 (b int, PRIMARY KEY (b));
INSERT INTO t2 VALUES (4),(9);
SELECT STRAIGHT_JOIN t1.a FROM t1 RIGHT JOIN t2 ON t1.b = t2.b
WHERE (t1.b NOT BETWEEN 1 AND 7 OR t1.a IS NULL AND t1.b = t2.b) AND t2.b = 4
GROUP BY 1;
a
DROP TABLE t1,t2;

3
mysql-test/r/join_outer_jcl6.result
View File

@ -1256,6 +1256,7 @@ Handler_read_last 0
Handler_read_next 9
Handler_read_prev 0
Handler_read_rnd 3
Handler_read_rnd_deleted 0
Handler_read_rnd_next 6
DROP TABLE t1,t2;
CREATE TABLE t1 (c int PRIMARY KEY, e int NOT NULL);
@ -1758,6 +1759,7 @@ Handler_read_last 0
Handler_read_next 5
Handler_read_prev 0
Handler_read_rnd 5
Handler_read_rnd_deleted 0
Handler_read_rnd_next 1048581
flush status;
select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10;
@ -1771,6 +1773,7 @@ Handler_read_last 0
Handler_read_next 5
Handler_read_prev 0
Handler_read_rnd 5
Handler_read_rnd_deleted 0
Handler_read_rnd_next 1048581
drop table t1,t2,t3;
#

62
mysql-test/r/myisam_mrr.result
View File

@ -557,4 +557,66 @@ COUNT(alias2.f2)
set @@join_cache_level= @tmp_730133_jcl;
set @@optimizer_switch= @tmp_730133_os;
drop table t1;
#
# Test of MRR handler counters
#
flush status;
show status like 'Handler_mrr%';
Variable_name Value
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (a int, b int, filler char(200), key(a));
insert into t1
select A.a+10*B.a+100*C.a+1000*D.a, 123,'filler' from t0 A, t0 B, t0 C, t0 D;
explain select sum(b) from t1 where a < 10;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 5 NULL 8 Using index condition; Rowid-ordered scan
# This should show one MRR scan and no re-fills:
flush status;
select sum(b) from t1 where a < 10;
sum(b)
1230
show status like 'handler_mrr%';
Variable_name Value
set @mrr_buffer_size_save= @@mrr_buffer_size;
set mrr_buffer_size=128;
explain select sum(b) from t1 where a < 1600;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 5 NULL 1380 Using index condition; Rowid-ordered scan
# This should show one MRR scan and one extra rowid sort:
flush status;
select sum(b) from t1 where a < 1600;
sum(b)
196800
show status like 'handler_mrr%';
Variable_name Value
set @@mrr_buffer_size= @mrr_buffer_size_save;
#Now, let's check BKA:
set @join_cache_level_save= @@join_cache_level;
set @join_buffer_size_save= @@join_buffer_size;
set join_cache_level=6;
explain select sum(t1.b) from t0,t1 where t0.a=t1.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t0 ALL NULL NULL NULL NULL 10 Using where
1 SIMPLE t1 ref a a 5 test.t0.a 1 Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
flush status;
select sum(t1.b) from t0,t1 where t0.a=t1.a;
sum(t1.b)
1230
show status like 'handler_mrr%';
Variable_name Value
set join_buffer_size=10;
explain select sum(t1.b) from t0,t1 where t0.a=t1.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t0 ALL NULL NULL NULL NULL 10 Using where
1 SIMPLE t1 ref a a 5 test.t0.a 1 Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
flush status;
select sum(t1.b) from t0,t1 where t0.a=t1.a;
sum(t1.b)
1230
show status like 'handler_mrr%';
Variable_name Value
set join_cache_level= @join_cache_level_save;
set join_buffer_size= @join_buffer_size_save;
drop table t0, t1;
set optimizer_switch= @myisam_mrr_tmp;

1
mysql-test/r/null_key.result
View File

@ -428,6 +428,7 @@ Handler_read_last 0
Handler_read_next 2
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 5
DROP TABLE t1,t2,t3,t4;
CREATE TABLE t1 (

54
mysql-test/r/order_by.result
View File

@ -1759,3 +1759,57 @@ i1 i2
4 4
5 5
DROP TABLE t1, t2, t3;
#
# Fix of LP BUG#793589 Wrong result with double ORDER BY
#
CREATE TABLE t1 ( b int) ;
INSERT INTO t1 VALUES (8),(9);
CREATE TABLE t2 ( a int, b int, PRIMARY KEY (a)) ;
INSERT INTO t2 VALUES (6,7),(7,7),(8,1),(9,7),(10,1),(11,5),(12,2),(13,0),(14,1),(15,8),(16,1),(17,1),(18,9),(19,1),(20,5);
SELECT t2.b AS field1 FROM t1, t2 WHERE t1.b = t2.a GROUP BY field1 ORDER BY t1.b, field1;
field1
1
7
SELECT t2.b, t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b, t2.b;
b b
1 8
7 9
SELECT t2.b,t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
b b
1 8
7 9
SELECT t2.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
b
1
7
# field1 removed from ORDER BY
explain extended
SELECT t2.b AS field1 FROM t1, t2 WHERE t1.b = t2.a GROUP BY field1 ORDER BY t1.b, field1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary; Using filesort
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00
Warnings:
Note 1003 select `test`.`t2`.`b` AS `field1` from `test`.`t1` join `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`b`) group by `test`.`t2`.`b` order by `test`.`t1`.`b`
explain extended
SELECT t2.b, t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b, t2.b;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary; Using filesort
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00
Warnings:
Note 1003 select `test`.`t2`.`b` AS `b`,`test`.`t1`.`b` AS `b` from `test`.`t1` join `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`b`) group by `test`.`t2`.`b` order by `test`.`t1`.`b`
explain extended
SELECT t2.b,t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary; Using filesort
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00
Warnings:
Note 1003 select `test`.`t2`.`b` AS `b`,`test`.`t1`.`b` AS `b` from `test`.`t1` join `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`b`) group by `test`.`t2`.`b` order by `test`.`t1`.`b`
explain extended
SELECT t2.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary; Using filesort
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00
Warnings:
Note 1003 select `test`.`t2`.`b` AS `b` from `test`.`t1` join `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`b`) group by `test`.`t2`.`b` order by `test`.`t1`.`b`
drop table t1,t2;
End of 5.2 tests

6
mysql-test/r/partition.result
View File

@ -521,6 +521,7 @@ Handler_read_last 0
Handler_read_next 4
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
EXPLAIN PARTITIONS SELECT c1 FROM t2 WHERE (c1 > 10 AND c1 < 13) OR (c1 > 17 AND c1 < 20);
id select_type table partitions type possible_keys key key_len ref rows Extra
@ -540,6 +541,7 @@ Handler_read_last 0
Handler_read_next 4
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
DROP TABLE t1,t2;
CREATE TABLE `t1` (
@ -571,6 +573,7 @@ Handler_read_last 0
Handler_read_next 2
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
EXPLAIN PARTITIONS SELECT c1 FROM t2 WHERE (c1 > 2 AND c1 < 5);
id select_type table partitions type possible_keys key key_len ref rows Extra
@ -588,6 +591,7 @@ Handler_read_last 0
Handler_read_next 2
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
EXPLAIN PARTITIONS SELECT c1 FROM t1 WHERE (c1 > 12 AND c1 < 15);
id select_type table partitions type possible_keys key key_len ref rows Extra
@ -605,6 +609,7 @@ Handler_read_last 0
Handler_read_next 2
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
EXPLAIN PARTITIONS SELECT c1 FROM t2 WHERE (c1 > 12 AND c1 < 15);
id select_type table partitions type possible_keys key key_len ref rows Extra
@ -622,6 +627,7 @@ Handler_read_last 0
Handler_read_next 2
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
DROP TABLE t1,t2;
create table t1 (a int) partition by list ((a/3)*10 div 1)

10
mysql-test/r/partition_pruning.result
View File

@ -2968,7 +2968,10 @@ flush status;
delete from t2 where b > 5;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 1215
Handler_read_rnd_next 815
show status like 'Handler_read_rnd_deleted';
Variable_name Value
Handler_read_rnd_deleted 400
show status like 'Handler_read_key';
Variable_name Value
Handler_read_key 0
@ -2982,7 +2985,10 @@ flush status;
delete from t2 where b < 5 or b > 3;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 1215
Handler_read_rnd_next 515
show status like 'Handler_read_rnd_deleted';
Variable_name Value
Handler_read_rnd_deleted 700
show status like 'Handler_read_key';
Variable_name Value
Handler_read_key 0

4
mysql-test/r/ps.result
View File

@ -3790,6 +3790,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
flush status;
execute st;
@ -3803,6 +3804,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
flush status;
select * from t1 use index() where a=3;
@ -3816,6 +3818,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 8
flush status;
execute st;
@ -3829,6 +3832,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
deallocate prepare st;
drop table t1;

4
mysql-test/r/ps_11bugs.result
View File

@ -121,8 +121,8 @@ insert into t1 values (1);
explain select * from t1 where 3 in (select (1+1) union select 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
3 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL
select * from t1 where 3 in (select (1+1) union select 1);
a

9
mysql-test/r/select.result
View File

@ -2783,10 +2783,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
explain select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 SIMPLE t1 index key1 key1 5 NULL 4 Using where; Using index
explain select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 SIMPLE t1 range key1 key1 5 NULL 3 Using where; Using index
select max(key1) from t1 where key1 <= 0.6158;
max(key1)
0.6158000230789185
@ -2805,10 +2805,10 @@ max(key1) min(key2)
0.6158000230789185 1.3761999607086182
select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
max(key1)
0.6158000230789185
0.38449999690055847
select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
min(key1)
0.37619999051094055
0.38449999690055847
DROP TABLE t1,t2;
CREATE TABLE t1 (i BIGINT UNSIGNED NOT NULL);
INSERT INTO t1 VALUES (10);
@ -4346,6 +4346,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 6
DROP TABLE t1, t2;
CREATE TABLE t1 (f1 bigint(20) NOT NULL default '0',

11
mysql-test/r/select_jcl6.result
View File

@ -2794,10 +2794,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
explain select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 SIMPLE t1 index key1 key1 5 NULL 4 Using where; Using index
explain select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 SIMPLE t1 range key1 key1 5 NULL 3 Using where; Using index
select max(key1) from t1 where key1 <= 0.6158;
max(key1)
0.6158000230789185
@ -2816,10 +2816,10 @@ max(key1) min(key2)
0.6158000230789185 1.3761999607086182
select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
max(key1)
0.6158000230789185
0.38449999690055847
select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
min(key1)
0.37619999051094055
0.38449999690055847
DROP TABLE t1,t2;
CREATE TABLE t1 (i BIGINT UNSIGNED NOT NULL);
INSERT INTO t1 VALUES (10);
@ -4357,7 +4357,8 @@ Handler_read_last 0
Handler_read_next 10
Handler_read_prev 0
Handler_read_rnd 10
Handler_read_rnd_next 7
Handler_read_rnd_deleted 1
Handler_read_rnd_next 6
DROP TABLE t1, t2;
CREATE TABLE t1 (f1 bigint(20) NOT NULL default '0',
f2 int(11) NOT NULL default '0',

9
mysql-test/r/select_pkeycache.result
View File

@ -2783,10 +2783,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
explain select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 SIMPLE t1 index key1 key1 5 NULL 4 Using where; Using index
explain select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 SIMPLE t1 range key1 key1 5 NULL 3 Using where; Using index
select max(key1) from t1 where key1 <= 0.6158;
max(key1)
0.6158000230789185
@ -2805,10 +2805,10 @@ max(key1) min(key2)
0.6158000230789185 1.3761999607086182
select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
max(key1)
0.6158000230789185
0.38449999690055847
select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
min(key1)
0.37619999051094055
0.38449999690055847
DROP TABLE t1,t2;
CREATE TABLE t1 (i BIGINT UNSIGNED NOT NULL);
INSERT INTO t1 VALUES (10);
@ -4346,6 +4346,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 6
DROP TABLE t1, t2;
CREATE TABLE t1 (f1 bigint(20) NOT NULL default '0',

42
mysql-test/r/single_delete_update.result
View File

@ -29,6 +29,7 @@ Handler_read_last 0
Handler_read_next 4
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
DELETE FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i LIMIT 5;
@ -46,6 +47,7 @@ Handler_read_last 0
Handler_read_next 4
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
SELECT * FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i;
a i
@ -80,6 +82,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
FLUSH STATUS;
DELETE FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i LIMIT 5;
@ -97,6 +100,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 5
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
SELECT * FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i;
a i
@ -128,6 +132,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
FLUSH STATUS;
DELETE FROM t2 WHERE b = 10 ORDER BY a, c LIMIT 5;
@ -145,6 +150,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 1
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
## should be 5 (previous LIMIT)
SELECT 1 - COUNT(*) FROM t2 WHERE b = 10;
@ -180,6 +186,7 @@ Handler_read_last 0
Handler_read_next 4
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
DELETE FROM t2 WHERE b = 10 ORDER BY a, c LIMIT 5;
@ -197,6 +204,7 @@ Handler_read_last 0
Handler_read_next 4
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
## should be 5 (previous LIMIT)
SELECT 257 - COUNT(*) FROM t2 WHERE b = 10;
@ -226,6 +234,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
FLUSH STATUS;
DELETE FROM t2 WHERE b = 10 ORDER BY a, c LIMIT 5;
@ -243,6 +252,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 1
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
SELECT * FROM t2 WHERE b = 10 ORDER BY a, c;
a b c d
@ -270,6 +280,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 1
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
FLUSH STATUS;
DELETE FROM t2 WHERE b = 10 ORDER BY a, c LIMIT 5;
@ -287,6 +298,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 1
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
SELECT * FROM t2 WHERE b = 10 ORDER BY a, c;
a b c d
@ -317,6 +329,7 @@ Handler_read_last 0
Handler_read_next 7
Handler_read_prev 0
Handler_read_rnd 4
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
EXPLAIN EXTENDED SELECT * FROM t2 WHERE key1 < 13 or key2 < 14 ORDER BY key1;
id select_type table type possible_keys key key_len ref rows filtered Extra
@ -339,6 +352,7 @@ Handler_read_last 0
Handler_read_next 7
Handler_read_prev 0
Handler_read_rnd 8
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
SELECT * FROM t2 WHERE key1 < 13 or key2 < 14 ORDER BY key1;
i key1 key2
@ -375,6 +389,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 4
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
DELETE FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i DESC LIMIT 5;
@ -392,6 +407,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 4
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
SELECT * FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i;
a i
@ -426,6 +442,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
FLUSH STATUS;
DELETE FROM t2 ORDER BY a, b DESC LIMIT 5;
@ -443,6 +460,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 5
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
SELECT * FROM t2 ORDER BY a, b DESC;
a b c
@ -486,6 +504,7 @@ Handler_read_last 0
Handler_read_next 4
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
SELECT * FROM t2 ORDER BY a DESC, b DESC LIMIT 5;
@ -509,6 +528,7 @@ Handler_read_last 1
Handler_read_next 0
Handler_read_prev 4
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
DELETE FROM t2 ORDER BY a DESC, b DESC LIMIT 5;
@ -526,6 +546,7 @@ Handler_read_last 1
Handler_read_next 0
Handler_read_prev 4
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
SELECT * FROM t2 WHERE c = 10 ORDER BY a DESC, b DESC;
a b c
@ -561,6 +582,7 @@ Handler_read_last 0
Handler_read_next 4
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
UPDATE t2 SET a = 10 WHERE i > 10 AND i <= 18 ORDER BY i LIMIT 5;
@ -578,6 +600,7 @@ Handler_read_last 0
Handler_read_next 4
Handler_read_prev 0
Handler_read_rnd 5
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
SELECT * FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i;
a i
@ -617,6 +640,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
FLUSH STATUS;
UPDATE t2 SET a = 10 WHERE i > 10 AND i <= 18 ORDER BY i LIMIT 5;
@ -634,6 +658,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 5
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
SELECT * FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i;
a i
@ -670,6 +695,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
FLUSH STATUS;
UPDATE t2 SET d = 10 WHERE b = 10 ORDER BY a, c LIMIT 5;
@ -687,6 +713,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 1
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
## should be 5 (previous LIMIT)
SELECT COUNT(*) FROM t2 WHERE b = 10 AND d = 10 ORDER BY a, c;
@ -722,6 +749,7 @@ Handler_read_last 0
Handler_read_next 4
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
UPDATE t2 SET d = 10 WHERE b = 10 ORDER BY a, c LIMIT 5;
@ -739,6 +767,7 @@ Handler_read_last 0
Handler_read_next 4
Handler_read_prev 0
Handler_read_rnd 5
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
## should be 5 (previous LIMIT)
SELECT COUNT(*) FROM t2 WHERE b = 10 AND d = 10 ORDER BY a, c;
@ -768,6 +797,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
FLUSH STATUS;
UPDATE t2 SET d = 10 WHERE b = 10 ORDER BY a, c LIMIT 5;
@ -785,6 +815,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 1
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
SELECT * FROM t2 WHERE b = 10 ORDER BY a, c;
a b c d
@ -813,6 +844,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 1
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
FLUSH STATUS;
UPDATE t2 SET d = 10 WHERE b = 10 ORDER BY a, c LIMIT 5;
@ -830,6 +862,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 1
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
SELECT * FROM t2 WHERE b = 10 ORDER BY a, c;
a b c d
@ -861,6 +894,7 @@ Handler_read_last 0
Handler_read_next 7
Handler_read_prev 0
Handler_read_rnd 4
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
EXPLAIN EXTENDED SELECT * FROM t2 WHERE key1 < 13 or key2 < 14 ORDER BY key1;
id select_type table type possible_keys key key_len ref rows filtered Extra
@ -883,6 +917,7 @@ Handler_read_last 0
Handler_read_next 7
Handler_read_prev 0
Handler_read_rnd 8
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
SELECT * FROM t2 WHERE key1 < 13 or key2 < 14 ORDER BY key1;
i key1 key2
@ -923,6 +958,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 4
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
UPDATE t2 SET a = 10 WHERE i > 10 AND i <= 18 ORDER BY i DESC LIMIT 5;
@ -940,6 +976,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 4
Handler_read_rnd 5
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
SELECT * FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i;
a i
@ -979,6 +1016,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
FLUSH STATUS;
UPDATE t2 SET c = 10 ORDER BY a, b DESC LIMIT 5;
@ -996,6 +1034,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 5
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
SELECT * FROM t2 WHERE c = 10 ORDER BY a, b DESC;
a b c
@ -1033,6 +1072,7 @@ Handler_read_last 0
Handler_read_next 4
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
SELECT * FROM t2 ORDER BY a DESC, b DESC LIMIT 5;
@ -1056,6 +1096,7 @@ Handler_read_last 1
Handler_read_next 0
Handler_read_prev 4
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
FLUSH STATUS;
UPDATE t2 SET c = 10 ORDER BY a DESC, b DESC LIMIT 5;
@ -1073,6 +1114,7 @@ Handler_read_last 1
Handler_read_next 0
Handler_read_prev 4
Handler_read_rnd 5
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
SELECT * FROM t2 WHERE c = 10 ORDER BY a DESC, b DESC;
a b c

31
mysql-test/r/status.result
View File

@ -282,6 +282,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 7
Handler_read_rnd_deleted 0
Handler_read_rnd_next 23
Handler_rollback 0
Handler_savepoint 0
@ -297,7 +298,35 @@ Created_tmp_files 0
Created_tmp_tables 2
Handler_tmp_update 2
Handler_tmp_write 7
Rows_tmp_read 35
Rows_tmp_read 36
drop table t1;
CREATE TABLE t1 (i int(11) DEFAULT NULL, KEY i (i) ) ENGINE=MyISAM;
insert into t1 values (1),(2),(3),(4),(5);
flush status;
select * from t1 where i=5 union select * from t1 where i=5;
i
5
show status like "handler%";
Variable_name Value
Handler_commit 0
Handler_delete 0
Handler_discover 0
Handler_prepare 0
Handler_read_first 0
Handler_read_key 2
Handler_read_last 0
Handler_read_next 2
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 1
Handler_read_rnd_next 2
Handler_rollback 0
Handler_savepoint 0
Handler_savepoint_rollback 0
Handler_tmp_update 0
Handler_tmp_write 2
Handler_update 0
Handler_write 0
drop table t1;
set @@global.concurrent_insert= @old_concurrent_insert;
SET GLOBAL log_output = @old_log_output;

1
mysql-test/r/status_user.result
View File

@ -107,6 +107,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 5
Handler_rollback 2
Handler_savepoint 0

244
mysql-test/r/subselect.result
View File

@ -4620,6 +4620,13 @@ CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
EXPLAIN EXTENDED
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <nop>(<in_optimizer>(1,((select max(`test`.`t1`.`a1`) from `test`.`t1`) > 1)))
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1
1
@ -5322,7 +5329,6 @@ EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
WHERE t1.a = d1.a;
ERROR 42S22: Unknown column 'd1.a' in 'where clause'
DROP TABLE t1;
End of 5.1 tests.
Set up test tables.
CREATE TABLE t1 (
t1_id INT UNSIGNED,
@ -5847,10 +5853,161 @@ NULL
NULL
5
DROP TABLE t1, t2, t3;
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
create table t2(i int);
insert into t2 values(0);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
CREATE VIEW v1 AS
SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
;
CREATE TABLE t1 (
pk int NOT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
PRIMARY KEY (pk),
KEY col_varchar_key (col_varchar_key)
);
SELECT t1.pk
FROM t1
WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
;
pk
SET SESSION sql_mode=@old_sql_mode;
drop table t2, t1;
drop view v1;
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
#
CREATE TABLE t1 (a INT, b INT, INDEX (a));
INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 5 const 1
EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 SUBQUERY t1 ref a a 5 const 1 Using index
DROP TABLE t1;
#
# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
# (duplicate of LP bug #888456)
#
CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('v'),('s');
CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
('d'),('y'),('t'),('d'),('s');
EXPLAIN
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
WHERE EXISTS (SELECT DISTINCT f1_key FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY table1 ALL NULL NULL NULL NULL 2
1 PRIMARY table2 index NULL f1_key 4 NULL 10 Using where; Using index; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t2 index f1_key f1_key 4 NULL 10 Using where; Using index
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
WHERE EXISTS (SELECT DISTINCT f1_key FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
f1 f1_key
v j
s j
v v
s v
v c
s c
v m
s m
v d
s d
v d
s d
v y
s y
v t
s t
v d
s d
v s
s s
DROP TABLE t1,t2;
#
# LP bug 919427: EXPLAIN for a query over a single-row table
# with IN subquery in WHERE condition
#
CREATE TABLE ot (
col_int_nokey int(11),
col_varchar_nokey varchar(1)
) ;
INSERT INTO ot VALUES (1,'x');
CREATE TABLE it1(
col_int_key int(11),
col_varchar_key varchar(1),
KEY idx_cvk_cik (col_varchar_key,col_int_key)
);
INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');
CREATE TABLE it2 (
col_int_key int(11),
col_varchar_key varchar(1),
col_varchar_key2 varchar(1),
KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
KEY idx_cvk_cik (col_varchar_key, col_int_key)
);
INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');
EXPLAIN
SELECT col_int_nokey FROM ot
WHERE col_varchar_nokey IN
(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot system NULL NULL NULL NULL 1
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
2 MATERIALIZED it1 ref idx_cvk_cik idx_cvk_cik 9 const,const 1 Using where; Using index
SELECT col_int_nokey FROM ot
WHERE col_varchar_nokey IN
(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
col_int_nokey
1
EXPLAIN
SELECT col_int_nokey FROM ot
WHERE (col_varchar_nokey, 'x') IN
(SELECT col_varchar_key, col_varchar_key2 FROM it2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot system NULL NULL NULL NULL 1
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 10 func,func 1
2 MATERIALIZED it2 ref idx_cvk_cvk2_cik,idx_cvk_cik idx_cvk_cvk2_cik 8 const,const 1 Using where; Using index
SELECT col_int_nokey FROM ot
WHERE (col_varchar_nokey, 'x') IN
(SELECT col_varchar_key, col_varchar_key2 FROM it2);
col_int_nokey
1
DROP TABLE ot,it1,it2;
End of 5.2 tests
#
# BUG#779885: Crash in eliminate_item_equal with materialization=on in
# maria-5.3
#
CREATE TABLE t1 ( f1 int );
INSERT INTO t1 VALUES (19), (20);
@ -5897,32 +6054,6 @@ b c
9 NULL
SET optimizer_switch=@save_optimizer_switch;
drop table t1, t2, t3;
End of 5.3 tests
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
@ -5945,6 +6076,54 @@ id select_type table type possible_keys key key_len ref rows Extra
DROP TABLE t1;
#
# Bug#11764086: Null left operand to NOT IN in WHERE clause
# behaves differently than real NULL
#
CREATE TABLE parent (id int);
INSERT INTO parent VALUES (1), (2);
CREATE TABLE child (parent_id int, other int);
INSERT INTO child VALUES (1,NULL);
# Offending query (c.parent_id is NULL for null-complemented rows only)
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id NOT IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
);
id parent_id
1 1
2 NULL
# Some syntactic variations with IS FALSE and IS NOT TRUE
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS NOT TRUE;
id parent_id
1 1
2 NULL
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS FALSE;
id parent_id
1 1
2 NULL
DROP TABLE parent, child;
# End of test for bug#11764086.
#
# Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET ||
# BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
#
@ -6283,5 +6462,14 @@ SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;
1
NULL
drop table t1,t2,t3;
#
# LP BUG#905353 Wrong non-empty result with a constant table,
# aggregate function in subquery, MyISAM or Aria
#
CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);
SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );
a
drop table t1;
# return optimizer switch changed in the beginning of this test
set optimizer_switch=@subselect_tmp;

1
mysql-test/r/subselect3.result
View File

@ -125,6 +125,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 50
select 'No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.' Z;
Z

3
mysql-test/r/subselect3_jcl6.result
View File

@ -135,6 +135,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 50
select 'No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.' Z;
Z
@ -1153,7 +1154,7 @@ insert into t4 select a from t3;
explain select * from t3 where a in (select t1.kp1 from t1,t4 where kp1<20
and t4.pk=t1.c);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range kp1 kp1 5 NULL 48 Using index condition; Using where; Rowid-ordered scan; LooseScan
1 PRIMARY t1 range kp1 kp1 5 NULL 48 Using index condition; Using where; LooseScan
1 PRIMARY t4 eq_ref PRIMARY PRIMARY 4 test.t1.c 1 Using index; FirstMatch(t1)
1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
drop table t1, t3, t4;

8
mysql-test/r/subselect4.result
View File

@ -711,7 +711,7 @@ EXPLAIN
SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No matching min/max row
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No matching min/max row
SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2);
f1 f2
SET @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off';
@ -802,7 +802,7 @@ EXPLAIN
SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No matching min/max row
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No matching min/max row
SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2);
f1 f2
INSERT INTO t1 VALUES (1, 2);
@ -897,7 +897,7 @@ EXPLAIN
SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No matching min/max row
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No matching min/max row
SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10);
f1 f2
SET @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off';
@ -988,7 +988,7 @@ EXPLAIN
SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No matching min/max row
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No matching min/max row
SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10);
f1 f2
set @@optimizer_switch=@save_optimizer_switch;

34
mysql-test/r/subselect_cache.result
View File

@ -37,6 +37,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 31
set optimizer_switch='subquery_cache=off';
flush status;
@ -64,6 +65,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 61
set optimizer_switch='subquery_cache=on';
#single value subquery test (where)
@ -90,6 +92,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 31
set optimizer_switch='subquery_cache=off';
flush status;
@ -115,6 +118,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 61
set optimizer_switch='subquery_cache=on';
#single value subquery test (having)
@ -141,6 +145,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 31
set optimizer_switch='subquery_cache=off';
flush status;
@ -166,6 +171,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 61
set optimizer_switch='subquery_cache=on';
#single value subquery test (OUTER JOIN ON)
@ -264,6 +270,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 442
set optimizer_switch='subquery_cache=off';
flush status;
@ -361,6 +368,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 472
set optimizer_switch='subquery_cache=on';
#single value subquery test (GROUP BY)
@ -383,6 +391,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 4
Handler_read_rnd_deleted 0
Handler_read_rnd_next 36
set optimizer_switch='subquery_cache=off';
flush status;
@ -404,6 +413,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 4
Handler_read_rnd_deleted 0
Handler_read_rnd_next 86
set optimizer_switch='subquery_cache=on';
#single value subquery test (distinct GROUP BY)
@ -426,6 +436,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 4
Handler_read_rnd_deleted 0
Handler_read_rnd_next 41
set optimizer_switch='subquery_cache=off';
flush status;
@ -447,6 +458,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 4
Handler_read_rnd_deleted 0
Handler_read_rnd_next 91
set optimizer_switch='subquery_cache=on';
#single value subquery test (ORDER BY)
@ -475,6 +487,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 10
Handler_read_rnd_deleted 0
Handler_read_rnd_next 42
set optimizer_switch='subquery_cache=off';
flush status;
@ -502,6 +515,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 10
Handler_read_rnd_deleted 0
Handler_read_rnd_next 72
set optimizer_switch='subquery_cache=on';
#single value subquery test (distinct ORDER BY)
@ -524,7 +538,8 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 4
Handler_read_rnd_next 37
Handler_read_rnd_deleted 1
Handler_read_rnd_next 36
set optimizer_switch='subquery_cache=off';
flush status;
select distinct a from t1 ORDER BY (select d from t2 where b=c);
@ -545,7 +560,8 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 4
Handler_read_rnd_next 67
Handler_read_rnd_deleted 1
Handler_read_rnd_next 66
set optimizer_switch='subquery_cache=on';
#single value subquery test (LEFT JOIN ON)
flush status;
@ -643,6 +659,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 141
set optimizer_switch='subquery_cache=off';
flush status;
@ -740,6 +757,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 671
set optimizer_switch='subquery_cache=on';
#single value subquery test (PS)
@ -1364,6 +1382,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 145
set optimizer_switch='subquery_cache=on';
flush status;
@ -1393,6 +1412,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 84
#several subqueries (several levels)
set optimizer_switch='subquery_cache=off';
@ -1425,6 +1445,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 127
set optimizer_switch='subquery_cache=on';
flush status;
@ -1454,6 +1475,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 69
#clean up
drop table t1,t2;
@ -1644,6 +1666,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 8
Handler_read_rnd_deleted 0
Handler_read_rnd_next 57
set optimizer_switch='subquery_cache=on';
flush status;
@ -1669,6 +1692,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 8
Handler_read_rnd_deleted 0
Handler_read_rnd_next 37
argument of aggregate function as parameter of subquery (illegal use)
set optimizer_switch='subquery_cache=off';
@ -1695,6 +1719,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 8
Handler_read_rnd_deleted 0
Handler_read_rnd_next 57
set optimizer_switch='subquery_cache=on';
flush status;
@ -1720,6 +1745,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 8
Handler_read_rnd_deleted 0
Handler_read_rnd_next 41
drop table t1,t2;
#test of flattening subquery optimisations and cache
@ -1761,6 +1787,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 16
alter table t2 drop primary key;
set optimizer_switch='default,semijoin=off,materialization=off,subquery_cache=off';
@ -1798,6 +1825,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 151
set optimizer_switch='default,semijoin=off,materialization=off,subquery_cache=on';
explain select * from t1 where a in (select pk from t2);
@ -1834,6 +1862,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 43
set optimizer_switch='default,semijoin=off,materialization=on,subquery_cache=on';
explain select * from t1 where a in (select pk from t2);
@ -1870,6 +1899,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 27
drop table t0,t1,t2;
set optimizer_switch='default';

39
mysql-test/r/subselect_mat.result
View File

@ -1793,7 +1793,7 @@ SELECT * FROM t1
WHERE a IN ( SELECT MIN(a) FROM t1 );
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select 8 AS `a` from dual where <expr_cache><8>(<in_optimizer>(8,<exists>(select min(`test`.`t1`.`a`) from `test`.`t1` having (<cache>(8) = <ref_null_helper>(min(`test`.`t1`.`a`))))))
DROP TABLE t1;
@ -1811,6 +1811,43 @@ a b c
4 4 2
4 4 4
DROP TABLE t1,t2;
#
# BUG#922254: Assertion `0' failed at item_cmpfunc.cc:5899: Item* Item_equal::get_first(JOIN_TAB*, Item*)
#
CREATE TABLE t1 ( a VARCHAR(3) );
CREATE TABLE t2 ( b VARCHAR(3), c VARCHAR(8), KEY(c) );
INSERT INTO t2 VALUES ('USA','Abilene'),('USA','Akron');
EXPLAIN
SELECT * FROM
( SELECT * FROM t1 ) AS alias1,
t2 AS alias2
WHERE b = a AND a IN (
SELECT alias3.c
FROM t2 AS alias3, t2 AS alias4
WHERE alias4.c = alias3.b
);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
3 MATERIALIZED alias3 ALL NULL NULL NULL NULL 2
3 MATERIALIZED alias4 index c c 11 NULL 2 Using where; Using index; Using join buffer (flat, BNL join)
DROP TABLE t1,t2;
#
# BUG#928048: Query containing IN subquery with OR in the where clause returns a wrong result
#
create table t1 (a int, b int);
insert into t1 values (7,5), (3,3), (5,4), (9,3);
create table t2 (a int, b int, index i_a(a));
insert into t2 values
(4,2), (7,9), (7,4), (3,1), (5,3), (3,1), (9,4), (8,1);
explain select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where
2 MATERIALIZED t2 ALL i_a NULL NULL NULL 8 Using where
select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
a b
7 5
3 3
drop table t1,t2;
# This must be at the end:
set optimizer_switch=@subselect_sj_mat_tmp;
set join_cache_level=@save_join_cache_level;

242
mysql-test/r/subselect_no_mat.result
View File

@ -4622,6 +4622,13 @@ CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
EXPLAIN EXTENDED
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <nop>(<in_optimizer>(1,((select max(`test`.`t1`.`a1`) from `test`.`t1`) > 1)))
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1
1
@ -5324,7 +5331,6 @@ EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
WHERE t1.a = d1.a;
ERROR 42S22: Unknown column 'd1.a' in 'where clause'
DROP TABLE t1;
End of 5.1 tests.
Set up test tables.
CREATE TABLE t1 (
t1_id INT UNSIGNED,
@ -5848,10 +5854,159 @@ NULL
NULL
5
DROP TABLE t1, t2, t3;
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
create table t2(i int);
insert into t2 values(0);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
CREATE VIEW v1 AS
SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
;
CREATE TABLE t1 (
pk int NOT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
PRIMARY KEY (pk),
KEY col_varchar_key (col_varchar_key)
);
SELECT t1.pk
FROM t1
WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
;
pk
SET SESSION sql_mode=@old_sql_mode;
drop table t2, t1;
drop view v1;
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
#
CREATE TABLE t1 (a INT, b INT, INDEX (a));
INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 5 const 1
EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 SUBQUERY t1 ref a a 5 const 1 Using index
DROP TABLE t1;
#
# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
# (duplicate of LP bug #888456)
#
CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('v'),('s');
CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
('d'),('y'),('t'),('d'),('s');
EXPLAIN
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
WHERE EXISTS (SELECT DISTINCT f1_key FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY table1 ALL NULL NULL NULL NULL 2
1 PRIMARY table2 index NULL f1_key 4 NULL 10 Using where; Using index; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t2 index f1_key f1_key 4 NULL 10 Using where; Using index
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
WHERE EXISTS (SELECT DISTINCT f1_key FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
f1 f1_key
v j
s j
v v
s v
v c
s c
v m
s m
v d
s d
v d
s d
v y
s y
v t
s t
v d
s d
v s
s s
DROP TABLE t1,t2;
#
# LP bug 919427: EXPLAIN for a query over a single-row table
# with IN subquery in WHERE condition
#
CREATE TABLE ot (
col_int_nokey int(11),
col_varchar_nokey varchar(1)
) ;
INSERT INTO ot VALUES (1,'x');
CREATE TABLE it1(
col_int_key int(11),
col_varchar_key varchar(1),
KEY idx_cvk_cik (col_varchar_key,col_int_key)
);
INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');
CREATE TABLE it2 (
col_int_key int(11),
col_varchar_key varchar(1),
col_varchar_key2 varchar(1),
KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
KEY idx_cvk_cik (col_varchar_key, col_int_key)
);
INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');
EXPLAIN
SELECT col_int_nokey FROM ot
WHERE col_varchar_nokey IN
(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot system NULL NULL NULL NULL 1
1 PRIMARY it1 ref idx_cvk_cik idx_cvk_cik 9 const,const 1 Using where; Using index; FirstMatch(ot)
SELECT col_int_nokey FROM ot
WHERE col_varchar_nokey IN
(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
col_int_nokey
1
EXPLAIN
SELECT col_int_nokey FROM ot
WHERE (col_varchar_nokey, 'x') IN
(SELECT col_varchar_key, col_varchar_key2 FROM it2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot system NULL NULL NULL NULL 1
1 PRIMARY it2 ref idx_cvk_cvk2_cik,idx_cvk_cik idx_cvk_cvk2_cik 8 const,const 1 Using where; Using index; FirstMatch(ot)
SELECT col_int_nokey FROM ot
WHERE (col_varchar_nokey, 'x') IN
(SELECT col_varchar_key, col_varchar_key2 FROM it2);
col_int_nokey
1
DROP TABLE ot,it1,it2;
End of 5.2 tests
#
# BUG#779885: Crash in eliminate_item_equal with materialization=on in
# maria-5.3
#
CREATE TABLE t1 ( f1 int );
INSERT INTO t1 VALUES (19), (20);
@ -5898,32 +6053,6 @@ b c
9 NULL
SET optimizer_switch=@save_optimizer_switch;
drop table t1, t2, t3;
End of 5.3 tests
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
@ -5946,6 +6075,54 @@ id select_type table type possible_keys key key_len ref rows Extra
DROP TABLE t1;
#
# Bug#11764086: Null left operand to NOT IN in WHERE clause
# behaves differently than real NULL
#
CREATE TABLE parent (id int);
INSERT INTO parent VALUES (1), (2);
CREATE TABLE child (parent_id int, other int);
INSERT INTO child VALUES (1,NULL);
# Offending query (c.parent_id is NULL for null-complemented rows only)
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id NOT IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
);
id parent_id
1 1
2 NULL
# Some syntactic variations with IS FALSE and IS NOT TRUE
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS NOT TRUE;
id parent_id
1 1
2 NULL
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS FALSE;
id parent_id
1 1
2 NULL
DROP TABLE parent, child;
# End of test for bug#11764086.
#
# Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET ||
# BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
#
@ -6284,6 +6461,15 @@ SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;
1
NULL
drop table t1,t2,t3;
#
# LP BUG#905353 Wrong non-empty result with a constant table,
# aggregate function in subquery, MyISAM or Aria
#
CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);
SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );
a
drop table t1;
# return optimizer switch changed in the beginning of this test
set optimizer_switch=@subselect_tmp;
set optimizer_switch=default;

242
mysql-test/r/subselect_no_opts.result
View File

@ -4618,6 +4618,13 @@ CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
EXPLAIN EXTENDED
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <nop>(<in_optimizer>(1,((select max(`test`.`t1`.`a1`) from `test`.`t1`) > 1)))
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1
1
@ -5320,7 +5327,6 @@ EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
WHERE t1.a = d1.a;
ERROR 42S22: Unknown column 'd1.a' in 'where clause'
DROP TABLE t1;
End of 5.1 tests.
Set up test tables.
CREATE TABLE t1 (
t1_id INT UNSIGNED,
@ -5844,10 +5850,159 @@ NULL
NULL
5
DROP TABLE t1, t2, t3;
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
create table t2(i int);
insert into t2 values(0);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
CREATE VIEW v1 AS
SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
;
CREATE TABLE t1 (
pk int NOT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
PRIMARY KEY (pk),
KEY col_varchar_key (col_varchar_key)
);
SELECT t1.pk
FROM t1
WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
;
pk
SET SESSION sql_mode=@old_sql_mode;
drop table t2, t1;
drop view v1;
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
#
CREATE TABLE t1 (a INT, b INT, INDEX (a));
INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 5 const 1
EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 SUBQUERY t1 ref a a 5 const 1 Using index
DROP TABLE t1;
#
# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
# (duplicate of LP bug #888456)
#
CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('v'),('s');
CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
('d'),('y'),('t'),('d'),('s');
EXPLAIN
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
WHERE EXISTS (SELECT DISTINCT f1_key FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY table1 ALL NULL NULL NULL NULL 2
1 PRIMARY table2 index NULL f1_key 4 NULL 10 Using where; Using index; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t2 index f1_key f1_key 4 NULL 10 Using where; Using index
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
WHERE EXISTS (SELECT DISTINCT f1_key FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
f1 f1_key
v j
s j
v v
s v
v c
s c
v m
s m
v d
s d
v d
s d
v y
s y
v t
s t
v d
s d
v s
s s
DROP TABLE t1,t2;
#
# LP bug 919427: EXPLAIN for a query over a single-row table
# with IN subquery in WHERE condition
#
CREATE TABLE ot (
col_int_nokey int(11),
col_varchar_nokey varchar(1)
) ;
INSERT INTO ot VALUES (1,'x');
CREATE TABLE it1(
col_int_key int(11),
col_varchar_key varchar(1),
KEY idx_cvk_cik (col_varchar_key,col_int_key)
);
INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');
CREATE TABLE it2 (
col_int_key int(11),
col_varchar_key varchar(1),
col_varchar_key2 varchar(1),
KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
KEY idx_cvk_cik (col_varchar_key, col_int_key)
);
INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');
EXPLAIN
SELECT col_int_nokey FROM ot
WHERE col_varchar_nokey IN
(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY it1 index_subquery idx_cvk_cik idx_cvk_cik 9 func,const 2 Using index; Using where
SELECT col_int_nokey FROM ot
WHERE col_varchar_nokey IN
(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
col_int_nokey
1
EXPLAIN
SELECT col_int_nokey FROM ot
WHERE (col_varchar_nokey, 'x') IN
(SELECT col_varchar_key, col_varchar_key2 FROM it2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY it2 index_subquery idx_cvk_cvk2_cik,idx_cvk_cik idx_cvk_cvk2_cik 8 func,const 1 Using index; Using where
SELECT col_int_nokey FROM ot
WHERE (col_varchar_nokey, 'x') IN
(SELECT col_varchar_key, col_varchar_key2 FROM it2);
col_int_nokey
1
DROP TABLE ot,it1,it2;
End of 5.2 tests
#
# BUG#779885: Crash in eliminate_item_equal with materialization=on in
# maria-5.3
#
CREATE TABLE t1 ( f1 int );
INSERT INTO t1 VALUES (19), (20);
@ -5894,32 +6049,6 @@ b c
9 NULL
SET optimizer_switch=@save_optimizer_switch;
drop table t1, t2, t3;
End of 5.3 tests
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
@ -5942,6 +6071,54 @@ id select_type table type possible_keys key key_len ref rows Extra
DROP TABLE t1;
#
# Bug#11764086: Null left operand to NOT IN in WHERE clause
# behaves differently than real NULL
#
CREATE TABLE parent (id int);
INSERT INTO parent VALUES (1), (2);
CREATE TABLE child (parent_id int, other int);
INSERT INTO child VALUES (1,NULL);
# Offending query (c.parent_id is NULL for null-complemented rows only)
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id NOT IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
);
id parent_id
1 1
2 NULL
# Some syntactic variations with IS FALSE and IS NOT TRUE
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS NOT TRUE;
id parent_id
1 1
2 NULL
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS FALSE;
id parent_id
1 1
2 NULL
DROP TABLE parent, child;
# End of test for bug#11764086.
#
# Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET ||
# BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
#
@ -6280,6 +6457,15 @@ SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;
1
NULL
drop table t1,t2,t3;
#
# LP BUG#905353 Wrong non-empty result with a constant table,
# aggregate function in subquery, MyISAM or Aria
#
CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);
SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );
a
drop table t1;
# return optimizer switch changed in the beginning of this test
set optimizer_switch=@subselect_tmp;
set @optimizer_switch_for_subselect_test=null;

244
mysql-test/r/subselect_no_scache.result
View File

@ -4626,6 +4626,13 @@ CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
EXPLAIN EXTENDED
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <nop>(<in_optimizer>(1,((select max(`test`.`t1`.`a1`) from `test`.`t1`) > 1)))
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1
1
@ -5328,7 +5335,6 @@ EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
WHERE t1.a = d1.a;
ERROR 42S22: Unknown column 'd1.a' in 'where clause'
DROP TABLE t1;
End of 5.1 tests.
Set up test tables.
CREATE TABLE t1 (
t1_id INT UNSIGNED,
@ -5853,10 +5859,161 @@ NULL
NULL
5
DROP TABLE t1, t2, t3;
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
create table t2(i int);
insert into t2 values(0);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
CREATE VIEW v1 AS
SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
;
CREATE TABLE t1 (
pk int NOT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
PRIMARY KEY (pk),
KEY col_varchar_key (col_varchar_key)
);
SELECT t1.pk
FROM t1
WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
;
pk
SET SESSION sql_mode=@old_sql_mode;
drop table t2, t1;
drop view v1;
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
#
CREATE TABLE t1 (a INT, b INT, INDEX (a));
INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 5 const 1
EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 SUBQUERY t1 ref a a 5 const 1 Using index
DROP TABLE t1;
#
# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
# (duplicate of LP bug #888456)
#
CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('v'),('s');
CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
('d'),('y'),('t'),('d'),('s');
EXPLAIN
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
WHERE EXISTS (SELECT DISTINCT f1_key FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY table1 ALL NULL NULL NULL NULL 2
1 PRIMARY table2 index NULL f1_key 4 NULL 10 Using where; Using index; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t2 index f1_key f1_key 4 NULL 10 Using where; Using index
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
WHERE EXISTS (SELECT DISTINCT f1_key FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
f1 f1_key
v j
s j
v v
s v
v c
s c
v m
s m
v d
s d
v d
s d
v y
s y
v t
s t
v d
s d
v s
s s
DROP TABLE t1,t2;
#
# LP bug 919427: EXPLAIN for a query over a single-row table
# with IN subquery in WHERE condition
#
CREATE TABLE ot (
col_int_nokey int(11),
col_varchar_nokey varchar(1)
) ;
INSERT INTO ot VALUES (1,'x');
CREATE TABLE it1(
col_int_key int(11),
col_varchar_key varchar(1),
KEY idx_cvk_cik (col_varchar_key,col_int_key)
);
INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');
CREATE TABLE it2 (
col_int_key int(11),
col_varchar_key varchar(1),
col_varchar_key2 varchar(1),
KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
KEY idx_cvk_cik (col_varchar_key, col_int_key)
);
INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');
EXPLAIN
SELECT col_int_nokey FROM ot
WHERE col_varchar_nokey IN
(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot system NULL NULL NULL NULL 1
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
2 MATERIALIZED it1 ref idx_cvk_cik idx_cvk_cik 9 const,const 1 Using where; Using index
SELECT col_int_nokey FROM ot
WHERE col_varchar_nokey IN
(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
col_int_nokey
1
EXPLAIN
SELECT col_int_nokey FROM ot
WHERE (col_varchar_nokey, 'x') IN
(SELECT col_varchar_key, col_varchar_key2 FROM it2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot system NULL NULL NULL NULL 1
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 10 func,func 1
2 MATERIALIZED it2 ref idx_cvk_cvk2_cik,idx_cvk_cik idx_cvk_cvk2_cik 8 const,const 1 Using where; Using index
SELECT col_int_nokey FROM ot
WHERE (col_varchar_nokey, 'x') IN
(SELECT col_varchar_key, col_varchar_key2 FROM it2);
col_int_nokey
1
DROP TABLE ot,it1,it2;
End of 5.2 tests
#
# BUG#779885: Crash in eliminate_item_equal with materialization=on in
# maria-5.3
#
CREATE TABLE t1 ( f1 int );
INSERT INTO t1 VALUES (19), (20);
@ -5903,32 +6060,6 @@ b c
9 NULL
SET optimizer_switch=@save_optimizer_switch;
drop table t1, t2, t3;
End of 5.3 tests
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
@ -5951,6 +6082,54 @@ id select_type table type possible_keys key key_len ref rows Extra
DROP TABLE t1;
#
# Bug#11764086: Null left operand to NOT IN in WHERE clause
# behaves differently than real NULL
#
CREATE TABLE parent (id int);
INSERT INTO parent VALUES (1), (2);
CREATE TABLE child (parent_id int, other int);
INSERT INTO child VALUES (1,NULL);
# Offending query (c.parent_id is NULL for null-complemented rows only)
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id NOT IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
);
id parent_id
1 1
2 NULL
# Some syntactic variations with IS FALSE and IS NOT TRUE
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS NOT TRUE;
id parent_id
1 1
2 NULL
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS FALSE;
id parent_id
1 1
2 NULL
DROP TABLE parent, child;
# End of test for bug#11764086.
#
# Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET ||
# BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
#
@ -6289,6 +6468,15 @@ SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;
1
NULL
drop table t1,t2,t3;
#
# LP BUG#905353 Wrong non-empty result with a constant table,
# aggregate function in subquery, MyISAM or Aria
#
CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);
SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );
a
drop table t1;
# return optimizer switch changed in the beginning of this test
set optimizer_switch=@subselect_tmp;
set optimizer_switch=default;

242
mysql-test/r/subselect_no_semijoin.result
View File

@ -4618,6 +4618,13 @@ CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
EXPLAIN EXTENDED
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <nop>(<in_optimizer>(1,((select max(`test`.`t1`.`a1`) from `test`.`t1`) > 1)))
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1
1
@ -5320,7 +5327,6 @@ EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
WHERE t1.a = d1.a;
ERROR 42S22: Unknown column 'd1.a' in 'where clause'
DROP TABLE t1;
End of 5.1 tests.
Set up test tables.
CREATE TABLE t1 (
t1_id INT UNSIGNED,
@ -5844,10 +5850,159 @@ NULL
NULL
5
DROP TABLE t1, t2, t3;
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
create table t2(i int);
insert into t2 values(0);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
CREATE VIEW v1 AS
SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
;
CREATE TABLE t1 (
pk int NOT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
PRIMARY KEY (pk),
KEY col_varchar_key (col_varchar_key)
);
SELECT t1.pk
FROM t1
WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
;
pk
SET SESSION sql_mode=@old_sql_mode;
drop table t2, t1;
drop view v1;
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
#
CREATE TABLE t1 (a INT, b INT, INDEX (a));
INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 5 const 1
EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 SUBQUERY t1 ref a a 5 const 1 Using index
DROP TABLE t1;
#
# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
# (duplicate of LP bug #888456)
#
CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('v'),('s');
CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
('d'),('y'),('t'),('d'),('s');
EXPLAIN
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
WHERE EXISTS (SELECT DISTINCT f1_key FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY table1 ALL NULL NULL NULL NULL 2
1 PRIMARY table2 index NULL f1_key 4 NULL 10 Using where; Using index; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t2 index f1_key f1_key 4 NULL 10 Using where; Using index
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
WHERE EXISTS (SELECT DISTINCT f1_key FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
f1 f1_key
v j
s j
v v
s v
v c
s c
v m
s m
v d
s d
v d
s d
v y
s y
v t
s t
v d
s d
v s
s s
DROP TABLE t1,t2;
#
# LP bug 919427: EXPLAIN for a query over a single-row table
# with IN subquery in WHERE condition
#
CREATE TABLE ot (
col_int_nokey int(11),
col_varchar_nokey varchar(1)
) ;
INSERT INTO ot VALUES (1,'x');
CREATE TABLE it1(
col_int_key int(11),
col_varchar_key varchar(1),
KEY idx_cvk_cik (col_varchar_key,col_int_key)
);
INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');
CREATE TABLE it2 (
col_int_key int(11),
col_varchar_key varchar(1),
col_varchar_key2 varchar(1),
KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
KEY idx_cvk_cik (col_varchar_key, col_int_key)
);
INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');
EXPLAIN
SELECT col_int_nokey FROM ot
WHERE col_varchar_nokey IN
(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY it1 index_subquery idx_cvk_cik idx_cvk_cik 9 func,const 2 Using index; Using where
SELECT col_int_nokey FROM ot
WHERE col_varchar_nokey IN
(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
col_int_nokey
1
EXPLAIN
SELECT col_int_nokey FROM ot
WHERE (col_varchar_nokey, 'x') IN
(SELECT col_varchar_key, col_varchar_key2 FROM it2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY it2 index_subquery idx_cvk_cvk2_cik,idx_cvk_cik idx_cvk_cvk2_cik 8 func,const 1 Using index; Using where
SELECT col_int_nokey FROM ot
WHERE (col_varchar_nokey, 'x') IN
(SELECT col_varchar_key, col_varchar_key2 FROM it2);
col_int_nokey
1
DROP TABLE ot,it1,it2;
End of 5.2 tests
#
# BUG#779885: Crash in eliminate_item_equal with materialization=on in
# maria-5.3
#
CREATE TABLE t1 ( f1 int );
INSERT INTO t1 VALUES (19), (20);
@ -5894,32 +6049,6 @@ b c
9 NULL
SET optimizer_switch=@save_optimizer_switch;
drop table t1, t2, t3;
End of 5.3 tests
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
@ -5942,6 +6071,54 @@ id select_type table type possible_keys key key_len ref rows Extra
DROP TABLE t1;
#
# Bug#11764086: Null left operand to NOT IN in WHERE clause
# behaves differently than real NULL
#
CREATE TABLE parent (id int);
INSERT INTO parent VALUES (1), (2);
CREATE TABLE child (parent_id int, other int);
INSERT INTO child VALUES (1,NULL);
# Offending query (c.parent_id is NULL for null-complemented rows only)
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id NOT IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
);
id parent_id
1 1
2 NULL
# Some syntactic variations with IS FALSE and IS NOT TRUE
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS NOT TRUE;
id parent_id
1 1
2 NULL
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS FALSE;
id parent_id
1 1
2 NULL
DROP TABLE parent, child;
# End of test for bug#11764086.
#
# Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET ||
# BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
#
@ -6280,6 +6457,15 @@ SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;
1
NULL
drop table t1,t2,t3;
#
# LP BUG#905353 Wrong non-empty result with a constant table,
# aggregate function in subquery, MyISAM or Aria
#
CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);
SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );
a
drop table t1;
# return optimizer switch changed in the beginning of this test
set optimizer_switch=@subselect_tmp;
set @optimizer_switch_for_subselect_test=null;

459
mysql-test/r/subselect_sj.result
View File

@ -1231,6 +1231,364 @@ IN (SELECT t3.pk, t3.pk FROM t2 LEFT JOIN t3 ON t3.varchar_key)
AND pk = 9;
datetime_key
DROP TABLE t1, t2, t3;
#
# BUG#53060: LooseScan semijoin strategy does not return all rows
#
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=on,materialization=off';
set optimizer_switch='firstmatch=off,loosescan=on';
CREATE TABLE t1 (i INTEGER);
INSERT INTO t1 VALUES (1), (2), (3), (4), (5);
CREATE TABLE t2 (i INTEGER, j INTEGER, KEY k(i, j));
INSERT INTO t2 VALUES (1, 0), (1, 1), (2, 0), (2, 1);
EXPLAIN
SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index k k 10 NULL 4 Using where; Using index; LooseScan
1 PRIMARY t1 ALL NULL NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join)
SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0);
i
1
2
DROP TABLE t1, t2;
set optimizer_switch=@save_optimizer_switch;
#
# BUG#49453: re-execution of prepared statement with view
# and semijoin crashes
#
CREATE TABLE t1 (city VARCHAR(50), country_id INT);
CREATE TABLE t2 (country_id INT, country VARCHAR(50));
INSERT INTO t1 VALUES
('Batna',2),('Bchar',2),('Skikda',2),('Tafuna',3),('Algeria',2) ;
INSERT INTO t2 VALUES (2,'Algeria'),(2,'AlgeriaDup'),(3,'XAmerican Samoa');
CREATE VIEW v1 AS
SELECT country_id as vf_country_id
FROM t2
WHERE LEFT(country,1) = "A";
PREPARE stmt FROM "
SELECT city, country_id
FROM t1
WHERE country_id IN (SELECT vf_country_id FROM v1);
";
EXECUTE stmt;
city country_id
Batna 2
Bchar 2
Skikda 2
Algeria 2
EXECUTE stmt;
city country_id
Batna 2
Bchar 2
Skikda 2
Algeria 2
DROP TABLE t1,t2;
DROP VIEW v1;
#
# Bug#54437 Extra rows with LEFT JOIN + semijoin
#
create table t1 (a int);
create table t2 (a int);
create table t3 (a int);
insert into t1 values(1),(1);
insert into t2 values(1),(1),(1),(1);
insert into t3 values(2),(2);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='materialization=off';
set optimizer_switch='semijoin=off';
explain
select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 4 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
a
1
1
set optimizer_switch='semijoin=on';
explain
select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY t2 ALL NULL NULL NULL NULL 4 Using where; Start temporary
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where; End temporary
select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
a
1
1
set optimizer_switch=@save_optimizer_switch;
drop table t1,t2,t3;
#
# Bug#55955: crash in MEMORY engine with IN(LEFT JOIN (JOIN))
#
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
CREATE TABLE t3 (a INT);
INSERT INTO t1 VALUES(1),(1);
INSERT INTO t2 VALUES(1),(1);
INSERT INTO t3 VALUES(2),(2);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=off';
EXPLAIN
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2inner ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
a
1
1
set optimizer_switch='semijoin=off,materialization=on';
EXPLAIN
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2
2 MATERIALIZED t2inner ALL NULL NULL NULL NULL 2
2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
a
1
1
set optimizer_switch='semijoin=on,materialization=off';
EXPLAIN
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Start temporary
1 PRIMARY t2inner ALL NULL NULL NULL NULL 2
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where; End temporary
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
a
1
1
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1,t2,t3;
#
# BUG#52329 - Wrong result: subquery materialization, IN,
# non-null field followed by nullable
#
CREATE TABLE t1 (a1 CHAR(8) NOT NULL, a2 char(8) NOT NULL);
CREATE TABLE t2a (b1 char(8), b2 char(8));
CREATE TABLE t2b (b1 CHAR(8), b2 char(8) NOT NULL);
CREATE TABLE t2c (b1 CHAR(8) NOT NULL, b2 char(8));
INSERT INTO t1 VALUES ('1 - 12', '2 - 22');
INSERT INTO t2a VALUES ('1 - 11', '2 - 21'),
('1 - 11', '2 - 21'),
('1 - 12', '2 - 22'),
('1 - 12', '2 - 22'),
('1 - 13', '2 - 23');
INSERT INTO t2b SELECT * FROM t2a;
INSERT INTO t2c SELECT * FROM t2a;
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=on';
SELECT * FROM t1
WHERE (a1, a2) IN (
SELECT b1, b2 FROM t2c WHERE b1 > '0' GROUP BY b1, b2);
a1 a2
1 - 12 2 - 22
SELECT * FROM t1
WHERE (a1, a2) IN (
SELECT b1, b2 FROM t2a WHERE b1 > '0');
a1 a2
1 - 12 2 - 22
SELECT * FROM t1
WHERE (a1, a2) IN (
SELECT b1, b2 FROM t2b WHERE b1 > '0');
a1 a2
1 - 12 2 - 22
SELECT * FROM t1
WHERE (a1, a2) IN (
SELECT b1, b2 FROM t2c WHERE b1 > '0');
a1 a2
1 - 12 2 - 22
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1,t2a,t2b,t2c;
#
# Bug#57623: subquery within before insert trigger causes crash (sj=on)
#
CREATE TABLE ot1(a INT);
CREATE TABLE ot2(a INT);
CREATE TABLE ot3(a INT);
CREATE TABLE it1(a INT);
INSERT INTO ot1 VALUES(0),(1),(2),(3),(4),(5),(6),(7);
INSERT INTO ot2 VALUES(0),(2),(4),(6);
INSERT INTO ot3 VALUES(0),(3),(6);
INSERT INTO it1 VALUES(0),(1),(2),(3),(4),(5),(6),(7);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=on';
set optimizer_switch='materialization=off';
explain SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot1 ALL NULL NULL NULL NULL 8
1 PRIMARY ot3 ALL NULL NULL NULL NULL 3 Using where
1 PRIMARY ot2 ALL NULL NULL NULL NULL 4 Using where
2 DEPENDENT SUBQUERY it1 ALL NULL NULL NULL NULL 8 Using where
SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
a a a
0 0 0
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
5 NULL NULL
6 6 6
7 NULL NULL
prepare s from 'SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1)';
execute s;
a a a
0 0 0
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
5 NULL NULL
6 6 6
7 NULL NULL
execute s;
a a a
0 0 0
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
5 NULL NULL
6 6 6
7 NULL NULL
deallocate prepare s;
set optimizer_switch='materialization=on';
explain SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot1 ALL NULL NULL NULL NULL 8
1 PRIMARY ot3 ALL NULL NULL NULL NULL 3 Using where
1 PRIMARY ot2 ALL NULL NULL NULL NULL 4 Using where
2 MATERIALIZED it1 ALL NULL NULL NULL NULL 8
SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
a a a
0 0 0
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
5 NULL NULL
6 6 6
7 NULL NULL
prepare s from 'SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1)';
execute s;
a a a
0 0 0
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
5 NULL NULL
6 6 6
7 NULL NULL
execute s;
a a a
0 0 0
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
5 NULL NULL
6 6 6
7 NULL NULL
deallocate prepare s;
set optimizer_switch=@save_optimizer_switch;
DROP TABLE ot1, ot2, ot3, it1;
#
# Bug#59919/11766739: Crash in tmp_table_param::init() with semijoin=on
#
CREATE TABLE t1 (f1 INTEGER) ENGINE=MyISAM;
CREATE TABLE t2 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
CREATE TABLE t3 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1,1), (2,1);
INSERT INTO t3 VALUES
(1,1), (2,1), (5,4), (7,3), (8,2), (8,1), (7,3),
(9,5), (4,3), (7,2), (7,7), (3,1), (5,8), (9,7);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=on';
EXPLAIN
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 14 Using where
2 MATERIALIZED t1 system NULL NULL NULL NULL 1
2 MATERIALIZED b1 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED b2 ALL NULL NULL NULL NULL 2
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
f1 f2
1 1
2 1
8 1
3 1
set optimizer_switch='semijoin=on,materialization=on';
EXPLAIN
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 1
1 PRIMARY t3 ALL NULL NULL NULL NULL 14 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED b1 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED b2 ALL NULL NULL NULL NULL 2
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
f1 f2
1 1
2 1
8 1
3 1
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1, t2, t3 ;
#
#
# BUG#784723: Wrong result with semijoin + nested subqueries in maria-5.3
#
@ -2179,4 +2537,105 @@ WHERE c = b AND b = a
a COUNT(*)
NULL 0
DROP TABLE t1, t2, t3;
#
# BUG#920255: Wrong result (extra rows) with loosescan and IN subquery
#
CREATE TABLE t1 ( a INT PRIMARY KEY, b INT, KEY(b) );
INSERT INTO t1 VALUES
(1,2),(2,1),(3,3),(4,2),(5,5),
(6,3),(7,1),(8,4),(9,3),(10,2);
CREATE TABLE t2 ( c INT, d INT, UNIQUE KEY(c) );
INSERT INTO t2 VALUES
(1,2),(2,1),(3,3),(4,2),(5,5),(6,3),(7,1);
SELECT a, b, d FROM t1, t2
WHERE ( b, d ) IN
( SELECT b, d FROM t1, t2 WHERE b = c );
a b d
2 1 2
7 1 2
2 1 2
7 1 2
1 2 1
4 2 1
10 2 1
1 2 1
4 2 1
10 2 1
3 3 3
6 3 3
9 3 3
3 3 3
6 3 3
9 3 3
8 4 2
8 4 2
5 5 5
DROP TABLE t1, t2;
#
# BUG#920713: Wrong result (missing rows) with firstmatch+BNL, IN subquery, ...
#
CREATE TABLE t1 ( a VARCHAR(1) ) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('e'),('w'),('a'),('h'),('x'),('k'),('g');
CREATE TABLE t2 ( b INT, c VARCHAR(1) );
INSERT INTO t2 VALUES (0,'j'),(8,'v');
SELECT * FROM t1 alias1, t2 alias2
WHERE alias2.c IN (
SELECT alias4.c FROM t1 alias3, t2 alias4
);
a b c
e 0 j
e 8 v
w 0 j
w 8 v
a 0 j
a 8 v
h 0 j
h 8 v
x 0 j
x 8 v
k 0 j
k 8 v
g 0 j
g 8 v
DROP TABLE t1, t2;
#
# BUG#923246: Loosescan reports different result than other semijoin methods
#
set @tmp_923246= @@optimizer_switch;
set optimizer_switch='mrr=on,materialization=off';
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (kp1 int, kp2 int, c int, filler char(100), key(kp1, kp2));
insert into t1 select A.a+10*(B.a+10*C.a), 0, 0, 'filler' from t0 A, t0 B, t0 C;
insert into t1 select * from t1 where kp1 < 20;
create table t3 (a int);
insert into t3 select A.a + 10*B.a from t0 A, t0 B;
select * from t3 where a in (select kp1 from t1 where kp1<20);
a
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
explain select * from t3 where a in (select kp1 from t1 where kp1<20);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range kp1 kp1 5 NULL 48 Using where; Using index; LooseScan
1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
drop table t0,t1,t3;
set optimizer_switch= @tmp_923246;
set optimizer_switch=@subselect_sj_tmp;

14
mysql-test/r/subselect_sj2.result
View File

@ -886,5 +886,19 @@ a b b a
c c NULL NULL
DROP VIEW v1;
DROP TABLE t1,t2,t3,t4;
#
# BUG#912538: Wrong result (missing rows) with semijoin=on, firstmatch=on, ...
#
CREATE TABLE t1 ( a INT NOT NULL, UNIQUE KEY(a) );
INSERT INTO t1 VALUES (1),(2),(3),(4);
CREATE TABLE t2 ( b INT, c INT ) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1,1);
SELECT * FROM t1, t2 WHERE c IN (SELECT c FROM t1, t2 WHERE a = b);
a b c
1 1 1
2 1 1
3 1 1
4 1 1
DROP TABLE t1,t2;
# This must be the last in the file:
set optimizer_switch=@subselect_sj2_tmp;

23
mysql-test/r/subselect_sj2_jcl6.result
View File

@ -900,6 +900,20 @@ a b b a
c c NULL NULL
DROP VIEW v1;
DROP TABLE t1,t2,t3,t4;
#
# BUG#912538: Wrong result (missing rows) with semijoin=on, firstmatch=on, ...
#
CREATE TABLE t1 ( a INT NOT NULL, UNIQUE KEY(a) );
INSERT INTO t1 VALUES (1),(2),(3),(4);
CREATE TABLE t2 ( b INT, c INT ) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1,1);
SELECT * FROM t1, t2 WHERE c IN (SELECT c FROM t1, t2 WHERE a = b);
a b c
1 1 1
2 1 1
3 1 1
4 1 1
DROP TABLE t1,t2;
# This must be the last in the file:
set optimizer_switch=@subselect_sj2_tmp;
#
@ -921,9 +935,9 @@ SELECT t3.* FROM t1 JOIN t3 ON t3.b = t1.b
WHERE c IN (SELECT t4.b FROM t4 JOIN t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 1 Using where
1 PRIMARY t2 ALL NULL NULL NULL NULL 1
1 PRIMARY t2 ALL NULL NULL NULL NULL 1 FirstMatch(t3)
1 PRIMARY t1 ref b b 4 test.t3.b 1 Using index
1 PRIMARY t4 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t2)
1 PRIMARY t4 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1)
SELECT t3.* FROM t1 JOIN t3 ON t3.b = t1.b
WHERE c IN (SELECT t4.b FROM t4 JOIN t2);
b c
@ -949,12 +963,13 @@ EXPLAIN
SELECT * FROM t1, t2 WHERE b IN (SELECT a FROM t3, t4 WHERE b = pk);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 1
1 PRIMARY t4 ALL NULL NULL NULL NULL 1 Using where
1 PRIMARY t4 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t2)
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t4.b 1 Using where; FirstMatch(t4)
1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t4.b 1 Using where; FirstMatch(t1)
SELECT * FROM t1, t2 WHERE b IN (SELECT a FROM t3, t4 WHERE b = pk);
pk a b
1 6 8
2 8 8
set optimizer_switch=@tmp_optimizer_switch;
set join_cache_level=default;
DROP TABLE t1,t2,t3,t4;

14
mysql-test/r/subselect_sj2_mat.result
View File

@ -888,6 +888,20 @@ a b b a
c c NULL NULL
DROP VIEW v1;
DROP TABLE t1,t2,t3,t4;
#
# BUG#912538: Wrong result (missing rows) with semijoin=on, firstmatch=on, ...
#
CREATE TABLE t1 ( a INT NOT NULL, UNIQUE KEY(a) );
INSERT INTO t1 VALUES (1),(2),(3),(4);
CREATE TABLE t2 ( b INT, c INT ) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1,1);
SELECT * FROM t1, t2 WHERE c IN (SELECT c FROM t1, t2 WHERE a = b);
a b c
1 1 1
2 1 1
3 1 1
4 1 1
DROP TABLE t1,t2;
# This must be the last in the file:
set optimizer_switch=@subselect_sj2_tmp;
set optimizer_switch=default;

488
mysql-test/r/subselect_sj_jcl6.result
View File

@ -1244,6 +1244,364 @@ IN (SELECT t3.pk, t3.pk FROM t2 LEFT JOIN t3 ON t3.varchar_key)
AND pk = 9;
datetime_key
DROP TABLE t1, t2, t3;
#
# BUG#53060: LooseScan semijoin strategy does not return all rows
#
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=on,materialization=off';
set optimizer_switch='firstmatch=off,loosescan=on';
CREATE TABLE t1 (i INTEGER);
INSERT INTO t1 VALUES (1), (2), (3), (4), (5);
CREATE TABLE t2 (i INTEGER, j INTEGER, KEY k(i, j));
INSERT INTO t2 VALUES (1, 0), (1, 1), (2, 0), (2, 1);
EXPLAIN
SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index k k 10 NULL 4 Using where; Using index; LooseScan
1 PRIMARY t1 ALL NULL NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join)
SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0);
i
1
2
DROP TABLE t1, t2;
set optimizer_switch=@save_optimizer_switch;
#
# BUG#49453: re-execution of prepared statement with view
# and semijoin crashes
#
CREATE TABLE t1 (city VARCHAR(50), country_id INT);
CREATE TABLE t2 (country_id INT, country VARCHAR(50));
INSERT INTO t1 VALUES
('Batna',2),('Bchar',2),('Skikda',2),('Tafuna',3),('Algeria',2) ;
INSERT INTO t2 VALUES (2,'Algeria'),(2,'AlgeriaDup'),(3,'XAmerican Samoa');
CREATE VIEW v1 AS
SELECT country_id as vf_country_id
FROM t2
WHERE LEFT(country,1) = "A";
PREPARE stmt FROM "
SELECT city, country_id
FROM t1
WHERE country_id IN (SELECT vf_country_id FROM v1);
";
EXECUTE stmt;
city country_id
Batna 2
Bchar 2
Skikda 2
Algeria 2
EXECUTE stmt;
city country_id
Batna 2
Bchar 2
Skikda 2
Algeria 2
DROP TABLE t1,t2;
DROP VIEW v1;
#
# Bug#54437 Extra rows with LEFT JOIN + semijoin
#
create table t1 (a int);
create table t2 (a int);
create table t3 (a int);
insert into t1 values(1),(1);
insert into t2 values(1),(1),(1),(1);
insert into t3 values(2),(2);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='materialization=off';
set optimizer_switch='semijoin=off';
explain
select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 4 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
a
1
1
set optimizer_switch='semijoin=on';
explain
select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY t2 ALL NULL NULL NULL NULL 4 Using where; Start temporary; Using join buffer (flat, BNL join)
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where; End temporary; Using join buffer (incremental, BNL join)
select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
a
1
1
set optimizer_switch=@save_optimizer_switch;
drop table t1,t2,t3;
#
# Bug#55955: crash in MEMORY engine with IN(LEFT JOIN (JOIN))
#
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
CREATE TABLE t3 (a INT);
INSERT INTO t1 VALUES(1),(1);
INSERT INTO t2 VALUES(1),(1);
INSERT INTO t3 VALUES(2),(2);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=off';
EXPLAIN
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2inner ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (incremental, BNL join)
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
a
1
1
set optimizer_switch='semijoin=off,materialization=on';
EXPLAIN
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2
2 MATERIALIZED t2inner ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (incremental, BNL join)
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
a
1
1
set optimizer_switch='semijoin=on,materialization=off';
EXPLAIN
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Start temporary; Using join buffer (flat, BNL join)
1 PRIMARY t2inner ALL NULL NULL NULL NULL 2 Using join buffer (incremental, BNL join)
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where; End temporary; Using join buffer (incremental, BNL join)
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
a
1
1
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1,t2,t3;
#
# BUG#52329 - Wrong result: subquery materialization, IN,
# non-null field followed by nullable
#
CREATE TABLE t1 (a1 CHAR(8) NOT NULL, a2 char(8) NOT NULL);
CREATE TABLE t2a (b1 char(8), b2 char(8));
CREATE TABLE t2b (b1 CHAR(8), b2 char(8) NOT NULL);
CREATE TABLE t2c (b1 CHAR(8) NOT NULL, b2 char(8));
INSERT INTO t1 VALUES ('1 - 12', '2 - 22');
INSERT INTO t2a VALUES ('1 - 11', '2 - 21'),
('1 - 11', '2 - 21'),
('1 - 12', '2 - 22'),
('1 - 12', '2 - 22'),
('1 - 13', '2 - 23');
INSERT INTO t2b SELECT * FROM t2a;
INSERT INTO t2c SELECT * FROM t2a;
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=on';
SELECT * FROM t1
WHERE (a1, a2) IN (
SELECT b1, b2 FROM t2c WHERE b1 > '0' GROUP BY b1, b2);
a1 a2
1 - 12 2 - 22
SELECT * FROM t1
WHERE (a1, a2) IN (
SELECT b1, b2 FROM t2a WHERE b1 > '0');
a1 a2
1 - 12 2 - 22
SELECT * FROM t1
WHERE (a1, a2) IN (
SELECT b1, b2 FROM t2b WHERE b1 > '0');
a1 a2
1 - 12 2 - 22
SELECT * FROM t1
WHERE (a1, a2) IN (
SELECT b1, b2 FROM t2c WHERE b1 > '0');
a1 a2
1 - 12 2 - 22
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1,t2a,t2b,t2c;
#
# Bug#57623: subquery within before insert trigger causes crash (sj=on)
#
CREATE TABLE ot1(a INT);
CREATE TABLE ot2(a INT);
CREATE TABLE ot3(a INT);
CREATE TABLE it1(a INT);
INSERT INTO ot1 VALUES(0),(1),(2),(3),(4),(5),(6),(7);
INSERT INTO ot2 VALUES(0),(2),(4),(6);
INSERT INTO ot3 VALUES(0),(3),(6);
INSERT INTO it1 VALUES(0),(1),(2),(3),(4),(5),(6),(7);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=on';
set optimizer_switch='materialization=off';
explain SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot1 ALL NULL NULL NULL NULL 8
1 PRIMARY ot3 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
1 PRIMARY ot2 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (incremental, BNL join)
2 DEPENDENT SUBQUERY it1 ALL NULL NULL NULL NULL 8 Using where
SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
a a a
0 0 0
6 6 6
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
5 NULL NULL
7 NULL NULL
prepare s from 'SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1)';
execute s;
a a a
0 0 0
6 6 6
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
5 NULL NULL
7 NULL NULL
execute s;
a a a
0 0 0
6 6 6
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
5 NULL NULL
7 NULL NULL
deallocate prepare s;
set optimizer_switch='materialization=on';
explain SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot1 ALL NULL NULL NULL NULL 8
1 PRIMARY ot3 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
1 PRIMARY ot2 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (incremental, BNL join)
2 MATERIALIZED it1 ALL NULL NULL NULL NULL 8
SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
a a a
0 0 0
6 6 6
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
5 NULL NULL
7 NULL NULL
prepare s from 'SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1)';
execute s;
a a a
0 0 0
6 6 6
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
5 NULL NULL
7 NULL NULL
execute s;
a a a
0 0 0
6 6 6
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
5 NULL NULL
7 NULL NULL
deallocate prepare s;
set optimizer_switch=@save_optimizer_switch;
DROP TABLE ot1, ot2, ot3, it1;
#
# Bug#59919/11766739: Crash in tmp_table_param::init() with semijoin=on
#
CREATE TABLE t1 (f1 INTEGER) ENGINE=MyISAM;
CREATE TABLE t2 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
CREATE TABLE t3 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1,1), (2,1);
INSERT INTO t3 VALUES
(1,1), (2,1), (5,4), (7,3), (8,2), (8,1), (7,3),
(9,5), (4,3), (7,2), (7,7), (3,1), (5,8), (9,7);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=on';
EXPLAIN
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 14 Using where
2 MATERIALIZED t1 system NULL NULL NULL NULL 1
2 MATERIALIZED b1 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED b2 ALL NULL NULL NULL NULL 2
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
f1 f2
1 1
2 1
8 1
3 1
set optimizer_switch='semijoin=on,materialization=on';
EXPLAIN
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 1
1 PRIMARY t3 ALL NULL NULL NULL NULL 14 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED b1 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED b2 ALL NULL NULL NULL NULL 2
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
f1 f2
1 1
2 1
8 1
3 1
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1, t2, t3 ;
#
#
# BUG#784723: Wrong result with semijoin + nested subqueries in maria-5.3
#
@ -2193,6 +2551,107 @@ WHERE c = b AND b = a
a COUNT(*)
NULL 0
DROP TABLE t1, t2, t3;
#
# BUG#920255: Wrong result (extra rows) with loosescan and IN subquery
#
CREATE TABLE t1 ( a INT PRIMARY KEY, b INT, KEY(b) );
INSERT INTO t1 VALUES
(1,2),(2,1),(3,3),(4,2),(5,5),
(6,3),(7,1),(8,4),(9,3),(10,2);
CREATE TABLE t2 ( c INT, d INT, UNIQUE KEY(c) );
INSERT INTO t2 VALUES
(1,2),(2,1),(3,3),(4,2),(5,5),(6,3),(7,1);
SELECT a, b, d FROM t1, t2
WHERE ( b, d ) IN
( SELECT b, d FROM t1, t2 WHERE b = c );
a b d
1 2 1
1 2 1
2 1 2
2 1 2
3 3 3
3 3 3
4 2 1
4 2 1
5 5 5
6 3 3
6 3 3
7 1 2
7 1 2
8 4 2
8 4 2
9 3 3
9 3 3
10 2 1
10 2 1
DROP TABLE t1, t2;
#
# BUG#920713: Wrong result (missing rows) with firstmatch+BNL, IN subquery, ...
#
CREATE TABLE t1 ( a VARCHAR(1) ) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('e'),('w'),('a'),('h'),('x'),('k'),('g');
CREATE TABLE t2 ( b INT, c VARCHAR(1) );
INSERT INTO t2 VALUES (0,'j'),(8,'v');
SELECT * FROM t1 alias1, t2 alias2
WHERE alias2.c IN (
SELECT alias4.c FROM t1 alias3, t2 alias4
);
a b c
e 0 j
e 8 v
w 0 j
w 8 v
a 0 j
a 8 v
h 0 j
h 8 v
x 0 j
x 8 v
k 0 j
k 8 v
g 0 j
g 8 v
DROP TABLE t1, t2;
#
# BUG#923246: Loosescan reports different result than other semijoin methods
#
set @tmp_923246= @@optimizer_switch;
set optimizer_switch='mrr=on,materialization=off';
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (kp1 int, kp2 int, c int, filler char(100), key(kp1, kp2));
insert into t1 select A.a+10*(B.a+10*C.a), 0, 0, 'filler' from t0 A, t0 B, t0 C;
insert into t1 select * from t1 where kp1 < 20;
create table t3 (a int);
insert into t3 select A.a + 10*B.a from t0 A, t0 B;
select * from t3 where a in (select kp1 from t1 where kp1<20);
a
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
explain select * from t3 where a in (select kp1 from t1 where kp1<20);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range kp1 kp1 5 NULL 48 Using where; Using index; LooseScan
1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
drop table t0,t1,t3;
set optimizer_switch= @tmp_923246;
set optimizer_switch=@subselect_sj_tmp;
#
# BUG#49129: Wrong result with IN-subquery with join_cache_level=6 and firstmatch=off
@ -2274,6 +2733,35 @@ w 5 19:11:10
set optimizer_switch=@save_optimizer_switch;
set join_cache_level=default;
DROP TABLE t1,t2,t3;
#
# BUG#912513: Wrong result (missing rows) with join_cache_hashed+materialization+semijoin=on
#
set @os_912513= @@optimizer_switch;
set @jcl_912513= @@join_cache_level;
SET optimizer_switch = 'semijoin=on,materialization=on,join_cache_hashed=on';
SET join_cache_level = 3;
CREATE TABLE t1 ( a INT, b INT, KEY(a) );
INSERT INTO t1 VALUES
(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7);
CREATE TABLE t2 ( c INT );
INSERT INTO t2 VALUES (1),(2),(3),(4),(5),(6),(7);
SELECT alias1.* FROM
t1 AS alias1 INNER JOIN t1 AS alias2
ON alias2.a = alias1.b
WHERE alias1.b IN (
SELECT a FROM t1, t2
);
a b
1 1
2 2
3 3
4 4
5 5
6 6
7 7
DROP table t1, t2;
set @@optimizer_switch= @os_912513;
set @@join_cache_level= @jcl_912513;
# End
set join_cache_level=default;
show variables like 'join_cache_level';

36
mysql-test/r/subselect_sj_mat.result
View File

@ -1849,6 +1849,42 @@ a b c
4 4 2
4 4 4
DROP TABLE t1,t2;
#
# BUG#922254: Assertion `0' failed at item_cmpfunc.cc:5899: Item* Item_equal::get_first(JOIN_TAB*, Item*)
#
CREATE TABLE t1 ( a VARCHAR(3) );
CREATE TABLE t2 ( b VARCHAR(3), c VARCHAR(8), KEY(c) );
INSERT INTO t2 VALUES ('USA','Abilene'),('USA','Akron');
EXPLAIN
SELECT * FROM
( SELECT * FROM t1 ) AS alias1,
t2 AS alias2
WHERE b = a AND a IN (
SELECT alias3.c
FROM t2 AS alias3, t2 AS alias4
WHERE alias4.c = alias3.b
);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
DROP TABLE t1,t2;
#
# BUG#928048: Query containing IN subquery with OR in the where clause returns a wrong result
#
create table t1 (a int, b int);
insert into t1 values (7,5), (3,3), (5,4), (9,3);
create table t2 (a int, b int, index i_a(a));
insert into t2 values
(4,2), (7,9), (7,4), (3,1), (5,3), (3,1), (9,4), (8,1);
explain select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
2 MATERIALIZED t2 ALL i_a NULL NULL NULL 8 Using where
select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
a b
7 5
3 3
drop table t1,t2;
# This must be at the end:
set optimizer_switch=@subselect_sj_mat_tmp;
set join_cache_level=@save_join_cache_level;

12
mysql-test/r/sum_distinct.result
View File

@ -95,3 +95,15 @@ SELECT SUM(DISTINCT id % 11) FROM t1;
SUM(DISTINCT id % 11)
55
DROP TABLE t1;
#
# Bug #777654: empty subselect in FROM clause returning
# SUM(DISTINCT) over non-nullable field
#
CREATE TABLE t1 (a int NOT NULL) ;
SELECT SUM(DISTINCT a) FROM t1;
SUM(DISTINCT a)
NULL
SELECT * FROM (SELECT SUM(DISTINCT a) FROM t1) AS t;
SUM(DISTINCT a)
NULL
DROP TABLE t1;

12
mysql-test/r/update.result
View File

@ -277,6 +277,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
flush status;
update t1 set a=9999 order by a limit 1;
@ -289,6 +290,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 2
Handler_read_rnd_deleted 0
Handler_read_rnd_next 9
flush status;
delete from t1 order by a limit 1;
@ -300,6 +302,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
flush status;
delete from t1 order by a desc limit 1;
@ -311,6 +314,7 @@ Handler_read_last 1
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
alter table t1 disable keys;
flush status;
@ -323,7 +327,8 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 1
Handler_read_rnd_next 9
Handler_read_rnd_deleted 2
Handler_read_rnd_next 7
select * from t1;
a b
0 0
@ -377,6 +382,7 @@ Handler_read_last 0
Handler_read_next 1
Handler_read_prev 0
Handler_read_rnd 1
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
drop table t1, t2;
create table t1(f1 int, `*f2` int);
@ -415,6 +421,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
SELECT user_id FROM t1 WHERE request_id=999999999999999999999999999999;
user_id
@ -426,6 +433,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
UPDATE t1 SET user_id=null WHERE request_id=9999999999999;
show status like '%Handler_read%';
@ -436,6 +444,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
UPDATE t1 SET user_id=null WHERE request_id=999999999999999999999999999999;
show status like '%Handler_read%';
@ -446,6 +455,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
DROP TABLE t1;
CREATE TABLE t1 (

64
mysql-test/r/view.result
View File

@ -304,7 +304,7 @@ a+1
4
explain select * from v1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 ALL NULL NULL NULL NULL 4 Using filesort
drop view v1;
drop table t1;
@ -4045,6 +4045,63 @@ drop table t1,t2;
# -- End of 5.1 tests.
# -----------------------------------------------------------------
#
# Bug #794005: crash in st_table::mark_virtual_columns_for_write
#
CREATE TABLE t1 (a int);
insert into t1 values (1);
CREATE TABLE t2 (a int);
insert into t2 values (1);
CREATE VIEW v2 AS SELECT * FROM t2;
CREATE VIEW v1 AS SELECT * FROM v2;
CREATE VIEW v3 AS SELECT t2.a,v1.a as b FROM t2,v1 where t2.a=v1.a;
CREATE OR REPLACE ALGORITHM = TEMPTABLE VIEW v2 AS SELECT * FROM t1;
UPDATE v1 SET a = 10;
ERROR HY000: The target table v1 of the UPDATE is not updatable
REPLACE v1 SET a = 10;
ERROR HY000: The target table v1 of the INSERT is not insertable-into
INSERT into v1 values (20);
ERROR HY000: The target table v1 of the INSERT is not insertable-into
DELETE from v1;
ERROR HY000: The target table v1 of the DELETE is not updatable
UPDATE v3 SET b= 10;
ERROR HY000: The target table v2 of the UPDATE is not updatable
REPLACE v3 SET b= 10;
ERROR HY000: The target table v3 of the INSERT is not insertable-into
INSERT into v3(b) values (20);
ERROR HY000: The target table v3 of the INSERT is not insertable-into
DELETE from v3 where b=20;
ERROR HY000: Can not delete from join view 'test.v3'
DELETE from v3 where a=20;
ERROR HY000: Can not delete from join view 'test.v3'
DELETE v1 from v1,t1 where v1.a=t1.a;
ERROR HY000: The target table v1 of the DELETE is not updatable
UPDATE v3 SET a = 10;
REPLACE v3 SET a = 11;
INSERT INTO v3(a) values (20);
select * from t1;
a
1
select * from t2;
a
10
11
20
CREATE OR REPLACE ALGORITHM = MERGE VIEW v2 AS SELECT * FROM t2;
DELETE from v1 where a=11;
DELETE v1 from v1,t1 where v1.a=t1.a;
select * from t1;
a
1
select * from t2;
a
10
20
DROP VIEW v1,v2,v3;
DROP TABLE t1,t2;
# -----------------------------------------------------------------
# -- End of 5.2 tests.
# -----------------------------------------------------------------
#
# Bug #59696 Optimizer does not use equalities for conditions over view
#
CREATE TABLE t1 (a int NOT NULL);
@ -4075,6 +4132,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
CREATE VIEW v AS SELECT * FROM t2;
EXPLAIN EXTENDED
@ -4097,6 +4155,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 17
DROP VIEW v;
DROP TABLE t1, t2;
@ -4569,4 +4628,7 @@ NULL NULL 1 0
NULL NULL 1 0
DROP VIEW v2;
DROP TABLE t1, t2, t3;
# -----------------------------------------------------------------
# -- End of 5.3 tests.
# -----------------------------------------------------------------
SET optimizer_switch=@save_optimizer_switch;

66
mysql-test/suite/maria/r/maria-gis-recovery.result Normal file
View File

@ -0,0 +1,66 @@
set global aria_log_file_size=4294967295;
Warnings:
Warning 1292 Truncated incorrect aria_log_file_size value: '4294967295'
drop database if exists mysqltest;
create database mysqltest;
use mysqltest;
* shut down mysqld, removed logs, restarted it
CREATE TABLE t1 (
i int,
shape GEOMETRY NOT NULL,
SPATIAL (shape)
) ENGINE=ARIA;
insert into t1 values(1,POINT(1, 1));
* copied t1 for feeding_recovery
insert into t1 values(2,POINT(2, 2)), (3,POINT(3, 3)), (4,POINT(4, 4));
flush table t1;
* copied t1 for comparison
SET SESSION debug_dbug="+d,maria_flush_whole_log,maria_crash";
* crashing mysqld intentionally
set global aria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* copied t1 back for feeding_recovery
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) DEFAULT NULL,
`shape` geometry NOT NULL,
SPATIAL KEY `shape` (`shape`)
) ENGINE=Aria DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1
* TEST of UPDATE vs state.auto_increment
* copied t1 for feeding_recovery
update t1 set shape=POINT(5, 5) where i=2;
flush table t1;
* copied t1 for comparison
SET SESSION debug_dbug="+d,maria_flush_whole_log,maria_crash";
* crashing mysqld intentionally
set global aria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* copied t1 back for feeding_recovery
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) DEFAULT NULL,
`shape` geometry NOT NULL,
SPATIAL KEY `shape` (`shape`)
) ENGINE=Aria DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1
drop table t1;
drop database mysqltest_for_feeding_recovery;
drop database mysqltest_for_comparison;
drop database mysqltest;

1
mysql-test/suite/maria/t/maria-gis-recovery.opt Normal file
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--skip-stack-trace --skip-core-file --loose-aria-log-dir-path=$MYSQLTEST_VARDIR/tmp

64
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--source include/not_embedded.inc
# Don't test this under valgrind, memory leaks will occur as we crash
--source include/not_valgrind.inc
# Binary must be compiled with debug for crash to occur
--source include/have_debug.inc
--source include/have_maria.inc
--source include/have_geometry.inc
set global aria_log_file_size=4294967295;
let $MARIA_LOG=../../tmp;
--disable_warnings
drop database if exists mysqltest;
--enable_warnings
create database mysqltest;
let $mms_tname=t;
# Include scripts can perform SQL. For it to not influence the main test
# they use a separate connection. This way if they use a DDL it would
# not autocommit in the main test.
connect (admin, localhost, root,,mysqltest,,);
--enable_reconnect
connection default;
use mysqltest;
--enable_reconnect
-- source include/maria_empty_logs.inc
let $mms_tables=1;
CREATE TABLE t1 (
i int,
shape GEOMETRY NOT NULL,
SPATIAL (shape)
) ENGINE=ARIA;
insert into t1 values(1,POINT(1, 1));
-- source include/maria_make_snapshot_for_feeding_recovery.inc
insert into t1 values(2,POINT(2, 2)), (3,POINT(3, 3)), (4,POINT(4, 4));
-- source include/maria_make_snapshot_for_comparison.inc
let $mvr_restore_old_snapshot=1;
let $mms_compare_physically=0;
let $mvr_debug_option="+d,maria_flush_whole_log,maria_crash";
let $mvr_crash_statement= set global aria_checkpoint_interval=1;
-- source include/maria_verify_recovery.inc
show create table t1;
# Test that UPDATE's effect on auto-increment is recovered
--echo * TEST of UPDATE vs state.auto_increment
-- source include/maria_make_snapshot_for_feeding_recovery.inc
update t1 set shape=POINT(5, 5) where i=2;
-- source include/maria_make_snapshot_for_comparison.inc
let $mvr_restore_old_snapshot=1;
let $mms_compare_physically=0;
let $mvr_debug_option="+d,maria_flush_whole_log,maria_crash";
let $mvr_crash_statement= set global aria_checkpoint_interval=1;
-- source include/maria_verify_recovery.inc
show create table t1;
drop table t1;
# clean up everything
let $mms_purpose=feeding_recovery;
eval drop database mysqltest_for_$mms_purpose;
let $mms_purpose=comparison;
eval drop database mysqltest_for_$mms_purpose;
drop database mysqltest;

733
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@ -1,733 +0,0 @@
drop table if exists t1,t2,t3;
create table t1 (a int not null,b int not null, primary key (a)) engine=heap comment="testing heaps" avg_row_length=100 min_rows=1 max_rows=100;
insert into t1 values(1,1),(2,2),(3,3),(4,4);
delete from t1 where a=1 or a=0;
show keys from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 PRIMARY 1 a NULL 3 NULL NULL HASH
select * from t1;
a b
2 2
3 3
4 4
select * from t1 where a=4;
a b
4 4
update t1 set b=5 where a=4;
update t1 set b=b+1 where a>=3;
replace t1 values (3,3);
select * from t1;
a b
2 2
3 3
4 6
alter table t1 add c int not null, add key (c,a);
drop table t1;
create table t1 (a int not null,b int not null, primary key (a)) engine=memory comment="testing heaps";
insert into t1 values(1,1),(2,2),(3,3),(4,4);
delete from t1 where a > 0;
select * from t1;
a b
drop table t1;
create table t1 (a int not null,b int not null, primary key (a)) engine=heap comment="testing heaps";
insert into t1 values(1,1),(2,2),(3,3),(4,4);
alter table t1 modify a int not null auto_increment, engine=myisam, comment="new myisam table";
select * from t1;
a b
1 1
2 2
3 3
4 4
drop table t1;
create table t1 (a int not null) engine=heap;
insert into t1 values (869751),(736494),(226312),(802616),(728912);
select * from t1 where a > 736494;
a
869751
802616
alter table t1 add unique uniq_id(a);
select * from t1 where a > 736494;
a
869751
802616
select * from t1 where a = 736494;
a
736494
select * from t1 where a=869751 or a=736494;
a
736494
869751
select * from t1 where a in (869751,736494,226312,802616);
a
226312
736494
802616
869751
alter table t1 engine=myisam;
explain select * from t1 where a in (869751,736494,226312,802616);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range uniq_id uniq_id 4 NULL 4 Using where; Using index
drop table t1;
create table t1 (x int not null, y int not null, key x (x), unique y (y))
engine=heap;
insert into t1 values (1,1),(2,2),(1,3),(2,4),(2,5),(2,6);
select * from t1 where x=1;
x y
1 3
1 1
select * from t1,t1 as t2 where t1.x=t2.y;
x y x y
1 1 1 1
2 2 2 2
1 3 1 1
2 4 2 2
2 5 2 2
2 6 2 2
explain select * from t1,t1 as t2 where t1.x=t2.y;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL x NULL NULL NULL 6
1 SIMPLE t2 eq_ref y y 4 test.t1.x 1
drop table t1;
create table t1 (a int) engine=heap;
insert into t1 values(1);
select max(a) from t1;
max(a)
1
drop table t1;
CREATE TABLE t1 ( a int not null default 0, b int not null default 0, key(a), key(b) ) ENGINE=HEAP;
insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6);
select * from t1 where a=1;
a b
1 6
1 5
1 4
1 3
1 2
1 1
insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6);
select * from t1 where a=1;
a b
1 6
1 5
1 4
1 3
1 2
1 1
1 6
1 5
1 4
1 3
1 2
1 1
drop table t1;
create table t1 (id int unsigned not null, primary key (id)) engine=HEAP;
insert into t1 values(1);
select max(id) from t1;
max(id)
1
insert into t1 values(2);
select max(id) from t1;
max(id)
2
replace into t1 values(1);
drop table t1;
create table t1 (n int) engine=heap;
drop table t1;
create table t1 (n int) engine=heap;
drop table if exists t1;
CREATE table t1(f1 int not null,f2 char(20) not
null,index(f2)) engine=heap;
INSERT into t1 set f1=12,f2="bill";
INSERT into t1 set f1=13,f2="bill";
INSERT into t1 set f1=14,f2="bill";
INSERT into t1 set f1=15,f2="bill";
INSERT into t1 set f1=16,f2="ted";
INSERT into t1 set f1=12,f2="ted";
INSERT into t1 set f1=12,f2="ted";
INSERT into t1 set f1=12,f2="ted";
INSERT into t1 set f1=12,f2="ted";
delete from t1 where f2="bill";
select * from t1;
f1 f2
16 ted
12 ted
12 ted
12 ted
12 ted
drop table t1;
create table t1 (btn char(10) not null, key(btn)) engine=heap;
insert into t1 values ("hello"),("hello"),("hello"),("hello"),("hello"),("a"),("b"),("c"),("d"),("e"),("f"),("g"),("h"),("i");
explain select * from t1 where btn like "q%";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL btn NULL NULL NULL 14 Using where
select * from t1 where btn like "q%";
btn
alter table t1 add column new_col char(1) not null, add key (btn,new_col), drop key btn;
update t1 set new_col=left(btn,1);
explain select * from t1 where btn="a";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL btn NULL NULL NULL 14 Using where
explain select * from t1 where btn="a" and new_col="a";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref btn btn 11 const,const 2 Using where
drop table t1;
CREATE TABLE t1 (
a int default NULL,
b int default NULL,
KEY a (a),
UNIQUE b (b)
) engine=heap;
INSERT INTO t1 VALUES (NULL,99),(99,NULL),(1,1),(2,2),(1,3);
SELECT * FROM t1 WHERE a=NULL;
a b
explain SELECT * FROM t1 WHERE a IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 5 const 2 Using where
SELECT * FROM t1 WHERE a<=>NULL;
a b
NULL 99
SELECT * FROM t1 WHERE b=NULL;
a b
explain SELECT * FROM t1 WHERE b IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref b b 5 const 1 Using where
SELECT * FROM t1 WHERE b<=>NULL;
a b
99 NULL
INSERT INTO t1 VALUES (1,3);
ERROR 23000: Duplicate entry '3' for key 'b'
DROP TABLE t1;
CREATE TABLE t1 (
a int default NULL,
key a (a)
) ENGINE=HEAP;
INSERT INTO t1 VALUES (10), (10), (10);
EXPLAIN SELECT * FROM t1 WHERE a=10;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 5 const 3
SELECT * FROM t1 WHERE a=10;
a
10
10
10
DROP TABLE t1;
CREATE TABLE t1 (a int not null, primary key(a)) engine=heap;
INSERT into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11);
DELETE from t1 where a < 100;
SELECT * from t1;
a
DROP TABLE t1;
CREATE TABLE `job_titles` (
`job_title_id` int(6) unsigned NOT NULL default '0',
`job_title` char(18) NOT NULL default '',
PRIMARY KEY (`job_title_id`),
UNIQUE KEY `job_title_id` (`job_title_id`,`job_title`)
) ENGINE=HEAP;
SELECT MAX(job_title_id) FROM job_titles;
MAX(job_title_id)
NULL
DROP TABLE job_titles;
CREATE TABLE t1 (a INT NOT NULL, B INT, KEY(B)) ENGINE=HEAP;
INSERT INTO t1 VALUES(1,1), (1,NULL);
SELECT * FROM t1 WHERE B is not null;
a B
1 1
DROP TABLE t1;
CREATE TABLE t1 (pseudo char(35) PRIMARY KEY, date int(10) unsigned NOT NULL) ENGINE=HEAP;
INSERT INTO t1 VALUES ('massecot',1101106491),('altec',1101106492),('stitch+',1101106304),('Seb Corgan',1101106305),('beerfilou',1101106263),('flaker',1101106529),('joce8',5),('M4vrick',1101106418),('gabay008',1101106525),('Vamp irX',1101106291),('ZoomZip',1101106546),('rip666',1101106502),('CBP ',1101106397),('guezpard',1101106496);
DELETE FROM t1 WHERE date<1101106546;
SELECT * FROM t1;
pseudo date
ZoomZip 1101106546
DROP TABLE t1;
create table t1(a char(2)) engine=memory;
insert into t1 values (NULL), (NULL);
delete from t1 where a is null;
insert into t1 values ('2'), ('3');
select * from t1;
a
3
2
drop table t1;
set storage_engine=HEAP;
create table t1 (v varchar(10), c char(10), t varchar(50));
insert into t1 values('+ ', '+ ', '+ ');
set @a=repeat(' ',20);
insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a));
Warnings:
Note 1265 Data truncated for column 'v' at row 1
select concat('*',v,'*',c,'*',t,'*') from t1;
concat('*',v,'*',c,'*',t,'*')
*+ *+*+ *
*+ *+*+ *
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(10) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` varchar(50) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
create table t2 like t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`v` varchar(10) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` varchar(50) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
create table t3 select * from t1;
show create table t3;
Table Create Table
t3 CREATE TABLE `t3` (
`v` varchar(10) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` varchar(50) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
alter table t1 modify c varchar(10);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(10) DEFAULT NULL,
`c` varchar(10) DEFAULT NULL,
`t` varchar(50) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
alter table t1 modify v char(10);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` char(10) DEFAULT NULL,
`c` varchar(10) DEFAULT NULL,
`t` varchar(50) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
alter table t1 modify t varchar(10);
Warnings:
Warning 1265 Data truncated for column 't' at row 2
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` char(10) DEFAULT NULL,
`c` varchar(10) DEFAULT NULL,
`t` varchar(10) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
select concat('*',v,'*',c,'*',t,'*') from t1;
concat('*',v,'*',c,'*',t,'*')
*+*+*+ *
*+*+*+ *
drop table t1,t2,t3;
create table t1 (v varchar(10), c char(10), t varchar(50), key(v), key(c), key(t(10)));
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(10) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` varchar(50) DEFAULT NULL,
KEY `v` (`v`),
KEY `c` (`c`),
KEY `t` (`t`(10))
) ENGINE=MEMORY DEFAULT CHARSET=latin1
select count(*) from t1;
count(*)
270
insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1)));
select count(*) from t1 where v='a';
count(*)
10
select count(*) from t1 where c='a';
count(*)
10
select count(*) from t1 where t='a';
count(*)
10
select count(*) from t1 where v='a ';
count(*)
10
select count(*) from t1 where c='a ';
count(*)
10
select count(*) from t1 where t='a ';
count(*)
10
select count(*) from t1 where v between 'a' and 'a ';
count(*)
10
select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
count(*)
10
select count(*) from t1 where v like 'a%';
count(*)
11
select count(*) from t1 where c like 'a%';
count(*)
11
select count(*) from t1 where t like 'a%';
count(*)
11
select count(*) from t1 where v like 'a %';
count(*)
9
explain select count(*) from t1 where v='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 13 const 10 Using where
explain select count(*) from t1 where c='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c c 11 const 10 Using where
explain select count(*) from t1 where t='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref t t 13 const 10 Using where
explain select count(*) from t1 where v like 'a%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL v NULL NULL NULL 271 Using where
explain select count(*) from t1 where v between 'a' and 'a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 13 const 10 Using where
explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 13 const 10 Using where
alter table t1 add unique(v);
ERROR 23000: Duplicate entry '{ ' for key 'v_2'
select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a' order by length(concat('*',v,'*',c,'*',t,'*'));
qq
*a*a*a*
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 13 const 10 Using where
select v,count(*) from t1 group by v limit 10;
v count(*)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select v,count(t) from t1 group by v limit 10;
v count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select v,count(c) from t1 group by v limit 10;
v count(c)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select sql_big_result trim(v),count(t) from t1 group by v limit 10;
trim(v) count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select sql_big_result trim(v),count(c) from t1 group by v limit 10;
trim(v) count(c)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select c,count(*) from t1 group by c limit 10;
c count(*)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select c,count(t) from t1 group by c limit 10;
c count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select sql_big_result c,count(t) from t1 group by c limit 10;
c count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select t,count(*) from t1 group by t limit 10;
t count(*)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select t,count(t) from t1 group by t limit 10;
t count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select sql_big_result trim(t),count(t) from t1 group by t limit 10;
trim(t) count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
drop table t1;
create table t1 (a char(10), unique (a));
insert into t1 values ('a');
insert into t1 values ('a ');
ERROR 23000: Duplicate entry 'a' for key 'a'
alter table t1 modify a varchar(10);
insert into t1 values ('a '),('a '),('a '),('a ');
ERROR 23000: Duplicate entry 'a ' for key 'a'
insert into t1 values ('a ');
ERROR 23000: Duplicate entry 'a ' for key 'a'
insert into t1 values ('a ');
ERROR 23000: Duplicate entry 'a ' for key 'a'
insert into t1 values ('a ');
ERROR 23000: Duplicate entry 'a ' for key 'a'
update t1 set a='a ' where a like 'a ';
update t1 set a='a ' where a like 'a ';
drop table t1;
create table t1 (v varchar(10), c char(10), t varchar(50), key using btree (v), key using btree (c), key using btree (t(10)));
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(10) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` varchar(50) DEFAULT NULL,
KEY `v` (`v`) USING BTREE,
KEY `c` (`c`) USING BTREE,
KEY `t` (`t`(10)) USING BTREE
) ENGINE=MEMORY DEFAULT CHARSET=latin1
select count(*) from t1;
count(*)
270
insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1)));
select count(*) from t1 where v='a';
count(*)
10
select count(*) from t1 where c='a';
count(*)
10
select count(*) from t1 where t='a';
count(*)
10
select count(*) from t1 where v='a ';
count(*)
10
select count(*) from t1 where c='a ';
count(*)
10
select count(*) from t1 where t='a ';
count(*)
10
select count(*) from t1 where v between 'a' and 'a ';
count(*)
10
select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
count(*)
10
explain select count(*) from t1 where v='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 13 const # Using where
explain select count(*) from t1 where c='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c c 11 const # Using where
explain select count(*) from t1 where t='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref t t 13 const # Using where
explain select count(*) from t1 where v like 'a%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range v v 13 NULL # Using where
explain select count(*) from t1 where v between 'a' and 'a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 13 const # Using where
explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 13 const # Using where
alter table t1 add unique(v);
ERROR 23000: Duplicate entry '{ ' for key 'v_2'
select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a' order by length(concat('*',v,'*',c,'*',t,'*'));
qq
*a*a*a*
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 13 const # Using where
drop table t1;
create table t1 (a char(10), unique using btree (a)) engine=heap;
insert into t1 values ('a');
insert into t1 values ('a ');
ERROR 23000: Duplicate entry 'a' for key 'a'
alter table t1 modify a varchar(10);
insert into t1 values ('a '),('a '),('a '),('a ');
ERROR 23000: Duplicate entry 'a ' for key 'a'
insert into t1 values ('a ');
ERROR 23000: Duplicate entry 'a ' for key 'a'
insert into t1 values ('a ');
ERROR 23000: Duplicate entry 'a ' for key 'a'
insert into t1 values ('a ');
ERROR 23000: Duplicate entry 'a ' for key 'a'
update t1 set a='a ' where a like 'a ';
update t1 set a='a ' where a like 'a ';
drop table t1;
create table t1 (v varchar(10), c char(10), t varchar(50), key(v(5)), key(c(5)), key(t(5)));
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(10) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` varchar(50) DEFAULT NULL,
KEY `v` (`v`(5)),
KEY `c` (`c`(5)),
KEY `t` (`t`(5))
) ENGINE=MEMORY DEFAULT CHARSET=latin1
drop table t1;
create table t1 (v varchar(65530), key(v(10)));
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(65530) DEFAULT NULL,
KEY `v` (`v`(10))
) ENGINE=MEMORY DEFAULT CHARSET=latin1
insert into t1 values(repeat('a',65530));
select length(v) from t1 where v=repeat('a',65530);
length(v)
65530
drop table t1;
set storage_engine=PBXT;
create table t1 (a bigint unsigned auto_increment primary key, b int,
key (b, a)) engine=heap;
insert t1 (b) values (1),(1),(1),(1),(1),(1),(1),(1);
select * from t1;
a b
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
drop table t1;
create table t1 (a int not null, b int not null auto_increment,
primary key(a, b), key(b)) engine=heap;
insert t1 (a) values (1),(1),(1),(1),(1),(1),(1),(1);
select * from t1;
a b
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
drop table t1;
create table t1 (a int not null, b int not null auto_increment,
primary key(a, b)) engine=heap;
ERROR 42000: Incorrect table definition; there can be only one auto column and it must be defined as a key
create table t1 (c char(255), primary key(c(90)));
insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
ERROR 23000: Duplicate entry 'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl' for key 'PRIMARY'
drop table t1;
CREATE TABLE t1 (a int, key(a)) engine=heap;
insert into t1 values (0);
delete from t1;
select * from t1;
a
insert into t1 values (0), (1);
select * from t1 where a = 0;
a
0
drop table t1;
create table t1 (c char(10)) engine=memory;
create table t2 (c varchar(10)) engine=memory;
show table status like 't_';
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t1 MEMORY 10 Fixed 0 11 0 # 0 0 NULL # NULL NULL latin1_swedish_ci NULL
t2 MEMORY 10 Fixed 0 12 0 # 0 0 NULL # NULL NULL latin1_swedish_ci NULL
drop table t1, t2;
CREATE TABLE t1(a VARCHAR(1), b VARCHAR(2), c VARCHAR(256),
KEY(a), KEY(b), KEY(c)) ENGINE=MEMORY;
INSERT INTO t1 VALUES('a','aa',REPEAT('a', 256)),('a','aa',REPEAT('a',256));
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE b='aa';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE c=REPEAT('a',256);
COUNT(*)
2
DROP TABLE t1;

1
mysql-test/suite/pbxt/r/null_key.result
View File

@ -428,5 +428,6 @@ Handler_read_last 0
Handler_read_next 2
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 5
DROP TABLE t1,t2,t3,t4;

4
mysql-test/suite/pbxt/r/ps_11bugs.result
View File

@ -121,8 +121,8 @@ insert into t1 values (1);
explain select * from t1 where 3 in (select (1+1) union select 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 1 Using index
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
3 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL
select * from t1 where 3 in (select (1+1) union select 1);
a

12
mysql-test/suite/pbxt/r/select.result
View File

@ -2789,10 +2789,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
explain select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 SIMPLE t1 index key1 key1 5 NULL 4 Using where; Using index
explain select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 SIMPLE t1 index key1 key1 5 NULL 4 Using where; Using index
select max(key1) from t1 where key1 <= 0.6158;
max(key1)
0.6158000230789185
@ -2811,10 +2811,18 @@ max(key1) min(key2)
0.6158000230789185 1.3761999607086182
select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
max(key1)
<<<<<<< TREE
0.6158000230789185
=======
0.384499996900558
>>>>>>> MERGE-SOURCE
select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
min(key1)
<<<<<<< TREE
0.37619999051094055
=======
0.384499996900558
>>>>>>> MERGE-SOURCE
DROP TABLE t1,t2;
CREATE TABLE t1 (i BIGINT UNSIGNED NOT NULL);
INSERT INTO t1 VALUES (10);

29
mysql-test/suite/pbxt/r/update.result
View File

@ -277,6 +277,7 @@ Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
flush status;
update t1 set a=9999 order by a limit 1;
@ -292,6 +293,21 @@ Handler_read_last 1
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 2
<<<<<<< TREE
=======
Handler_read_rnd_deleted 0
Handler_read_rnd_next 18
flush status;
delete from t1 order by a limit 1;
show status like 'handler_read%';
Variable_name Value
Handler_read_first 0
Handler_read_key 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 1
Handler_read_rnd_deleted 0
>>>>>>> MERGE-SOURCE
Handler_read_rnd_next 9
flush status;
delete from t1 order by a limit 1;
@ -313,8 +329,14 @@ Handler_read_key 0
Handler_read_last 1
Handler_read_next 0
Handler_read_prev 0
<<<<<<< TREE
Handler_read_rnd 0
Handler_read_rnd_next 0
=======
Handler_read_rnd 1
Handler_read_rnd_deleted 0
Handler_read_rnd_next 8
>>>>>>> MERGE-SOURCE
alter table t1 disable keys;
Warnings:
Note 1031 Table storage engine for 't1' doesn't have this option
@ -327,8 +349,14 @@ Handler_read_key 0
Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
<<<<<<< TREE
Handler_read_rnd 0
Handler_read_rnd_next 0
=======
Handler_read_rnd 1
Handler_read_rnd_deleted 0
Handler_read_rnd_next 7
>>>>>>> MERGE-SOURCE
select * from t1;
a b
0 0
@ -382,6 +410,7 @@ Handler_read_last 0
Handler_read_next 1
Handler_read_prev 0
Handler_read_rnd 1
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
drop table t1, t2;
create table t1(f1 int, `*f2` int);

959
mysql-test/suite/pbxt/r/view_grant.result.THIS
View File

@ -1,959 +0,0 @@
drop database if exists mysqltest;
drop view if exists v1,v2,v3;
grant create view on test.* to test@localhost;
show grants for test@localhost;
Grants for test@localhost
GRANT USAGE ON *.* TO 'test'@'localhost'
GRANT CREATE VIEW ON `test`.* TO 'test'@'localhost'
revoke create view on test.* from test@localhost;
show grants for test@localhost;
Grants for test@localhost
GRANT USAGE ON *.* TO 'test'@'localhost'
drop user test@localhost;
create database mysqltest;
create table mysqltest.t1 (a int, b int);
create table mysqltest.t2 (a int, b int);
grant select on mysqltest.t1 to mysqltest_1@localhost;
grant create view,select on test.* to mysqltest_1@localhost;
create definer=root@localhost view v1 as select * from mysqltest.t1;
ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
create view v1 as select * from mysqltest.t1;
alter view v1 as select * from mysqltest.t1;
ERROR 42000: DROP command denied to user 'mysqltest_1'@'localhost' for table 'v1'
create or replace view v1 as select * from mysqltest.t1;
ERROR 42000: DROP command denied to user 'mysqltest_1'@'localhost' for table 'v1'
create view mysqltest.v2 as select * from mysqltest.t1;
ERROR 42000: CREATE VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v2'
create view v2 as select * from mysqltest.t2;
ERROR 42000: ANY command denied to user 'mysqltest_1'@'localhost' for table 't2'
show create view v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`mysqltest_1`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `mysqltest`.`t1`.`a` AS `a`,`mysqltest`.`t1`.`b` AS `b` from `mysqltest`.`t1` latin1 latin1_swedish_ci
grant create view,drop,select on test.* to mysqltest_1@localhost;
use test;
alter view v1 as select * from mysqltest.t1;
create or replace view v1 as select * from mysqltest.t1;
revoke all privileges on mysqltest.t1 from mysqltest_1@localhost;
revoke all privileges on test.* from mysqltest_1@localhost;
drop database mysqltest;
drop view test.v1;
create database mysqltest;
create table mysqltest.t1 (a int, b int);
create view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
grant select (c) on mysqltest.v1 to mysqltest_1@localhost;
select c from mysqltest.v1;
c
select d from mysqltest.v1;
ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for column 'd' in table 'v1'
revoke all privileges on mysqltest.v1 from mysqltest_1@localhost;
delete from mysql.user where user='mysqltest_1';
drop database mysqltest;
create database mysqltest;
create table mysqltest.t1 (a int, b int);
create algorithm=temptable view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
grant select (c) on mysqltest.v1 to mysqltest_1@localhost;
select c from mysqltest.v1;
c
select d from mysqltest.v1;
ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for column 'd' in table 'v1'
revoke all privileges on mysqltest.v1 from mysqltest_1@localhost;
delete from mysql.user where user='mysqltest_1';
drop database mysqltest;
create database mysqltest;
create table mysqltest.t1 (a int, b int);
create table mysqltest.t2 (a int, b int);
create view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
create algorithm=temptable view mysqltest.v2 (c,d) as select a+1,b+1 from mysqltest.t1;
create view mysqltest.v3 (c,d) as select a+1,b+1 from mysqltest.t2;
create algorithm=temptable view mysqltest.v4 (c,d) as select a+1,b+1 from mysqltest.t2;
grant select on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.v2 to mysqltest_1@localhost;
grant select on mysqltest.v3 to mysqltest_1@localhost;
grant select on mysqltest.v4 to mysqltest_1@localhost;
select c from mysqltest.v1;
c
select c from mysqltest.v2;
c
select c from mysqltest.v3;
c
select c from mysqltest.v4;
c
show columns from mysqltest.v1;
Field Type Null Key Default Extra
c bigint(12) YES NULL
d bigint(12) YES NULL
show columns from mysqltest.v2;
Field Type Null Key Default Extra
c bigint(12) YES NULL
d bigint(12) YES NULL
explain select c from mysqltest.v1;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v1;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v1'
explain select c from mysqltest.v2;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v2;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v2'
explain select c from mysqltest.v3;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v3;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v3'
explain select c from mysqltest.v4;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v4;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v4'
grant select on mysqltest.t1 to mysqltest_1@localhost;
explain select c from mysqltest.v1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 0
show create view mysqltest.v1;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v1'
explain select c from mysqltest.v2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 ALL NULL NULL NULL NULL 0
show create view mysqltest.v2;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v2'
explain select c from mysqltest.v3;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v3;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v3'
explain select c from mysqltest.v4;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v4;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v4'
grant show view on mysqltest.* to mysqltest_1@localhost;
explain select c from mysqltest.v1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 0
show create view mysqltest.v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `mysqltest`.`v1` AS select (`mysqltest`.`t1`.`a` + 1) AS `c`,(`mysqltest`.`t1`.`b` + 1) AS `d` from `mysqltest`.`t1` latin1 latin1_swedish_ci
explain select c from mysqltest.v2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 ALL NULL NULL NULL NULL 0
show create view mysqltest.v2;
View Create View character_set_client collation_connection
v2 CREATE ALGORITHM=TEMPTABLE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `mysqltest`.`v2` AS select (`mysqltest`.`t1`.`a` + 1) AS `c`,(`mysqltest`.`t1`.`b` + 1) AS `d` from `mysqltest`.`t1` latin1 latin1_swedish_ci
explain select c from mysqltest.v3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 0
show create view mysqltest.v3;
View Create View character_set_client collation_connection
v3 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `mysqltest`.`v3` AS select (`mysqltest`.`t2`.`a` + 1) AS `c`,(`mysqltest`.`t2`.`b` + 1) AS `d` from `mysqltest`.`t2` latin1 latin1_swedish_ci
explain select c from mysqltest.v4;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t2 ALL NULL NULL NULL NULL 0
show create view mysqltest.v4;
View Create View character_set_client collation_connection
v4 CREATE ALGORITHM=TEMPTABLE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `mysqltest`.`v4` AS select (`mysqltest`.`t2`.`a` + 1) AS `c`,(`mysqltest`.`t2`.`b` + 1) AS `d` from `mysqltest`.`t2` latin1 latin1_swedish_ci
revoke all privileges on mysqltest.* from mysqltest_1@localhost;
delete from mysql.user where user='mysqltest_1';
drop database mysqltest;
create database mysqltest;
create table mysqltest.t1 (a int, b int, primary key(a));
insert into mysqltest.t1 values (10,2), (20,3), (30,4), (40,5), (50,10);
create table mysqltest.t2 (x int);
insert into mysqltest.t2 values (3), (4), (5), (6);
create view mysqltest.v1 (a,c) as select a, b+1 from mysqltest.t1;
create view mysqltest.v2 (a,c) as select a, b from mysqltest.t1;
create view mysqltest.v3 (a,c) as select a, b+1 from mysqltest.t1;
grant update (a) on mysqltest.v2 to mysqltest_1@localhost;
grant update on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.* to mysqltest_1@localhost;
use mysqltest;
update t2,v1 set v1.a=v1.a+v1.c where t2.x=v1.c;
select * from t1 order by a;
a b
13 2
24 3
35 4
46 5
50 10
update v1 set a=a+c;
select * from t1 order by a;
a b
16 2
28 3
40 4
52 5
61 10
update t2,v2 set v2.a=v2.a+v2.c where t2.x=v2.c;
select * from t1 order by a;
a b
16 2
31 3
44 4
57 5
61 10
update v2 set a=a+c;
select * from t1 order by a;
a b
18 2
34 3
48 4
62 5
71 10
update t2,v2 set v2.c=v2.a+v2.c where t2.x=v2.c;
ERROR 42000: UPDATE command denied to user 'mysqltest_1'@'localhost' for column 'c' in table 'v2'
update v2 set c=a+c;
ERROR 42000: UPDATE command denied to user 'mysqltest_1'@'localhost' for column 'c' in table 'v2'
update t2,v3 set v3.a=v3.a+v3.c where t2.x=v3.c;
ERROR 42000: UPDATE command denied to user 'mysqltest_1'@'localhost' for table 'v3'
update v3 set a=a+c;
ERROR 42000: UPDATE command denied to user 'mysqltest_1'@'localhost' for table 'v3'
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
create database mysqltest;
create table mysqltest.t1 (a int, b int, primary key(a));
insert into mysqltest.t1 values (1,2), (2,3), (3,4), (4,5), (5,10);
create table mysqltest.t2 (x int);
insert into mysqltest.t2 values (3), (4), (5), (6);
create view mysqltest.v1 (a,c) as select a, b+1 from mysqltest.t1;
create view mysqltest.v2 (a,c) as select a, b+1 from mysqltest.t1;
grant delete on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.* to mysqltest_1@localhost;
use mysqltest;
delete from v1 where c < 4;
select * from t1;
a b
2 3
3 4
4 5
5 10
delete v1 from t2,v1 where t2.x=v1.c;
select * from t1;
a b
5 10
delete v2 from t2,v2 where t2.x=v2.c;
ERROR 42000: DELETE command denied to user 'mysqltest_1'@'localhost' for table 'v2'
delete from v2 where c < 4;
ERROR 42000: DELETE command denied to user 'mysqltest_1'@'localhost' for table 'v2'
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
create database mysqltest;
create table mysqltest.t1 (a int, b int, primary key(a));
insert into mysqltest.t1 values (1,2), (2,3);
create table mysqltest.t2 (x int, y int);
insert into mysqltest.t2 values (3,4);
create view mysqltest.v1 (a,c) as select a, b from mysqltest.t1;
create view mysqltest.v2 (a,c) as select a, b from mysqltest.t1;
grant insert on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.* to mysqltest_1@localhost;
use mysqltest;
insert into v1 values (5,6);
select * from t1;
a b
1 2
2 3
5 6
insert into v1 select x,y from t2;
select * from t1;
a b
1 2
2 3
5 6
3 4
insert into v2 values (5,6);
ERROR 42000: INSERT command denied to user 'mysqltest_1'@'localhost' for table 'v2'
insert into v2 select x,y from t2;
ERROR 42000: INSERT command denied to user 'mysqltest_1'@'localhost' for table 'v2'
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
create database mysqltest;
create table mysqltest.t1 (a int, b int);
create table mysqltest.t2 (a int, b int);
grant update on mysqltest.t1 to mysqltest_1@localhost;
grant update(b) on mysqltest.t2 to mysqltest_1@localhost;
grant create view,update on test.* to mysqltest_1@localhost;
create view v1 as select * from mysqltest.t1;
create view v2 as select b from mysqltest.t2;
create view mysqltest.v1 as select * from mysqltest.t1;
ERROR 42000: CREATE VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v1'
create view v3 as select a from mysqltest.t2;
ERROR 42000: ANY command denied to user 'mysqltest_1'@'localhost' for column 'a' in table 't2'
create table mysqltest.v3 (b int);
grant create view on mysqltest.v3 to mysqltest_1@localhost;
drop table mysqltest.v3;
create view mysqltest.v3 as select b from mysqltest.t2;
grant create view, update on mysqltest.v3 to mysqltest_1@localhost;
drop view mysqltest.v3;
create view mysqltest.v3 as select b from mysqltest.t2;
create view v4 as select b+1 from mysqltest.t2;
ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for column 'b' in table 't2'
grant create view,update,select on test.* to mysqltest_1@localhost;
create view v4 as select b+1 from mysqltest.t2;
ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for column 'b' in table 't2'
grant update,select(b) on mysqltest.t2 to mysqltest_1@localhost;
create view v4 as select b+1 from mysqltest.t2;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
drop view v1,v2,v4;
create database mysqltest;
create table mysqltest.t1 (a int);
grant all privileges on mysqltest.* to mysqltest_1@localhost;
use mysqltest;
create view v1 as select * from t1;
use test;
revoke all privileges on mysqltest.* from mysqltest_1@localhost;
drop database mysqltest;
create database mysqltest;
create table mysqltest.t1 (a int, b int);
grant select on mysqltest.t1 to mysqltest_1@localhost;
grant create view,select on test.* to mysqltest_1@localhost;
create view v1 as select * from mysqltest.t1;
show create view v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`mysqltest_1`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `mysqltest`.`t1`.`a` AS `a`,`mysqltest`.`t1`.`b` AS `b` from `mysqltest`.`t1` latin1 latin1_swedish_ci
revoke select on mysqltest.t1 from mysqltest_1@localhost;
select * from v1;
ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
grant select on mysqltest.t1 to mysqltest_1@localhost;
select * from v1;
a b
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop view v1;
drop database mysqltest;
create database mysqltest;
use mysqltest;
create table t1 (a int);
insert into t1 values (1);
create table t2 (s1 int);
drop function if exists f2;
create function f2 () returns int begin declare v int; select s1 from t2
into v; return v; end//
create algorithm=TEMPTABLE view v1 as select f2() from t1;
create algorithm=MERGE view v2 as select f2() from t1;
create algorithm=TEMPTABLE SQL SECURITY INVOKER view v3 as select f2() from t1;
create algorithm=MERGE SQL SECURITY INVOKER view v4 as select f2() from t1;
create SQL SECURITY INVOKER view v5 as select * from v4;
grant select on v1 to mysqltest_1@localhost;
grant select on v2 to mysqltest_1@localhost;
grant select on v3 to mysqltest_1@localhost;
grant select on v4 to mysqltest_1@localhost;
grant select on v5 to mysqltest_1@localhost;
use mysqltest;
select * from v1;
f2()
NULL
Warnings:
Warning 1329 No data - zero rows fetched, selected, or processed
select * from v2;
f2()
NULL
Warnings:
Warning 1329 No data - zero rows fetched, selected, or processed
select * from v3;
ERROR HY000: View 'mysqltest.v3' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
select * from v4;
ERROR HY000: View 'mysqltest.v4' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
select * from v5;
ERROR HY000: View 'mysqltest.v5' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
use test;
drop view v1, v2, v3, v4, v5;
drop function f2;
drop table t1, t2;
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
create database mysqltest;
use mysqltest;
create table t1 (a int);
insert into t1 values (1);
create table t2 (s1 int);
drop function if exists f2;
create function f2 () returns int begin declare v int; select s1 from t2
into v; return v; end//
grant select on t1 to mysqltest_1@localhost;
grant execute on function f2 to mysqltest_1@localhost;
grant create view on mysqltest.* to mysqltest_1@localhost;
use mysqltest;
create algorithm=TEMPTABLE view v1 as select f2() from t1;
create algorithm=MERGE view v2 as select f2() from t1;
create algorithm=TEMPTABLE SQL SECURITY INVOKER view v3 as select f2() from t1;
create algorithm=MERGE SQL SECURITY INVOKER view v4 as select f2() from t1;
use test;
create view v5 as select * from v1;
revoke execute on function f2 from mysqltest_1@localhost;
select * from v1;
ERROR HY000: View 'mysqltest.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
select * from v2;
ERROR HY000: View 'mysqltest.v2' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
select * from v3;
f2()
NULL
Warnings:
Warning 1329 No data - zero rows fetched, selected, or processed
select * from v4;
f2()
NULL
Warnings:
Warning 1329 No data - zero rows fetched, selected, or processed
select * from v5;
ERROR HY000: View 'mysqltest.v5' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
drop view v1, v2, v3, v4, v5;
drop function f2;
drop table t1, t2;
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
create database mysqltest;
use mysqltest;
create table t1 (a int);
create table v1 (a int);
insert into t1 values (1);
grant select on t1 to mysqltest_1@localhost;
grant select on v1 to mysqltest_1@localhost;
grant create view on mysqltest.* to mysqltest_1@localhost;
drop table v1;
use mysqltest;
create algorithm=TEMPTABLE view v1 as select *, a as b from t1;
create algorithm=MERGE view v2 as select *, a as b from t1;
create algorithm=TEMPTABLE SQL SECURITY INVOKER view v3 as select *, a as b from t1;
create algorithm=MERGE SQL SECURITY INVOKER view v4 as select *, a as b from t1;
create view v5 as select * from v1;
use test;
revoke select on t1 from mysqltest_1@localhost;
select * from v1;
ERROR HY000: View 'mysqltest.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
select * from v2;
ERROR HY000: View 'mysqltest.v2' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
select * from v3;
a b
1 1
select * from v4;
a b
1 1
select * from v5;
ERROR HY000: View 'mysqltest.v5' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
drop table t1;
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
create database mysqltest;
use mysqltest;
create table t1 (a int);
insert into t1 values (1);
create algorithm=TEMPTABLE view v1 as select *, a as b from t1;
create algorithm=MERGE view v2 as select *, a as b from t1;
create algorithm=TEMPTABLE SQL SECURITY INVOKER view v3 as select *, a as b from t1;
create algorithm=MERGE SQL SECURITY INVOKER view v4 as select *, a as b from t1;
create SQL SECURITY INVOKER view v5 as select * from v4;
grant select on v1 to mysqltest_1@localhost;
grant select on v2 to mysqltest_1@localhost;
grant select on v3 to mysqltest_1@localhost;
grant select on v4 to mysqltest_1@localhost;
grant select on v5 to mysqltest_1@localhost;
use mysqltest;
select * from v1;
a b
1 1
select * from v2;
a b
1 1
select * from v3;
ERROR HY000: View 'mysqltest.v3' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
select * from v4;
ERROR HY000: View 'mysqltest.v4' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
select * from v5;
ERROR HY000: View 'mysqltest.v5' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
use test;
drop view v1, v2, v3, v4, v5;
drop table t1;
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
drop view if exists v1;
drop table if exists t1;
create table t1 as select * from mysql.user where user='';
delete from mysql.user where user='';
flush privileges;
grant all on test.* to 'test14256'@'%';
use test;
create view v1 as select 42;
show create view v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`test14256`@`%` SQL SECURITY DEFINER VIEW `v1` AS select 42 AS `42` latin1 latin1_swedish_ci
select definer into @v1def1 from information_schema.views
where table_schema = 'test' and table_name='v1';
drop view v1;
create definer=`test14256`@`%` view v1 as select 42;
show create view v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`test14256`@`%` SQL SECURITY DEFINER VIEW `v1` AS select 42 AS `42` latin1 latin1_swedish_ci
select definer into @v1def2 from information_schema.views
where table_schema = 'test' and table_name='v1';
drop view v1;
select @v1def1, @v1def2, @v1def1=@v1def2;
@v1def1 @v1def2 @v1def1=@v1def2
test14256@% test14256@% 1
drop user test14256;
insert into mysql.user select * from t1;
flush privileges;
drop table t1;
create database mysqltest;
use mysqltest;
CREATE TABLE t1 (i INT);
CREATE VIEW v1 AS SELECT * FROM t1;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`i` AS `i` from `t1` latin1 latin1_swedish_ci
GRANT SELECT, LOCK TABLES ON mysqltest.* TO mysqltest_1@localhost;
use mysqltest;
LOCK TABLES v1 READ;
SHOW CREATE TABLE v1;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v1'
UNLOCK TABLES;
use test;
use test;
drop user mysqltest_1@localhost;
drop database mysqltest;
create definer=some_user@`` sql security invoker view v1 as select 1;
Warnings:
Note 1449 The user specified as a definer ('some_user'@'') does not exist
create definer=some_user@localhost sql security invoker view v2 as select 1;
Warnings:
Note 1449 The user specified as a definer ('some_user'@'localhost') does not exist
show create view v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`some_user`@`` SQL SECURITY INVOKER VIEW `v1` AS select 1 AS `1` latin1 latin1_swedish_ci
show create view v2;
View Create View character_set_client collation_connection
v2 CREATE ALGORITHM=UNDEFINED DEFINER=`some_user`@`localhost` SQL SECURITY INVOKER VIEW `v2` AS select 1 AS `1` latin1 latin1_swedish_ci
drop view v1;
drop view v2;
CREATE DATABASE mysqltest1;
CREATE USER readonly@localhost;
CREATE TABLE mysqltest1.t1 (x INT);
INSERT INTO mysqltest1.t1 VALUES (1), (2);
CREATE SQL SECURITY INVOKER VIEW mysqltest1.v_t1 AS SELECT * FROM mysqltest1.t1;
CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_ts AS SELECT * FROM mysqltest1.t1;
CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_ti AS SELECT * FROM mysqltest1.t1;
CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_tu AS SELECT * FROM mysqltest1.t1;
CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_tus AS SELECT * FROM mysqltest1.t1;
CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_td AS SELECT * FROM mysqltest1.t1;
CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_tds AS SELECT * FROM mysqltest1.t1;
GRANT SELECT, INSERT, UPDATE, DELETE ON mysqltest1.v_t1 TO readonly@localhost;
GRANT SELECT ON mysqltest1.v_ts TO readonly@localhost;
GRANT INSERT ON mysqltest1.v_ti TO readonly@localhost;
GRANT UPDATE ON mysqltest1.v_tu TO readonly@localhost;
GRANT UPDATE,SELECT ON mysqltest1.v_tus TO readonly@localhost;
GRANT DELETE ON mysqltest1.v_td TO readonly@localhost;
GRANT DELETE,SELECT ON mysqltest1.v_tds TO readonly@localhost;
SELECT * FROM mysqltest1.v_t1;
ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
INSERT INTO mysqltest1.v_t1 VALUES(4);
ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
DELETE FROM mysqltest1.v_t1 WHERE x = 1;
ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
UPDATE mysqltest1.v_t1 SET x = 3 WHERE x = 2;
ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
UPDATE mysqltest1.v_t1 SET x = 3;
ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
DELETE FROM mysqltest1.v_t1;
ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
SELECT 1 FROM mysqltest1.v_t1;
ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
SELECT * FROM mysqltest1.t1;
ERROR 42000: SELECT command denied to user 'readonly'@'localhost' for table 't1'
SELECT * FROM mysqltest1.v_ts;
x
1
2
SELECT * FROM mysqltest1.v_ts, mysqltest1.t1 WHERE mysqltest1.t1.x = mysqltest1.v_ts.x;
ERROR 42000: SELECT command denied to user 'readonly'@'localhost' for table 't1'
SELECT * FROM mysqltest1.v_ti;
ERROR 42000: SELECT command denied to user 'readonly'@'localhost' for table 'v_ti'
INSERT INTO mysqltest1.v_ts VALUES (100);
ERROR 42000: INSERT command denied to user 'readonly'@'localhost' for table 'v_ts'
INSERT INTO mysqltest1.v_ti VALUES (100);
UPDATE mysqltest1.v_ts SET x= 200 WHERE x = 100;
ERROR 42000: UPDATE command denied to user 'readonly'@'localhost' for table 'v_ts'
UPDATE mysqltest1.v_ts SET x= 200;
ERROR 42000: UPDATE command denied to user 'readonly'@'localhost' for table 'v_ts'
UPDATE mysqltest1.v_tu SET x= 200 WHERE x = 100;
UPDATE mysqltest1.v_tus SET x= 200 WHERE x = 100;
UPDATE mysqltest1.v_tu SET x= 200;
DELETE FROM mysqltest1.v_ts WHERE x= 200;
ERROR 42000: DELETE command denied to user 'readonly'@'localhost' for table 'v_ts'
DELETE FROM mysqltest1.v_ts;
ERROR 42000: DELETE command denied to user 'readonly'@'localhost' for table 'v_ts'
DELETE FROM mysqltest1.v_td WHERE x= 200;
ERROR 42000: SELECT command denied to user 'readonly'@'localhost' for column 'x' in table 'v_td'
DELETE FROM mysqltest1.v_tds WHERE x= 200;
DELETE FROM mysqltest1.v_td;
DROP VIEW mysqltest1.v_tds;
DROP VIEW mysqltest1.v_td;
DROP VIEW mysqltest1.v_tus;
DROP VIEW mysqltest1.v_tu;
DROP VIEW mysqltest1.v_ti;
DROP VIEW mysqltest1.v_ts;
DROP VIEW mysqltest1.v_t1;
DROP TABLE mysqltest1.t1;
DROP USER readonly@localhost;
DROP DATABASE mysqltest1;
CREATE TABLE t1 (a INT PRIMARY KEY);
INSERT INTO t1 VALUES (1), (2), (3);
CREATE DEFINER = 'no-such-user'@localhost VIEW v AS SELECT a from t1;
Warnings:
Note 1449 The user specified as a definer ('no-such-user'@'localhost') does not exist
SHOW CREATE VIEW v;
View Create View character_set_client collation_connection
v CREATE ALGORITHM=UNDEFINED DEFINER=`no-such-user`@`localhost` SQL SECURITY DEFINER VIEW `v` AS select `test`.`t1`.`a` AS `a` from `t1` latin1 latin1_swedish_ci
Warnings:
Note 1449 The user specified as a definer ('no-such-user'@'localhost') does not exist
SELECT * FROM v;
ERROR HY000: The user specified as a definer ('no-such-user'@'localhost') does not exist
DROP VIEW v;
DROP TABLE t1;
USE test;
CREATE USER mysqltest_db1@localhost identified by 'PWD';
GRANT ALL ON mysqltest_db1.* TO mysqltest_db1@localhost WITH GRANT OPTION;
CREATE SCHEMA mysqltest_db1 ;
USE mysqltest_db1 ;
CREATE TABLE t1 (f1 INTEGER);
CREATE VIEW view1 AS
SELECT * FROM t1;
SHOW CREATE VIEW view1;
View Create View character_set_client collation_connection
view1 CREATE ALGORITHM=UNDEFINED DEFINER=`mysqltest_db1`@`localhost` SQL SECURITY DEFINER VIEW `view1` AS select `t1`.`f1` AS `f1` from `t1` latin1 latin1_swedish_ci
CREATE VIEW view2 AS
SELECT * FROM view1;
# Here comes a suspicious warning
SHOW CREATE VIEW view2;
View Create View character_set_client collation_connection
view2 CREATE ALGORITHM=UNDEFINED DEFINER=`mysqltest_db1`@`localhost` SQL SECURITY DEFINER VIEW `view2` AS select `view1`.`f1` AS `f1` from `view1` latin1 latin1_swedish_ci
# But the view view2 is usable
SELECT * FROM view2;
f1
CREATE VIEW view3 AS
SELECT * FROM view2;
SELECT * from view3;
f1
DROP VIEW mysqltest_db1.view3;
DROP VIEW mysqltest_db1.view2;
DROP VIEW mysqltest_db1.view1;
DROP TABLE mysqltest_db1.t1;
DROP SCHEMA mysqltest_db1;
DROP USER mysqltest_db1@localhost;
CREATE DATABASE test1;
CREATE DATABASE test2;
CREATE TABLE test1.t0 (a VARCHAR(20)) engine=myisam;
CREATE TABLE test2.t1 (a VARCHAR(20));
CREATE VIEW test2.t3 AS SELECT * FROM test1.t0;
CREATE OR REPLACE VIEW test.v1 AS
SELECT ta.a AS col1, tb.a AS col2 FROM test2.t3 ta, test2.t1 tb;
DROP VIEW test.v1;
DROP VIEW test2.t3;
DROP TABLE test2.t1, test1.t0;
DROP DATABASE test2;
DROP DATABASE test1;
DROP VIEW IF EXISTS v1;
DROP VIEW IF EXISTS v2;
DROP VIEW IF EXISTS v3;
DROP FUNCTION IF EXISTS f1;
DROP FUNCTION IF EXISTS f2;
DROP PROCEDURE IF EXISTS p1;
CREATE SQL SECURITY DEFINER VIEW v1 AS SELECT CURRENT_USER() AS cu;
CREATE FUNCTION f1() RETURNS VARCHAR(77) SQL SECURITY INVOKER
RETURN CURRENT_USER();
CREATE SQL SECURITY DEFINER VIEW v2 AS SELECT f1() AS cu;
CREATE PROCEDURE p1(OUT cu VARCHAR(77)) SQL SECURITY INVOKER
SET cu= CURRENT_USER();
CREATE FUNCTION f2() RETURNS VARCHAR(77) SQL SECURITY INVOKER
BEGIN
DECLARE cu VARCHAR(77);
CALL p1(cu);
RETURN cu;
END|
CREATE SQL SECURITY DEFINER VIEW v3 AS SELECT f2() AS cu;
CREATE USER mysqltest_u1@localhost;
GRANT ALL ON test.* TO mysqltest_u1@localhost;
The following tests should all return 1.
SELECT CURRENT_USER() = 'mysqltest_u1@localhost';
CURRENT_USER() = 'mysqltest_u1@localhost'
1
SELECT f1() = 'mysqltest_u1@localhost';
f1() = 'mysqltest_u1@localhost'
1
CALL p1(@cu);
SELECT @cu = 'mysqltest_u1@localhost';
@cu = 'mysqltest_u1@localhost'
1
SELECT f2() = 'mysqltest_u1@localhost';
f2() = 'mysqltest_u1@localhost'
1
SELECT cu = 'root@localhost' FROM v1;
cu = 'root@localhost'
1
SELECT cu = 'root@localhost' FROM v2;
cu = 'root@localhost'
1
SELECT cu = 'root@localhost' FROM v3;
cu = 'root@localhost'
1
DROP VIEW v3;
DROP FUNCTION f2;
DROP PROCEDURE p1;
DROP FUNCTION f1;
DROP VIEW v2;
DROP VIEW v1;
DROP USER mysqltest_u1@localhost;
CREATE DATABASE db17254;
USE db17254;
CREATE TABLE t1 (f1 INT);
INSERT INTO t1 VALUES (10),(20);
CREATE USER def_17254@localhost;
GRANT SELECT ON db17254.* TO def_17254@localhost;
CREATE USER inv_17254@localhost;
GRANT SELECT ON db17254.t1 TO inv_17254@localhost;
GRANT CREATE VIEW ON db17254.* TO def_17254@localhost;
CREATE VIEW v1 AS SELECT * FROM t1;
DROP USER def_17254@localhost;
for a user
SELECT * FROM v1;
ERROR 42000: SELECT command denied to user 'inv_17254'@'localhost' for table 'v1'
for a superuser
SELECT * FROM v1;
ERROR HY000: The user specified as a definer ('def_17254'@'localhost') does not exist
DROP USER inv_17254@localhost;
DROP DATABASE db17254;
DROP DATABASE IF EXISTS mysqltest_db1;
DROP DATABASE IF EXISTS mysqltest_db2;
DROP USER mysqltest_u1;
DROP USER mysqltest_u2;
CREATE USER mysqltest_u1@localhost;
CREATE USER mysqltest_u2@localhost;
CREATE DATABASE mysqltest_db1;
CREATE DATABASE mysqltest_db2;
GRANT ALL ON mysqltest_db1.* TO mysqltest_u1@localhost WITH GRANT OPTION;
GRANT ALL ON mysqltest_db2.* TO mysqltest_u2@localhost;
CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1);
CREATE VIEW v1 AS SELECT i FROM t1 WHERE 1 IN (SELECT * FROM t1);
CREATE TABLE t2 (s CHAR(7));
INSERT INTO t2 VALUES ('public');
GRANT SELECT ON v1 TO mysqltest_u2@localhost;
GRANT SELECT ON t2 TO mysqltest_u2@localhost;
SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2;
i s
1 public
PREPARE stmt1 FROM "SELECT * FROM mysqltest_db1.t2";
EXECUTE stmt1;
s
public
PREPARE stmt2 FROM "SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2";
EXECUTE stmt2;
i s
1 public
REVOKE SELECT ON t2 FROM mysqltest_u2@localhost;
UPDATE t2 SET s = 'private' WHERE s = 'public';
SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2;
ERROR 42000: SELECT command denied to user 'mysqltest_u2'@'localhost' for table 't2'
EXECUTE stmt1;
ERROR 42000: SELECT command denied to user 'mysqltest_u2'@'localhost' for table 't2'
EXECUTE stmt2;
ERROR 42000: SELECT command denied to user 'mysqltest_u2'@'localhost' for table 't2'
REVOKE ALL ON mysqltest_db1.* FROM mysqltest_u1@localhost;
REVOKE ALL ON mysqltest_db2.* FROM mysqltest_u2@localhost;
DROP DATABASE mysqltest_db1;
DROP DATABASE mysqltest_db2;
DROP USER mysqltest_u1@localhost;
DROP USER mysqltest_u2@localhost;
CREATE DATABASE db26813;
USE db26813;
CREATE TABLE t1(f1 INT, f2 INT);
CREATE VIEW v1 AS SELECT f1 FROM t1;
CREATE VIEW v2 AS SELECT f1 FROM t1;
CREATE VIEW v3 AS SELECT f1 FROM t1;
CREATE USER u26813@localhost;
GRANT DROP ON db26813.v1 TO u26813@localhost;
GRANT CREATE VIEW ON db26813.v2 TO u26813@localhost;
GRANT DROP, CREATE VIEW ON db26813.v3 TO u26813@localhost;
GRANT SELECT ON db26813.t1 TO u26813@localhost;
ALTER VIEW v1 AS SELECT f2 FROM t1;
ERROR 42000: CREATE VIEW command denied to user 'u26813'@'localhost' for table 'v1'
ALTER VIEW v2 AS SELECT f2 FROM t1;
ERROR 42000: DROP command denied to user 'u26813'@'localhost' for table 'v2'
ALTER VIEW v3 AS SELECT f2 FROM t1;
ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
SHOW CREATE VIEW v3;
View Create View character_set_client collation_connection
v3 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v3` AS select `t1`.`f1` AS `f1` from `t1` latin1 latin1_swedish_ci
DROP USER u26813@localhost;
DROP DATABASE db26813;
#
# Bug#29908 A user can gain additional access through the ALTER VIEW.
#
CREATE DATABASE mysqltest_29908;
USE mysqltest_29908;
CREATE TABLE t1(f1 INT, f2 INT);
CREATE USER u29908_1@localhost;
CREATE DEFINER = u29908_1@localhost VIEW v1 AS SELECT f1 FROM t1;
CREATE DEFINER = u29908_1@localhost SQL SECURITY INVOKER VIEW v2 AS
SELECT f1 FROM t1;
GRANT SELECT, DROP, CREATE VIEW, SHOW VIEW ON mysqltest_29908.v1 TO u29908_1@localhost;
GRANT SELECT, DROP, CREATE VIEW, SHOW VIEW ON mysqltest_29908.v2 TO u29908_1@localhost;
GRANT SELECT ON mysqltest_29908.t1 TO u29908_1@localhost;
CREATE USER u29908_2@localhost;
GRANT SELECT, DROP, CREATE VIEW ON mysqltest_29908.v1 TO u29908_2@localhost;
GRANT SELECT, DROP, CREATE VIEW, SHOW VIEW ON mysqltest_29908.v2 TO u29908_2@localhost;
GRANT SELECT ON mysqltest_29908.t1 TO u29908_2@localhost;
ALTER VIEW v1 AS SELECT f2 FROM t1;
ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
ALTER VIEW v2 AS SELECT f2 FROM t1;
ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
SHOW CREATE VIEW v2;
View Create View character_set_client collation_connection
v2 CREATE ALGORITHM=UNDEFINED DEFINER=`u29908_1`@`localhost` SQL SECURITY INVOKER VIEW `v2` AS select `t1`.`f1` AS `f1` from `t1` latin1 latin1_swedish_ci
ALTER VIEW v1 AS SELECT f2 FROM t1;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`u29908_1`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`f2` AS `f2` from `t1` latin1 latin1_swedish_ci
ALTER VIEW v2 AS SELECT f2 FROM t1;
SHOW CREATE VIEW v2;
View Create View character_set_client collation_connection
v2 CREATE ALGORITHM=UNDEFINED DEFINER=`u29908_1`@`localhost` SQL SECURITY INVOKER VIEW `v2` AS select `t1`.`f2` AS `f2` from `t1` latin1 latin1_swedish_ci
ALTER VIEW v1 AS SELECT f1 FROM t1;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`u29908_1`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`f1` AS `f1` from `t1` latin1 latin1_swedish_ci
ALTER VIEW v2 AS SELECT f1 FROM t1;
SHOW CREATE VIEW v2;
View Create View character_set_client collation_connection
v2 CREATE ALGORITHM=UNDEFINED DEFINER=`u29908_1`@`localhost` SQL SECURITY INVOKER VIEW `v2` AS select `t1`.`f1` AS `f1` from `t1` latin1 latin1_swedish_ci
DROP USER u29908_1@localhost;
DROP USER u29908_2@localhost;
DROP DATABASE mysqltest_29908;
#######################################################################
DROP DATABASE IF EXISTS mysqltest1;
DROP DATABASE IF EXISTS mysqltest2;
CREATE DATABASE mysqltest1;
CREATE DATABASE mysqltest2;
CREATE TABLE mysqltest1.t1(c1 INT);
CREATE TABLE mysqltest1.t2(c2 INT);
CREATE TABLE mysqltest1.t3(c3 INT);
CREATE TABLE mysqltest1.t4(c4 INT);
INSERT INTO mysqltest1.t1 VALUES (11), (12), (13), (14);
INSERT INTO mysqltest1.t2 VALUES (21), (22), (23), (24);
INSERT INTO mysqltest1.t3 VALUES (31), (32), (33), (34);
INSERT INTO mysqltest1.t4 VALUES (41), (42), (43), (44);
GRANT SELECT ON mysqltest1.t1 TO mysqltest_u1@localhost;
GRANT INSERT ON mysqltest1.t2 TO mysqltest_u1@localhost;
GRANT SELECT, UPDATE ON mysqltest1.t3 TO mysqltest_u1@localhost;
GRANT SELECT, DELETE ON mysqltest1.t4 TO mysqltest_u1@localhost;
GRANT ALL PRIVILEGES ON mysqltest2.* TO mysqltest_u1@localhost;
---> connection: bug24040_con
SELECT * FROM mysqltest1.t1;
c1
11
12
13
14
INSERT INTO mysqltest1.t2 VALUES(25);
UPDATE mysqltest1.t3 SET c3 = 331 WHERE c3 = 31;
DELETE FROM mysqltest1.t4 WHERE c4 = 44;
CREATE VIEW v1 AS SELECT * FROM mysqltest1.t1;
CREATE VIEW v2 AS SELECT * FROM mysqltest1.t2;
CREATE VIEW v3 AS SELECT * FROM mysqltest1.t3;
CREATE VIEW v4 AS SELECT * FROM mysqltest1.t4;
SELECT * FROM v1;
c1
11
12
13
14
INSERT INTO v2 VALUES(26);
UPDATE v3 SET c3 = 332 WHERE c3 = 32;
DELETE FROM v4 WHERE c4 = 43;
CREATE VIEW v12 AS SELECT c1, c2 FROM mysqltest1.t1, mysqltest1.t2;
ERROR 42000: create view command denied to user 'mysqltest_u1'@'localhost' for column 'c2' in table 'v12'
CREATE VIEW v13 AS SELECT c1, c3 FROM mysqltest1.t1, mysqltest1.t3;
CREATE VIEW v14 AS SELECT c1, c4 FROM mysqltest1.t1, mysqltest1.t4;
CREATE VIEW v21 AS SELECT c2, c1 FROM mysqltest1.t2, mysqltest1.t1;
ERROR 42000: create view command denied to user 'mysqltest_u1'@'localhost' for column 'c1' in table 'v21'
CREATE VIEW v23 AS SELECT c2, c3 FROM mysqltest1.t2, mysqltest1.t3;
ERROR 42000: create view command denied to user 'mysqltest_u1'@'localhost' for column 'c3' in table 'v23'
CREATE VIEW v24 AS SELECT c2, c4 FROM mysqltest1.t2, mysqltest1.t4;
ERROR 42000: create view command denied to user 'mysqltest_u1'@'localhost' for column 'c4' in table 'v24'
CREATE VIEW v31 AS SELECT c3, c1 FROM mysqltest1.t3, mysqltest1.t1;
CREATE VIEW v32 AS SELECT c3, c2 FROM mysqltest1.t3, mysqltest1.t2;
ERROR 42000: create view command denied to user 'mysqltest_u1'@'localhost' for column 'c2' in table 'v32'
CREATE VIEW v34 AS SELECT c3, c4 FROM mysqltest1.t3, mysqltest1.t4;
CREATE VIEW v41 AS SELECT c4, c1 FROM mysqltest1.t4, mysqltest1.t1;
CREATE VIEW v42 AS SELECT c4, c2 FROM mysqltest1.t4, mysqltest1.t2;
ERROR 42000: create view command denied to user 'mysqltest_u1'@'localhost' for column 'c2' in table 'v42'
CREATE VIEW v43 AS SELECT c4, c3 FROM mysqltest1.t4, mysqltest1.t3;
---> connection: default
SELECT * FROM mysqltest1.t1;
c1
11
12
13
14
SELECT * FROM mysqltest1.t2;
c2
21
22
23
24
25
26
SELECT * FROM mysqltest1.t3 order by c3;
c3
33
34
331
332
SELECT * FROM mysqltest1.t4;
c4
41
42
DROP DATABASE mysqltest1;
DROP DATABASE mysqltest2;
DROP USER mysqltest_u1@localhost;
End of 5.0 tests.
DROP VIEW IF EXISTS v1;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (i INT);
CREATE VIEW v1 AS SELECT * FROM t1;
ALTER VIEW v1 AS SELECT * FROM t1;
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`i` AS `i` from `t1` latin1 latin1_swedish_ci
ALTER DEFINER=no_such@user_1 VIEW v1 AS SELECT * FROM t1;
Warnings:
Note 1449 The user specified as a definer ('no_such'@'user_1') does not exist
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`no_such`@`user_1` SQL SECURITY DEFINER VIEW `v1` AS select `test`.`t1`.`i` AS `i` from `t1` latin1 latin1_swedish_ci
Warnings:
Note 1449 The user specified as a definer ('no_such'@'user_1') does not exist
ALTER ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1;
Warnings:
Note 1449 The user specified as a definer ('no_such'@'user_1') does not exist
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=MERGE DEFINER=`no_such`@`user_1` SQL SECURITY DEFINER VIEW `v1` AS select `test`.`t1`.`i` AS `i` from `t1` latin1 latin1_swedish_ci
Warnings:
Note 1449 The user specified as a definer ('no_such'@'user_1') does not exist
ALTER ALGORITHM=TEMPTABLE DEFINER=no_such@user_2 VIEW v1 AS SELECT * FROM t1;
Warnings:
Note 1449 The user specified as a definer ('no_such'@'user_2') does not exist
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=TEMPTABLE DEFINER=`no_such`@`user_2` SQL SECURITY DEFINER VIEW `v1` AS select `test`.`t1`.`i` AS `i` from `t1` latin1 latin1_swedish_ci
Warnings:
Note 1449 The user specified as a definer ('no_such'@'user_2') does not exist
DROP VIEW v1;
DROP TABLE t1;
End of 5.1 tests.

2
mysql-test/suite/perfschema/r/all_instances.result
View File

@ -53,7 +53,6 @@ wait/synch/mutex/sql/LOCK_global_index_stats
wait/synch/mutex/sql/LOCK_global_system_variables
wait/synch/mutex/sql/LOCK_global_table_stats
wait/synch/mutex/sql/LOCK_global_user_client_stats
wait/synch/mutex/sql/LOCK_manager
wait/synch/mutex/sql/LOCK_open
wait/synch/mutex/sql/LOCK_plugin
wait/synch/mutex/sql/LOCK_prepared_stmt_count
@ -114,7 +113,6 @@ wait/synch/cond/mysys/COND_alarm
wait/synch/cond/mysys/my_thread_var::suspend
wait/synch/cond/mysys/THR_COND_threads
wait/synch/cond/sql/COND_flush_thread_cache
wait/synch/cond/sql/COND_manager
wait/synch/cond/sql/COND_queue_state
wait/synch/cond/sql/COND_rpl_status
wait/synch/cond/sql/COND_server_started

4
mysql-test/suite/perfschema/r/server_init.result
View File

@ -82,7 +82,7 @@ count(name)
select count(name) from mutex_instances
where name like "wait/synch/mutex/sql/LOCK_manager";
count(name)
1
0
select count(name) from mutex_instances
where name like "wait/synch/mutex/sql/LOCK_global_system_variables";
count(name)
@ -170,7 +170,7 @@ count(name)
select count(name) from cond_instances
where name like "wait/synch/cond/sql/COND_manager";
count(name)
1
0
select count(name) from cond_instances
where name like "wait/synch/cond/sql/COND_thread_cache";
count(name)

30
mysql-test/suite/plugins/r/unix_socket.result Normal file
View File

@ -0,0 +1,30 @@
install plugin unix_socket soname 'auth_socket.so';
#
# with named user
#
create user USER identified via unix_socket;
#
# name match = ok
#
select user(), current_user(), database();
user() current_user() database()
USER@localhost USER@% test
#
# name does not match = failure
#
drop user USER;
#
# and now with anonymous user
#
grant SELECT ON test.* TO '' identified via unix_socket;
#
# name match = ok
#
select user(), current_user(), database();
user() current_user() database()
USER@localhost @% test
#
# name does not match = failure
#
delete from mysql.user where user='';
uninstall plugin unix_socket;

56
mysql-test/suite/plugins/t/unix_socket.test Normal file
View File

@ -0,0 +1,56 @@
--source include/not_embedded.inc
if (!$AUTH_SOCKET_SO) {
skip No auth_socket plugin;
}
let $plugindir=`SELECT @@global.plugin_dir`;
eval install plugin unix_socket soname '$AUTH_SOCKET_SO';
--echo #
--echo # with named user
--echo #
--replace_result $USER USER
eval create user $USER identified via unix_socket;
--write_file $MYSQLTEST_VARDIR/tmp/peercred_test.txt
--replace_result $USER USER
select user(), current_user(), database();
EOF
--echo #
--echo # name match = ok
--echo #
--exec $MYSQL_TEST -u $USER --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
--echo #
--echo # name does not match = failure
--echo #
--error 1
--exec $MYSQL_TEST -u foobar --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
--replace_result $USER USER
eval drop user $USER;
--echo #
--echo # and now with anonymous user
--echo #
grant SELECT ON test.* TO '' identified via unix_socket;
--echo #
--echo # name match = ok
--echo #
--exec $MYSQL_TEST -u $USER --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
--echo #
--echo # name does not match = failure
--echo #
--error 1
--exec $MYSQL_TEST -u foobar --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
# restoring mysql.user to the original state.
delete from mysql.user where user='';
uninstall plugin unix_socket;
--remove_file $MYSQLTEST_VARDIR/tmp/peercred_test.txt

30
mysql-test/suite/vcol/r/vcol_select_myisam.result
View File

@ -265,3 +265,33 @@ NULL
explain select sum(c) from t1 group by b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using temporary; Using filesort
#
# Bug #806057: join with USING over a virtual column
#
CREATE TABLE t1 (b int);
INSERT INTO t1 VALUES (NULL),( 78), (185), (0), (154);
CREATE TABLE t2 (a int, b int AS (a) VIRTUAL);
INSERT INTO t2 VALUES (187,187), (9,9), (187,187);
Warnings:
Warning 1906 The value specified for computed column 'b' in table 't2' ignored
Warning 1906 The value specified for computed column 'b' in table 't2' ignored
Warning 1906 The value specified for computed column 'b' in table 't2' ignored
EXPLAIN EXTENDED
SELECT * FROM t1 JOIN t2 USING (b);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where (`test`.`t1`.`b` = `test`.`t2`.`b`)
SELECT * FROM t1 JOIN t2 USING (b);
b a
EXPLAIN EXTENDED
SELECT * FROM t1 NATURAL JOIN t2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where (`test`.`t1`.`b` = `test`.`t2`.`b`)
SELECT * FROM t1 NATURAL JOIN t2;
b a
DROP TABLE t1,t2;

4
mysql-test/suite/vcol/r/vcol_view_innodb.result
View File

@ -107,7 +107,7 @@ MariaDB-5.3: the following EXPLAIN produces incorrect #rows for table t1.
MariaDB-5.3: this is expected to go away when FROM subquery optimizations are pushed
explain select * from v1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 ALL NULL NULL NULL NULL 4 Using filesort
drop view v1;
create view v1 as select c+1 from t1 order by 1 desc limit 2;
@ -119,7 +119,7 @@ MariaDB-5.3: the following EXPLAIN produces incorrect #rows for table t1.
MariaDB-5.3: this is expected to go away when FROM subquery optimizations are pushed
explain select * from v1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 ALL NULL NULL NULL NULL 4 Using filesort
drop view v1;
drop table t1;

4
mysql-test/suite/vcol/r/vcol_view_myisam.result
View File

@ -107,7 +107,7 @@ MariaDB-5.3: the following EXPLAIN produces incorrect #rows for table t1.
MariaDB-5.3: this is expected to go away when FROM subquery optimizations are pushed
explain select * from v1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 ALL NULL NULL NULL NULL 4 Using filesort
drop view v1;
create view v1 as select c+1 from t1 order by 1 desc limit 2;
@ -119,7 +119,7 @@ MariaDB-5.3: the following EXPLAIN produces incorrect #rows for table t1.
MariaDB-5.3: this is expected to go away when FROM subquery optimizations are pushed
explain select * from v1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 ALL NULL NULL NULL NULL 4 Using filesort
drop view v1;
drop table t1;

20
mysql-test/suite/vcol/t/vcol_select_myisam.test
View File

@ -48,3 +48,23 @@ eval SET @@session.storage_engine = 'MyISAM';
#------------------------------------------------------------------------------#
# Cleanup
--source suite/vcol/inc/vcol_cleanup.inc
--echo #
--echo # Bug #806057: join with USING over a virtual column
--echo #
CREATE TABLE t1 (b int);
INSERT INTO t1 VALUES (NULL),( 78), (185), (0), (154);
CREATE TABLE t2 (a int, b int AS (a) VIRTUAL);
INSERT INTO t2 VALUES (187,187), (9,9), (187,187);
EXPLAIN EXTENDED
SELECT * FROM t1 JOIN t2 USING (b);
SELECT * FROM t1 JOIN t2 USING (b);
EXPLAIN EXTENDED
SELECT * FROM t1 NATURAL JOIN t2;
SELECT * FROM t1 NATURAL JOIN t2;
DROP TABLE t1,t2;

10
mysql-test/t/derived_opt.test
View File

@ -202,5 +202,15 @@ RIGHT JOIN (
drop table t1,t2,t3,t4;
--echo #
--echo # LP BUG#910123 MariaDB 5.3.3 causes 1093 error on Drupal
--echo # Fix: force materialization in case of conflict
--echo #
SET optimizer_switch='derived_merge=on';
CREATE TABLE t1 ( i INT );
INSERT INTO t1 VALUES ( (SELECT 1 FROM ( SELECT * FROM t1 ) as a) );
drop table t1;
set optimizer_switch=@save_optimizer_switch;
# The following command must be the last one the file
set optimizer_switch=@exit_optimizer_switch;

44
mysql-test/t/derived_view.test
View File

@ -1192,7 +1192,7 @@ INSERT INTO t2 VALUES (7), (4);
CREATE TABLE t1 (b int NOT NULL);
INSERT INTO t1 VALUES (5), (7);
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1;
SET @save_optimizer_switch=@@optimizer_switch;
SET SESSION optimizer_switch='derived_merge=off';
PREPARE st1 FROM
@ -1201,10 +1201,12 @@ EXECUTE st1;
EXECUTE st1;
DEALLOCATE PREPARE st1;
set SESSION optimizer_switch= @save_optimizer_switch;
DROP VIEW v1;
DROP TABLE t1,t2;
SET SESSION optimizer_switch='derived_merge=on';
--echo #
--echo # LP bug #879939: assertion in ha_maria::enable_indexes
@ -1226,7 +1228,7 @@ INSERT INTO t1 VALUES
CREATE TABLE t3 (a varchar(35));
INSERT INTO t3 VALUES ('Miami');
SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch = 'derived_with_keys=on';
SET @@tmp_table_size=1024*4;
explain SELECT * FROM (SELECT t1.* FROM t1, t2) AS t JOIN t3 ON t3.a = t.b;
@ -1234,7 +1236,7 @@ SELECT * FROM (SELECT t1.* FROM t1, t2) AS t JOIN t3 ON t3.a = t.b;
SET @@tmp_table_size=1024*1024*16;
SELECT * FROM (SELECT t1.* FROM t1, t2) AS t JOIN t3 ON t3.a = t.b;
SET @@tmp_table_size=default;
set SESSION optimizer_switch= @save_optimizer_switch;
drop table t1,t2,t3;
--echo #
@ -1277,6 +1279,40 @@ ORDER BY CONCAT(alias2.col_varchar_nokey);
set max_heap_table_size= @tmp_882994;
drop table t1,t2,t3;
--echo #
--echo # LP bug #917990: Bad estimate of #rows for derived table with LIMIT
--echo #
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES
(8), (3), (4), (7), (9), (5), (1), (2);
SELECT * FROM (SELECT * FROM t1 LIMIT 3) t;
EXPLAIN
SELECT * FROM (SELECT * FROM t1 LIMIT 3) t;
DROP TABLE t1;
--echo #
--echo # LP BUG#921878 incorrect check of items during columns union types
--echo # aggregation for merged derived tables
--echo #
SET @save_optimizer_switch=@@optimizer_switch;
SET SESSION optimizer_switch='derived_merge=on';
CREATE TABLE t1 ( a ENUM( 'x', 'y' ) );
insert into t1 values ('x');
CREATE TABLE t2 LIKE t1;
insert into t1 values ('y');
CREATE TABLE t3 LIKE t1;
INSERT INTO t3
SELECT * FROM ( SELECT * FROM t1 ) AS A
UNION SELECT * FROM t2;
select * from t3;
drop table t1,t2,t3;
set SESSION optimizer_switch= @save_optimizer_switch;
# The following command must be the last one the file
set optimizer_switch=@exit_optimizer_switch;
set join_cache_level=@exit_join_cache_level;

47
mysql-test/t/func_group.test
View File

@ -1153,6 +1153,53 @@ drop table t1;
--echo #
--echo End of 5.1 tests
--echo #
--echo # Bug #904345: MIN/MAX optimization with constant FALSE condition
--echo #
CREATE TABLE t1 (a int NOT NULL, KEY(a));
INSERT INTO t1 VALUES (10), (8), (11), (7), (15), (12), (9);
CREATE TABLE t2 (a int, b int);
INSERT INTO t2 VALUES
(8,2), (6,9), (8,4), (5,3), (9,1);
EXPLAIN EXTENDED
SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT 3,4) AND a<10;
SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT 3,4) AND a<10;
EXPLAIN EXTENDED
SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT a,b FROM t2 WHERE b<5) and a<10;
SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT a,b FROM t2 WHERE b<5) and a<10;
EXPLAIN EXTENDED
SELECT MAX(a) FROM t1 WHERE RAND()*0<>0 AND a<10;
SELECT MAX(a) FROM t1 WHERE RAND()*0<>0 AND a<10;
DROP TABLE t1,t2;
--echo #
--echo # Bug #879860: MIN/MAX for subquery returning empty set
--echo #
CREATE TABLE t1 (a int PRIMARY KEY);
INSERT INTO t1 VALUES (1);
CREATE TABLE t2 (a int NOT NULL);
INSERT INTO t2 VALUES (10);
CREATE TABLE t3 ( a int, b int);
INSERT INTO t3 VALUES (19,1), (20,5);
EXPLAIN EXTENDED
SELECT (SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b) FROM t3;
SELECT (SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b) FROM t3;
DROP TABLE t1,t2,t3;
--echo #
--echo End of 5.2 tests
--echo #
--echo # BUG#46680 - Assertion failed in file item_subselect.cc,
--echo # line 305 crashing on HAVING subquery

159
mysql-test/t/join_cache.test
View File

@ -3423,5 +3423,164 @@ SET optimizer_switch=@tmp_optimizer_switch;
DROP TABLE t1,t2,t3,t4;
--echo #
--echo # Bug#53305 Duplicate weedout + join buffer (join cache --level=7,8)
--echo #
create table t1 (uid int, fid int, index(uid));
insert into t1 values
(1,1), (1,2), (1,3), (1,4),
(2,5), (2,6), (2,7), (2,8),
(3,1), (3,2), (3,9);
create table t2 (uid int primary key, name varchar(128), index(name));
insert into t2 values
(1, "A"), (2, "B"), (3, "C"), (4, "D"), (5, "E"),
(6, "F"), (7, "G"), (8, "H"), (9, "I");
create table t3 (uid int, fid int, index(uid));
insert into t3 values
(1,1), (1,2), (1,3),(1,4),
(2,5), (2,6), (2,7), (2,8),
(3,1), (3,2), (3,9);
set @tmp_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='semijoin=on';
set optimizer_switch='materialization=off';
set optimizer_switch='loosescan=off,firstmatch=off';
set optimizer_switch='mrr_sort_keys=off';
set join_cache_level=7;
create table t4 (uid int primary key, name varchar(128), index(name));
insert into t4 values
(1, "A"), (2, "B"), (3, "C"), (4, "D"), (5, "E"),
(6, "F"), (7, "G"), (8, "H"), (9, "I");
explain select name from t2, t1
where t1.uid in (select t4.uid from t4, t3 where t3.uid=1 and t4.uid=t3.fid)
and t2.uid=t1.fid;
--sorted_result
select name from t2, t1
where t1.uid in (select t4.uid from t4, t3 where t3.uid=1 and t4.uid=t3.fid)
and t2.uid=t1.fid;
set join_cache_level = default;
set optimizer_switch=@tmp_optimizer_switch;
drop table t1,t2,t3,t4;
--echo #
--echo # Bug#50358 - semijoin execution of subquery with outerjoin
--echo # emplying join buffer
--echo #
CREATE TABLE t1 (i int);
CREATE TABLE t2 (i int);
CREATE TABLE t3 (i int);
INSERT INTO t1 VALUES (1), (2);
INSERT INTO t2 VALUES (6);
INSERT INTO t3 VALUES (1), (2);
set @tmp_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='semijoin=on';
set optimizer_switch='materialization=on';
set join_cache_level=0;
EXPLAIN
SELECT * FROM t1 WHERE t1.i IN
(SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
SELECT * FROM t1 WHERE t1.i IN
(SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
set join_cache_level=2;
EXPLAIN
SELECT * FROM t1 WHERE t1.i IN
(SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
SELECT * FROM t1 WHERE t1.i IN
(SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
set join_cache_level = default;
set optimizer_switch=@tmp_optimizer_switch;
DROP TABLE t1,t2,t3;
--echo #
--echo # Bug #12546542: missing row with semijoin=off + join cache
--echo # (LP bug #922971)
--echo #
CREATE TABLE t1 (a varchar(1024));
INSERT INTO t1 VALUES ('v'), ('we');
CREATE TABLE t2 (
a varchar(1024) CHARACTER SET utf8 DEFAULT NULL, b int, c int
);
INSERT INTO t2 VALUES ('we',4,NULL), ('v',1305673728,6);
CREATE TABLE t3 (b int, c int);
INSERT INTO t3 VALUES (4,4);
set @tmp_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off';
set optimizer_switch='materialization=off';
set join_cache_level=0;
EXPLAIN
SELECT * FROM t1
WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b
WHERE t2.c < 10 OR t3.c > 1);
SELECT * FROM t1
WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b
WHERE t2.c < 10 OR t3.c > 1);
set join_cache_level=2;
EXPLAIN
SELECT * FROM t1
WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b
WHERE t2.c < 10 OR t3.c > 1);
SELECT * FROM t1
WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b
WHERE t2.c < 10 OR t3.c > 1);
set join_cache_level = default;
set optimizer_switch=@tmp_optimizer_switch;
DROP TABLE t1,t2,t3;
--echo #
--echo # Bug #925985: LEFT JOIN with optimize_join_buffer_size=off +
--echo # join_buffer_size > join_buffer_space_limit
--echo #
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (5), (3);
CREATE TABLE t2 (a int, b int);
INSERT INTO t2 VALUES
(3,30), (1,10), (7,70), (2,20),
(3,31), (1,11), (7,71), (2,21),
(3,32), (1,12), (7,72), (2,22);
CREATE TABLE t3 (b int, c int);
INSERT INTO t3 VALUES (32, 302), (42,400), (30,300);
set @tmp_optimizer_switch=@@optimizer_switch;
set optimizer_switch='optimize_join_buffer_size=off';
set join_buffer_space_limit=4096;
set join_buffer_size=4096*2;
set join_cache_level=2;
set optimizer_switch='outer_join_with_cache=on';
EXPLAIN
SELECT * FROM t1, t2 LEFT JOIN t3 ON t2.b=t3.b WHERE t1.a=t2.a;
SELECT * FROM t1, t2 LEFT JOIN t3 ON t2.b=t3.b WHERE t1.a=t2.a;
set join_buffer_space_limit=default;
set join_buffer_size=default;
set join_cache_level=default;
set optimizer_switch=@tmp_optimizer_switch;
DROP TABLE t1,t2,t3;
# this must be the last command in the file
set @@optimizer_switch=@save_optimizer_switch;

15
mysql-test/t/join_outer_innodb.test
View File

@ -61,3 +61,18 @@ ORDER BY pk;
DROP TABLE t1,t2;
--echo # End BUG#58456
#
# Bug #848652: crash with RIGHT JOIN and GROUP BY
#
CREATE TABLE t1(a int, b int, KEY (a), PRIMARY KEY (b)) ENGINE=InnoDB;
CREATE TABLE t2 (b int, PRIMARY KEY (b));
INSERT INTO t2 VALUES (4),(9);
SELECT STRAIGHT_JOIN t1.a FROM t1 RIGHT JOIN t2 ON t1.b = t2.b
WHERE (t1.b NOT BETWEEN 1 AND 7 OR t1.a IS NULL AND t1.b = t2.b) AND t2.b = 4
GROUP BY 1;
DROP TABLE t1,t2;

53
mysql-test/t/myisam_mrr.test
View File

@ -268,5 +268,58 @@ set @@join_cache_level= @tmp_730133_jcl;
set @@optimizer_switch= @tmp_730133_os;
drop table t1;
--echo #
--echo # Test of MRR handler counters
--echo #
flush status;
show status like 'Handler_mrr%';
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (a int, b int, filler char(200), key(a));
insert into t1
select A.a+10*B.a+100*C.a+1000*D.a, 123,'filler' from t0 A, t0 B, t0 C, t0 D;
explain select sum(b) from t1 where a < 10;
--echo # This should show one MRR scan and no re-fills:
flush status;
select sum(b) from t1 where a < 10;
show status like 'handler_mrr%';
set @mrr_buffer_size_save= @@mrr_buffer_size;
--disable_warnings
set mrr_buffer_size=128;
--enable_warnings
explain select sum(b) from t1 where a < 1600;
--echo # This should show one MRR scan and one extra rowid sort:
flush status;
select sum(b) from t1 where a < 1600;
show status like 'handler_mrr%';
set @@mrr_buffer_size= @mrr_buffer_size_save;
--echo #Now, let's check BKA:
set @join_cache_level_save= @@join_cache_level;
set @join_buffer_size_save= @@join_buffer_size;
set join_cache_level=6;
explain select sum(t1.b) from t0,t1 where t0.a=t1.a;
flush status;
select sum(t1.b) from t0,t1 where t0.a=t1.a;
show status like 'handler_mrr%';
--disable_warnings
set join_buffer_size=10;
--enable_warnings
explain select sum(t1.b) from t0,t1 where t0.a=t1.a;
flush status;
select sum(t1.b) from t0,t1 where t0.a=t1.a;
--replace_result 1 1or2 2 1or2
show status like 'handler_mrr%';
set join_cache_level= @join_cache_level_save;
set join_buffer_size= @join_buffer_size_save;
drop table t0, t1;
## This must be last line in the file:
set optimizer_switch= @myisam_mrr_tmp;

30
mysql-test/t/order_by.test
View File

@ -1562,7 +1562,6 @@ select 1 order by max(1) + min(1);
--echo End of 5.1 tests
--echo #
--echo # Bug #38745: MySQL 5.1 optimizer uses filesort for ORDER BY
--echo # when it should use index
@ -1585,3 +1584,32 @@ SELECT t1.*, t2.* FROM t1 JOIN t2 ON t1.i1 = t2.i2
ORDER BY t1.i1 LIMIT 5;
DROP TABLE t1, t2, t3;
--echo #
--echo # Fix of LP BUG#793589 Wrong result with double ORDER BY
--echo #
CREATE TABLE t1 ( b int) ;
INSERT INTO t1 VALUES (8),(9);
CREATE TABLE t2 ( a int, b int, PRIMARY KEY (a)) ;
INSERT INTO t2 VALUES (6,7),(7,7),(8,1),(9,7),(10,1),(11,5),(12,2),(13,0),(14,1),(15,8),(16,1),(17,1),(18,9),(19,1),(20,5);
SELECT t2.b AS field1 FROM t1, t2 WHERE t1.b = t2.a GROUP BY field1 ORDER BY t1.b, field1;
SELECT t2.b, t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b, t2.b;
SELECT t2.b,t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
SELECT t2.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
--echo # field1 removed from ORDER BY
explain extended
SELECT t2.b AS field1 FROM t1, t2 WHERE t1.b = t2.a GROUP BY field1 ORDER BY t1.b, field1;
explain extended
SELECT t2.b, t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b, t2.b;
explain extended
SELECT t2.b,t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
explain extended
SELECT t2.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
drop table t1,t2;
--echo End of 5.2 tests

2
mysql-test/t/partition_pruning.test
View File

@ -1106,12 +1106,14 @@ show status like 'Handler_read_key';
flush status;
delete from t2 where b > 5;
show status like 'Handler_read_rnd_next';
show status like 'Handler_read_rnd_deleted';
show status like 'Handler_read_key';
show status like 'Handler_read_prev';
show status like 'Handler_read_next';
flush status;
delete from t2 where b < 5 or b > 3;
show status like 'Handler_read_rnd_next';
show status like 'Handler_read_rnd_deleted';
show status like 'Handler_read_key';
show status like 'Handler_read_prev';
show status like 'Handler_read_next';

10
mysql-test/t/status.test
View File

@ -369,6 +369,16 @@ show status like 'Handler%';
show status like '%tmp%';
drop table t1;
#
# Test of handler status counts
#
CREATE TABLE t1 (i int(11) DEFAULT NULL, KEY i (i) ) ENGINE=MyISAM;
insert into t1 values (1),(2),(3),(4),(5);
flush status;
select * from t1 where i=5 union select * from t1 where i=5;
show status like "handler%";
drop table t1;
# End of 5.3 tests
# Restore global concurrent_insert value. Keep in the end of the test file.

222
mysql-test/t/subselect.test
View File

@ -3519,6 +3519,8 @@ SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
## First a simpler query, illustrating the transformation
## '1 < some (...)' => '1 < max(...)'
EXPLAIN EXTENDED
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
## The query which made the server crash.
@ -4431,8 +4433,6 @@ WHERE t1.a = d1.a;
DROP TABLE t1;
--echo End of 5.1 tests.
#
# Bug #47904 Incorrect results w/ table subquery, derived SQs, and LEFT JOIN on index
#
@ -4879,11 +4879,141 @@ INSERT INTO t3 VALUES (0),(0);
SELECT a1.f3 AS r FROM t2 AS a1 , t1 WHERE a1.f3 < ALL ( SELECT f3 FROM t3 WHERE f3 = 1 ) ;
DROP TABLE t1, t2, t3;
--echo #
--echo # Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
--echo #
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
## All these are subject to the transformation
## '1 < some (...)' => '1 < max(...)'
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
create table t2(i int);
insert into t2 values(0);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
CREATE VIEW v1 AS
SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
;
CREATE TABLE t1 (
pk int NOT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
PRIMARY KEY (pk),
KEY col_varchar_key (col_varchar_key)
);
SELECT t1.pk
FROM t1
WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
;
SET SESSION sql_mode=@old_sql_mode;
drop table t2, t1;
drop view v1;
--echo #
--echo # BUG#50257: Missing info in REF column of the EXPLAIN
--echo # lines for subselects
--echo #
CREATE TABLE t1 (a INT, b INT, INDEX (a));
INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
DROP TABLE t1;
--echo #
--echo # BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
--echo # (duplicate of LP bug #888456)
--echo #
CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('v'),('s');
CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
('d'),('y'),('t'),('d'),('s');
EXPLAIN
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
WHERE EXISTS (SELECT DISTINCT f1_key FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
WHERE EXISTS (SELECT DISTINCT f1_key FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
DROP TABLE t1,t2;
--echo #
--echo # LP bug 919427: EXPLAIN for a query over a single-row table
--echo # with IN subquery in WHERE condition
--echo #
CREATE TABLE ot (
col_int_nokey int(11),
col_varchar_nokey varchar(1)
) ;
INSERT INTO ot VALUES (1,'x');
CREATE TABLE it1(
col_int_key int(11),
col_varchar_key varchar(1),
KEY idx_cvk_cik (col_varchar_key,col_int_key)
);
INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');
CREATE TABLE it2 (
col_int_key int(11),
col_varchar_key varchar(1),
col_varchar_key2 varchar(1),
KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
KEY idx_cvk_cik (col_varchar_key, col_int_key)
);
INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');
EXPLAIN
SELECT col_int_nokey FROM ot
WHERE col_varchar_nokey IN
(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
SELECT col_int_nokey FROM ot
WHERE col_varchar_nokey IN
(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
EXPLAIN
SELECT col_int_nokey FROM ot
WHERE (col_varchar_nokey, 'x') IN
(SELECT col_varchar_key, col_varchar_key2 FROM it2);
SELECT col_int_nokey FROM ot
WHERE (col_varchar_nokey, 'x') IN
(SELECT col_varchar_key, col_varchar_key2 FROM it2);
DROP TABLE ot,it1,it2;
--echo End of 5.2 tests
--echo #
--echo # BUG#779885: Crash in eliminate_item_equal with materialization=on in
--echo # maria-5.3
--echo #
CREATE TABLE t1 ( f1 int );
@ -4936,32 +5066,6 @@ SET optimizer_switch=@save_optimizer_switch;
drop table t1, t2, t3;
--echo End of 5.3 tests
--echo #
--echo # Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
--echo #
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
## All these are subject to the transformation
## '1 < some (...)' => '1 < max(...)'
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
--echo #
--echo # BUG#50257: Missing info in REF column of the EXPLAIN
--echo # lines for subselects
@ -4981,6 +5085,55 @@ EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
--echo
DROP TABLE t1;
--echo #
--echo # Bug#11764086: Null left operand to NOT IN in WHERE clause
--echo # behaves differently than real NULL
--echo #
CREATE TABLE parent (id int);
INSERT INTO parent VALUES (1), (2);
CREATE TABLE child (parent_id int, other int);
INSERT INTO child VALUES (1,NULL);
--echo # Offending query (c.parent_id is NULL for null-complemented rows only)
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id NOT IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
);
--echo # Some syntactic variations with IS FALSE and IS NOT TRUE
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS NOT TRUE;
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS FALSE;
DROP TABLE parent, child;
--echo # End of test for bug#11764086.
--echo #
--echo # Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET ||
--echo # BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
@ -5279,6 +5432,17 @@ SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;
drop table t1,t2,t3;
--echo #
--echo # LP BUG#905353 Wrong non-empty result with a constant table,
--echo # aggregate function in subquery, MyISAM or Aria
--echo #
CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);
SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );
drop table t1;
--echo # return optimizer switch changed in the beginning of this test
set optimizer_switch=@subselect_tmp;

314
mysql-test/t/subselect_sj.test
View File

@ -1136,6 +1136,262 @@ WHERE (int_nokey, pk)
DROP TABLE t1, t2, t3;
--echo #
--echo # BUG#53060: LooseScan semijoin strategy does not return all rows
--echo #
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=on,materialization=off';
set optimizer_switch='firstmatch=off,loosescan=on';
CREATE TABLE t1 (i INTEGER);
INSERT INTO t1 VALUES (1), (2), (3), (4), (5);
CREATE TABLE t2 (i INTEGER, j INTEGER, KEY k(i, j));
INSERT INTO t2 VALUES (1, 0), (1, 1), (2, 0), (2, 1);
EXPLAIN
SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0);
SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0);
DROP TABLE t1, t2;
set optimizer_switch=@save_optimizer_switch;
--echo #
--echo # BUG#49453: re-execution of prepared statement with view
--echo # and semijoin crashes
--echo #
CREATE TABLE t1 (city VARCHAR(50), country_id INT);
CREATE TABLE t2 (country_id INT, country VARCHAR(50));
INSERT INTO t1 VALUES
('Batna',2),('Bchar',2),('Skikda',2),('Tafuna',3),('Algeria',2) ;
INSERT INTO t2 VALUES (2,'Algeria'),(2,'AlgeriaDup'),(3,'XAmerican Samoa');
CREATE VIEW v1 AS
SELECT country_id as vf_country_id
FROM t2
WHERE LEFT(country,1) = "A";
PREPARE stmt FROM "
SELECT city, country_id
FROM t1
WHERE country_id IN (SELECT vf_country_id FROM v1);
";
--echo
EXECUTE stmt;
EXECUTE stmt;
DROP TABLE t1,t2;
DROP VIEW v1;
--echo #
--echo # Bug#54437 Extra rows with LEFT JOIN + semijoin
--echo #
create table t1 (a int);
create table t2 (a int);
create table t3 (a int);
insert into t1 values(1),(1);
insert into t2 values(1),(1),(1),(1);
insert into t3 values(2),(2);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='materialization=off';
set optimizer_switch='semijoin=off';
explain
select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
set optimizer_switch='semijoin=on';
explain
select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
set optimizer_switch=@save_optimizer_switch;
drop table t1,t2,t3;
--echo #
--echo # Bug#55955: crash in MEMORY engine with IN(LEFT JOIN (JOIN))
--echo #
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
CREATE TABLE t3 (a INT);
INSERT INTO t1 VALUES(1),(1);
INSERT INTO t2 VALUES(1),(1);
INSERT INTO t3 VALUES(2),(2);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=off';
EXPLAIN
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
set optimizer_switch='semijoin=off,materialization=on';
EXPLAIN
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
set optimizer_switch='semijoin=on,materialization=off';
EXPLAIN
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
SELECT * FROM t1
WHERE t1.a IN (SELECT t2.a
FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1,t2,t3;
--echo #
--echo # BUG#52329 - Wrong result: subquery materialization, IN,
--echo # non-null field followed by nullable
--echo #
CREATE TABLE t1 (a1 CHAR(8) NOT NULL, a2 char(8) NOT NULL);
CREATE TABLE t2a (b1 char(8), b2 char(8));
CREATE TABLE t2b (b1 CHAR(8), b2 char(8) NOT NULL);
CREATE TABLE t2c (b1 CHAR(8) NOT NULL, b2 char(8));
INSERT INTO t1 VALUES ('1 - 12', '2 - 22');
INSERT INTO t2a VALUES ('1 - 11', '2 - 21'),
('1 - 11', '2 - 21'),
('1 - 12', '2 - 22'),
('1 - 12', '2 - 22'),
('1 - 13', '2 - 23');
INSERT INTO t2b SELECT * FROM t2a;
INSERT INTO t2c SELECT * FROM t2a;
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=on';
SELECT * FROM t1
WHERE (a1, a2) IN (
SELECT b1, b2 FROM t2c WHERE b1 > '0' GROUP BY b1, b2);
SELECT * FROM t1
WHERE (a1, a2) IN (
SELECT b1, b2 FROM t2a WHERE b1 > '0');
SELECT * FROM t1
WHERE (a1, a2) IN (
SELECT b1, b2 FROM t2b WHERE b1 > '0');
SELECT * FROM t1
WHERE (a1, a2) IN (
SELECT b1, b2 FROM t2c WHERE b1 > '0');
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1,t2a,t2b,t2c;
--echo #
--echo # Bug#57623: subquery within before insert trigger causes crash (sj=on)
--echo #
CREATE TABLE ot1(a INT);
CREATE TABLE ot2(a INT);
CREATE TABLE ot3(a INT);
CREATE TABLE it1(a INT);
INSERT INTO ot1 VALUES(0),(1),(2),(3),(4),(5),(6),(7);
INSERT INTO ot2 VALUES(0),(2),(4),(6);
INSERT INTO ot3 VALUES(0),(3),(6);
INSERT INTO it1 VALUES(0),(1),(2),(3),(4),(5),(6),(7);
let $query=
SELECT *
FROM ot1
LEFT JOIN
(ot2 JOIN ot3 on ot2.a=ot3.a)
ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=on';
set optimizer_switch='materialization=off';
eval explain $query;
eval $query;
eval prepare s from '$query';
execute s;
execute s;
deallocate prepare s;
set optimizer_switch='materialization=on';
eval explain $query;
eval $query;
eval prepare s from '$query';
execute s;
execute s;
deallocate prepare s;
set optimizer_switch=@save_optimizer_switch;
DROP TABLE ot1, ot2, ot3, it1;
--echo #
--echo # Bug#59919/11766739: Crash in tmp_table_param::init() with semijoin=on
--echo #
CREATE TABLE t1 (f1 INTEGER) ENGINE=MyISAM;
CREATE TABLE t2 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
CREATE TABLE t3 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1,1), (2,1);
INSERT INTO t3 VALUES
(1,1), (2,1), (5,4), (7,3), (8,2), (8,1), (7,3),
(9,5), (4,3), (7,2), (7,7), (3,1), (5,8), (9,7);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=on';
EXPLAIN
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
set optimizer_switch='semijoin=on,materialization=on';
EXPLAIN
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1, t2, t3 ;
--echo #
--echo #
--echo # BUG#784723: Wrong result with semijoin + nested subqueries in maria-5.3
--echo #
@ -2017,5 +2273,63 @@ SELECT a, COUNT(*) FROM t1
DROP TABLE t1, t2, t3;
--echo #
--echo # BUG#920255: Wrong result (extra rows) with loosescan and IN subquery
--echo #
CREATE TABLE t1 ( a INT PRIMARY KEY, b INT, KEY(b) );
INSERT INTO t1 VALUES
(1,2),(2,1),(3,3),(4,2),(5,5),
(6,3),(7,1),(8,4),(9,3),(10,2);
CREATE TABLE t2 ( c INT, d INT, UNIQUE KEY(c) );
INSERT INTO t2 VALUES
(1,2),(2,1),(3,3),(4,2),(5,5),(6,3),(7,1);
SELECT a, b, d FROM t1, t2
WHERE ( b, d ) IN
( SELECT b, d FROM t1, t2 WHERE b = c );
DROP TABLE t1, t2;
--echo #
--echo # BUG#920713: Wrong result (missing rows) with firstmatch+BNL, IN subquery, ...
--echo #
# t1 should be MyISAM or InnoDB
CREATE TABLE t1 ( a VARCHAR(1) ) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('e'),('w'),('a'),('h'),('x'),('k'),('g');
CREATE TABLE t2 ( b INT, c VARCHAR(1) );
INSERT INTO t2 VALUES (0,'j'),(8,'v');
#SET debug_optimizer_prefer_join_prefix= 'alias2,alias4,alias1,alias3';
SELECT * FROM t1 alias1, t2 alias2
WHERE alias2.c IN (
SELECT alias4.c FROM t1 alias3, t2 alias4
);
DROP TABLE t1, t2;
--echo #
--echo # BUG#923246: Loosescan reports different result than other semijoin methods
--echo #
set @tmp_923246= @@optimizer_switch;
set optimizer_switch='mrr=on,materialization=off';
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (kp1 int, kp2 int, c int, filler char(100), key(kp1, kp2));
insert into t1 select A.a+10*(B.a+10*C.a), 0, 0, 'filler' from t0 A, t0 B, t0 C;
insert into t1 select * from t1 where kp1 < 20;
create table t3 (a int);
insert into t3 select A.a + 10*B.a from t0 A, t0 B;
select * from t3 where a in (select kp1 from t1 where kp1<20);
explain select * from t3 where a in (select kp1 from t1 where kp1<20);
drop table t0,t1,t3;
set optimizer_switch= @tmp_923246;
# The following command must be the last one the file
set optimizer_switch=@subselect_sj_tmp;

14
mysql-test/t/subselect_sj2.test
View File

@ -1079,5 +1079,19 @@ SELECT * FROM t3 LEFT JOIN (v1,t2) ON t3.a = t2.a
DROP VIEW v1;
DROP TABLE t1,t2,t3,t4;
--echo #
--echo # BUG#912538: Wrong result (missing rows) with semijoin=on, firstmatch=on, ...
--echo #
CREATE TABLE t1 ( a INT NOT NULL, UNIQUE KEY(a) );
INSERT INTO t1 VALUES (1),(2),(3),(4);
# t2 needs to be InnoDB
CREATE TABLE t2 ( b INT, c INT ) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1,1);
SELECT * FROM t1, t2 WHERE c IN (SELECT c FROM t1, t2 WHERE a = b);
DROP TABLE t1,t2;
--echo # This must be the last in the file:
set optimizer_switch=@subselect_sj2_tmp;

26
mysql-test/t/subselect_sj_jcl6.test
View File

@ -88,6 +88,32 @@ set join_cache_level=default;
DROP TABLE t1,t2,t3;
--echo #
--echo # BUG#912513: Wrong result (missing rows) with join_cache_hashed+materialization+semijoin=on
--echo #
set @os_912513= @@optimizer_switch;
set @jcl_912513= @@join_cache_level;
SET optimizer_switch = 'semijoin=on,materialization=on,join_cache_hashed=on';
SET join_cache_level = 3;
CREATE TABLE t1 ( a INT, b INT, KEY(a) );
INSERT INTO t1 VALUES
(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7);
CREATE TABLE t2 ( c INT );
INSERT INTO t2 VALUES (1),(2),(3),(4),(5),(6),(7);
SELECT alias1.* FROM
t1 AS alias1 INNER JOIN t1 AS alias2
ON alias2.a = alias1.b
WHERE alias1.b IN (
SELECT a FROM t1, t2
);
DROP table t1, t2;
set @@optimizer_switch= @os_912513;
set @@join_cache_level= @jcl_912513;
--echo # End
set join_cache_level=default;

36
mysql-test/t/subselect_sj_mat.test
View File

@ -1510,6 +1510,42 @@ SELECT * FROM t1 LEFT JOIN t2 ON ( a = b )
DROP TABLE t1,t2;
--echo #
--echo # BUG#922254: Assertion `0' failed at item_cmpfunc.cc:5899: Item* Item_equal::get_first(JOIN_TAB*, Item*)
--echo #
CREATE TABLE t1 ( a VARCHAR(3) );
CREATE TABLE t2 ( b VARCHAR(3), c VARCHAR(8), KEY(c) );
INSERT INTO t2 VALUES ('USA','Abilene'),('USA','Akron');
EXPLAIN
SELECT * FROM
( SELECT * FROM t1 ) AS alias1,
t2 AS alias2
WHERE b = a AND a IN (
SELECT alias3.c
FROM t2 AS alias3, t2 AS alias4
WHERE alias4.c = alias3.b
);
DROP TABLE t1,t2;
--echo #
--echo # BUG#928048: Query containing IN subquery with OR in the where clause returns a wrong result
--echo #
create table t1 (a int, b int);
insert into t1 values (7,5), (3,3), (5,4), (9,3);
create table t2 (a int, b int, index i_a(a));
insert into t2 values
(4,2), (7,9), (7,4), (3,1), (5,3), (3,1), (9,4), (8,1);
explain select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
drop table t1,t2;
--echo # This must be at the end:
set optimizer_switch=@subselect_sj_mat_tmp;
set join_cache_level=@save_join_cache_level;

12
mysql-test/t/sum_distinct.test
View File

@ -93,3 +93,15 @@ SELECT SUM(DISTINCT id) FROM t1;
SELECT SUM(DISTINCT id % 11) FROM t1;
DROP TABLE t1;
--echo #
--echo # Bug #777654: empty subselect in FROM clause returning
--echo # SUM(DISTINCT) over non-nullable field
--echo #
CREATE TABLE t1 (a int NOT NULL) ;
SELECT SUM(DISTINCT a) FROM t1;
SELECT * FROM (SELECT SUM(DISTINCT a) FROM t1) AS t;
DROP TABLE t1;

57
mysql-test/t/view.test
View File

@ -4018,6 +4018,59 @@ drop table t1,t2;
--echo # -----------------------------------------------------------------
--echo # -- End of 5.1 tests.
--echo # -----------------------------------------------------------------
--echo #
--echo # Bug #794005: crash in st_table::mark_virtual_columns_for_write
--echo #
CREATE TABLE t1 (a int);
insert into t1 values (1);
CREATE TABLE t2 (a int);
insert into t2 values (1);
CREATE VIEW v2 AS SELECT * FROM t2;
CREATE VIEW v1 AS SELECT * FROM v2;
CREATE VIEW v3 AS SELECT t2.a,v1.a as b FROM t2,v1 where t2.a=v1.a;
CREATE OR REPLACE ALGORITHM = TEMPTABLE VIEW v2 AS SELECT * FROM t1;
--error ER_NON_UPDATABLE_TABLE
UPDATE v1 SET a = 10;
--error ER_NON_INSERTABLE_TABLE
REPLACE v1 SET a = 10;
--error ER_NON_INSERTABLE_TABLE
INSERT into v1 values (20);
--error ER_NON_UPDATABLE_TABLE
DELETE from v1;
--error ER_NON_UPDATABLE_TABLE
UPDATE v3 SET b= 10;
--error ER_NON_INSERTABLE_TABLE
REPLACE v3 SET b= 10;
--error ER_NON_INSERTABLE_TABLE
INSERT into v3(b) values (20);
--error ER_VIEW_DELETE_MERGE_VIEW
DELETE from v3 where b=20;
--error ER_VIEW_DELETE_MERGE_VIEW
DELETE from v3 where a=20;
--error ER_NON_UPDATABLE_TABLE
DELETE v1 from v1,t1 where v1.a=t1.a;
UPDATE v3 SET a = 10;
REPLACE v3 SET a = 11;
INSERT INTO v3(a) values (20);
select * from t1;
select * from t2;
CREATE OR REPLACE ALGORITHM = MERGE VIEW v2 AS SELECT * FROM t2;
DELETE from v1 where a=11;
DELETE v1 from v1,t1 where v1.a=t1.a;
select * from t1;
select * from t2;
DROP VIEW v1,v2,v3;
DROP TABLE t1,t2;
--echo # -----------------------------------------------------------------
--echo # -- End of 5.2 tests.
--echo # -----------------------------------------------------------------
--echo #
--echo # Bug #59696 Optimizer does not use equalities for conditions over view
@ -4493,4 +4546,8 @@ SELECT * FROM t1 RIGHT JOIN v2 ON ( v2.a = t1.a ) WHERE v2.b IN ( SELECT b FROM
DROP VIEW v2;
DROP TABLE t1, t2, t3;
--echo # -----------------------------------------------------------------
--echo # -- End of 5.3 tests.
--echo # -----------------------------------------------------------------
SET optimizer_switch=@save_optimizer_switch;

128
mysql-test/valgrind.supp
View File

@ -413,133 +413,19 @@
fun:__libc_start_main
}
{
dlclose memory loss from udf_free
Memcheck:Leak
fun:calloc
fun:_dlerror_run
fun:dlclose
fun:_Z8udf_freev
}
#
# dlclose can allocate memory for error message, the memory will be
# freed by dlerror or other dl* function.
#
{
dlsym memory loss from udf_free on SuSE 11.1 x64 variant 2
memory "loss" from dlclose error messages
Memcheck:Leak
fun:calloc
obj:/lib*/ld-*.so
fun:dlclose
fun:udf_free
}
{
dlclose memory loss from plugin variant 1
Memcheck:Leak
fun:calloc
fun:_dlerror_run
fun:dlclose
fun:plugin_dl_del(st_mysql_lex_string const*)
}
{
dlclose memory loss from plugin variant 2
Memcheck:Leak
fun:malloc
fun:_dl_close_worker
fun:_dl_close
fun:_dl_catch_error
fun:_dlerror_run
fun:dlclose
fun:_Z15free_plugin_memP12st_plugin_dl
fun:_Z13plugin_dl_delPK19st_mysql_lex_string
}
{
dlclose memory loss from plugin variant 3
Memcheck:Leak
fun:malloc
fun:_dl_scope_free
fun:_dl_close_worker
fun:_dl_close
fun:_dl_catch_error
fun:_dlerror_run
fun:dlclose
fun:_Z15free_plugin_memP12st_plugin_dl
fun:_Z13plugin_dl_delPK19st_mysql_lex_string
}
{
dlclose memory loss from plugin variant 4
Memcheck:Leak
fun:malloc
obj:/lib*/ld-*.so
obj:/lib*/ld-*.so
obj:/lib*/ld-*.so
obj:/lib*/libdl-*.so
fun:dlclose
fun:_ZL15free_plugin_memP12st_plugin_dl
fun:_ZL13plugin_dl_delPK19st_mysql_lex_string
}
{
dlclose memory loss from plugin variant 5
Memcheck:Leak
fun:malloc
obj:/lib*/ld-*.so
obj:/lib*/ld-*.so
obj:/lib*/ld-*.so
obj:/lib*/ld-*.so
obj:/lib*/libdl-*.so
fun:*alloc
...
fun:dlclose
}
{
dlclose memory loss from plugin variant 6, seen on Ubuntu Jaunty i686
Memcheck:Leak
fun:malloc
fun:_dl_scope_free
fun:_dl_close_worker
fun:_dl_close
fun:dlclose_doit
fun:_dl_catch_error
fun:_dlerror_run
fun:dlclose
fun:_ZL15free_plugin_memP12st_plugin_dl
fun:_ZL13plugin_dl_delPK19st_mysql_lex_string
}
{
dlclose memory loss from plugin variant 7, seen on Ubuntu Jaunty i686
Memcheck:Leak
fun:malloc
fun:_dl_close_worker
fun:_dl_close
fun:dlclose_doit
fun:_dl_catch_error
fun:_dlerror_run
fun:dlclose
fun:_ZL15free_plugin_memP12st_plugin_dl
fun:_ZL13plugin_dl_delPK19st_mysql_lex_string
}
{
dlclose memory loss from plugin variant 8
Memcheck:Leak
fun:calloc
fun:_dlerror_run
fun:dlclose
fun:_Z15free_plugin_memP12st_plugin_dl
fun:_Z13plugin_dl_delPK19st_mysql_lex_string
}
{
dlclose memory loss from plugin variant 9
Memcheck:Leak
fun:calloc
fun:_dlerror_run
fun:dlclose
fun:_ZL15free_plugin_memP12st_plugin_dl
fun:_ZL13plugin_dl_delPK19st_mysql_lex_string
}
{
dlclose memory loss from plugin variant 10

2
plugin/auth_dialog/dialog.c
View File

@ -148,6 +148,8 @@ static int perform_dialog(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
if (res)
return CR_ERROR;
first= 0;
/* repeat unless it was the last question */
} while ((cmd & 1) != 1);

37
plugin/auth_pam/auth_pam.c
View File

@ -1,5 +1,6 @@
#include <mysql/plugin_auth.h>
#include <string.h>
#include <my_config.h>
#include <security/pam_appl.h>
#include <security/pam_modules.h>
@ -8,6 +9,24 @@ struct param {
MYSQL_PLUGIN_VIO *vio;
};
/* It least solaris doesn't have strndup */
#ifndef HAVE_STRNDUP
char *strndup(const char *from, size_t length)
{
char *ptr;
size_t max_length= strlen(from);
if (length > max_length)
length= max_length;
if ((ptr= (char*) malloc(length+1)) != 0)
{
memcpy((char*) ptr, (char*) from, length);
ptr[length]=0;
}
return ptr;
}
#endif
static int conv(int n, const struct pam_message **msg,
struct pam_response **resp, void *data)
{
@ -71,13 +90,21 @@ static int conv(int n, const struct pam_message **msg,
#define DO(X) if ((status = (X)) != PAM_SUCCESS) goto end
#ifdef SOLARIS
typedef void** pam_get_item_3_arg;
#else
typedef const void** pam_get_item_3_arg;
#endif
static int pam_auth(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info)
{
pam_handle_t *pamh = NULL;
int status;
const char *new_username;
struct param param;
struct pam_conv c = { &conv, &param };
/* The following is written in such a way to make also solaris happy */
struct pam_conv pam_start_arg = { &conv, NULL };
pam_start_arg.appdata_ptr= (char*) &param;
/*
get the service name, as specified in
@ -90,10 +117,10 @@ static int pam_auth(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info)
param.ptr = param.buf + 1;
param.vio = vio;
DO( pam_start(service, info->user_name, &c, &pamh) );
DO( pam_start(service, info->user_name, &pam_start_arg, &pamh) );
DO( pam_authenticate (pamh, 0) );
DO( pam_acct_mgmt(pamh, 0) );
DO( pam_get_item(pamh, PAM_USER, (const void**)&new_username) );
DO( pam_get_item(pamh, PAM_USER, (pam_get_item_3_arg) &new_username) );
if (new_username && strcmp(new_username, info->user_name))
strncpy(info->authenticated_as, new_username,
@ -104,7 +131,7 @@ end:
return status == PAM_SUCCESS ? CR_OK : CR_ERROR;
}
static struct st_mysql_auth pam_info =
static struct st_mysql_auth info =
{
MYSQL_AUTHENTICATION_INTERFACE_VERSION,
"dialog",
@ -114,7 +141,7 @@ static struct st_mysql_auth pam_info =
maria_declare_plugin(pam)
{
MYSQL_AUTHENTICATION_PLUGIN,
&pam_info,
&info,
"pam",
"Sergei Golubchik",
"PAM based authentication",

4
plugin/auth_socket/auth_socket.c
View File

@ -89,7 +89,7 @@ mysql_declare_plugin(socket_auth)
{
MYSQL_AUTHENTICATION_PLUGIN,
&socket_auth_handler,
"auth_socket",
"unix_socket",
"Sergei Golubchik",
"Unix Socket based authentication",
PLUGIN_LICENSE_GPL,
@ -106,7 +106,7 @@ maria_declare_plugin(socket_auth)
{
MYSQL_AUTHENTICATION_PLUGIN,
&socket_auth_handler,
"auth_socket",
"unix_socket",
"Sergei Golubchik",
"Unix Socket based authentication",
PLUGIN_LICENSE_GPL,

2
sql/ha_partition.cc
View File

@ -4069,6 +4069,8 @@ int ha_partition::rnd_next(uchar *buf)
int result= HA_ERR_END_OF_FILE;
uint part_id= m_part_spec.start_part;
DBUG_ENTER("ha_partition::rnd_next");
/* upper level will increment this once again at end of call */
decrement_statistics(&SSV::ha_read_rnd_next_count);
if (NO_CURRENT_PART_ID == part_id)

37
sql/item.cc
View File

@ -5378,7 +5378,8 @@ bool Item_field::set_no_const_sub(uchar *arg)
Item *Item_field::replace_equal_field(uchar *arg)
{
if (item_equal && item_equal == (Item_equal *) arg)
REPLACE_EQUAL_FIELD_ARG* param= (REPLACE_EQUAL_FIELD_ARG*)arg;
if (item_equal && item_equal == param->item_equal)
{
Item *const_item= item_equal->get_const();
if (const_item)
@ -5387,7 +5388,8 @@ Item *Item_field::replace_equal_field(uchar *arg)
return this;
return const_item;
}
Item_field *subst= (Item_field *)(item_equal->get_first(this));
Item_field *subst=
(Item_field *)(item_equal->get_first(param->context_tab, this));
if (subst)
subst= (Item_field *) (subst->real_item());
if (subst && !field->eq(subst->field))
@ -9467,13 +9469,13 @@ void Item_type_holder::get_full_info(Item *item)
DBUG_ASSERT((enum_set_typelib &&
get_real_type(item) == MYSQL_TYPE_NULL) ||
(!enum_set_typelib &&
item->type() == Item::FIELD_ITEM &&
(get_real_type(item) == MYSQL_TYPE_ENUM ||
get_real_type(item) == MYSQL_TYPE_SET) &&
((Field_enum*)((Item_field *) item)->field)->typelib));
item->real_item()->type() == Item::FIELD_ITEM &&
(get_real_type(item->real_item()) == MYSQL_TYPE_ENUM ||
get_real_type(item->real_item()) == MYSQL_TYPE_SET) &&
((Field_enum*)((Item_field *) item->real_item())->field)->typelib));
if (!enum_set_typelib)
{
enum_set_typelib= ((Field_enum*)((Item_field *) item)->field)->typelib;
enum_set_typelib= ((Field_enum*)((Item_field *) item->real_item())->field)->typelib;
}
}
}
@ -9558,18 +9560,22 @@ void Item_ref::update_used_tables()
}
table_map Item_direct_view_ref::used_tables() const
table_map Item_direct_view_ref::used_tables() const
{
return get_depended_from() ?
return get_depended_from() ?
OUTER_REF_TABLE_BIT :
(view->merged ? (*ref)->used_tables() : view->table->map);
((view->merged || !view->table) ?
(*ref)->used_tables() :
view->table->map);
}
table_map Item_direct_view_ref::not_null_tables() const
table_map Item_direct_view_ref::not_null_tables() const
{
return get_depended_from() ?
return get_depended_from() ?
0 :
(view->merged ? (*ref)->not_null_tables() : view->table->map);
((view->merged || !view->table) ?
(*ref)->not_null_tables() :
view->table->map);
}
/*
@ -9583,6 +9589,8 @@ table_map Item_ref_null_helper::used_tables() const
}
#ifndef DBUG_OFF
/* Debugger help function */
static char dbug_item_print_buf[256];
@ -9599,6 +9607,9 @@ const char *dbug_print_item(Item *item)
else
return "Couldn't fit into buffer";
}
#endif /*DBUG_OFF*/
/*****************************************************************************
** Instantiate templates
*****************************************************************************/

11
sql/item.h
View File

@ -471,6 +471,16 @@ typedef enum monotonicity_info
class sp_rcontext;
class Item_equal;
struct st_join_table* const NO_PARTICULAR_TAB= (struct st_join_table*)0x1;
typedef struct replace_equal_field_arg
{
Item_equal *item_equal;
struct st_join_table *context_tab;
} REPLACE_EQUAL_FIELD_ARG;
class Settable_routine_parameter
{
public:
@ -1283,6 +1293,7 @@ public:
virtual Item *equal_fields_propagator(uchar * arg) { return this; }
virtual bool set_no_const_sub(uchar *arg) { return FALSE; }
/* arg points to REPLACE_EQUAL_FIELD_ARG object */
virtual Item *replace_equal_field(uchar * arg) { return this; }
/*
Check if an expression value has allowed arguments, like DATE/DATETIME

20
sql/item_cmpfunc.cc
View File

@ -5804,7 +5804,7 @@ longlong Item_equal::val_int()
void Item_equal::fix_length_and_dec()
{
Item *item= get_first(NULL);
Item *item= get_first(NO_PARTICULAR_TAB, NULL);
eval_item= cmp_item::get_comparator(item->cmp_type(), item,
item->collation.collation);
}
@ -5904,7 +5904,7 @@ CHARSET_INFO *Item_equal::compare_collation()
@retval 0 if no field found.
*/
Item* Item_equal::get_first(Item *field_item)
Item* Item_equal::get_first(JOIN_TAB *context, Item *field_item)
{
Item_equal_fields_iterator it(*this);
Item *item;
@ -5932,18 +5932,24 @@ Item* Item_equal::get_first(Item *field_item)
in presense of SJM nests.
*/
TABLE_LIST *emb_nest= field->table->pos_in_table_list->embedding;
TABLE_LIST *emb_nest;
if (context != NO_PARTICULAR_TAB)
emb_nest= context->emb_sj_nest;
else
emb_nest= field->table->pos_in_table_list->embedding;
if (emb_nest && emb_nest->sj_mat_info && emb_nest->sj_mat_info->is_used)
{
/*
It's a field from an materialized semi-join. We can substitute it only
for a field from the same semi-join. Find the first of such items.
It's a field from an materialized semi-join. We can substitute it for
- a constant item
- a field from the same semi-join
Find the first of such items:
*/
while ((item= it++))
{
if (it.get_curr_field()->table->pos_in_table_list->embedding == emb_nest)
if (item->const_item() ||
it.get_curr_field()->table->pos_in_table_list->embedding == emb_nest)
{
/*
If we found given field then return NULL to avoid unnecessary

2
sql/item_cmpfunc.h
View File

@ -1705,7 +1705,7 @@ public:
/** Add a non-constant item to the multiple equality */
void add(Item *f) { equal_items.push_back(f); }
bool contains(Field *field);
Item* get_first(Item *field);
Item* get_first(struct st_join_table *context, Item *field);
/** Get number of field items / references to field items in this object */
uint n_field_items() { return equal_items.elements-test(with_const); }
void merge(Item_equal *item);

18
sql/item_subselect.cc
View File

@ -1271,7 +1271,8 @@ void Item_exists_subselect::fix_length_and_dec()
We need only 1 row to determine existence (i.e. any EXISTS that is not
an IN always requires LIMIT 1)
*/
unit->global_parameters->select_limit= new Item_int((int32) 1);
thd->change_item_tree(&unit->global_parameters->select_limit,
new Item_int((int32) 1));
DBUG_PRINT("info", ("Set limit to 1"));
DBUG_VOID_RETURN;
}
@ -1597,7 +1598,6 @@ Item_in_subselect::single_value_transformer(JOIN *join)
(Item**)optimizer->get_cache(),
(char *)"<no matter>",
(char *)in_left_expr_name);
}
DBUG_RETURN(false);
@ -1684,10 +1684,6 @@ bool Item_allany_subselect::transform_into_max_min(JOIN *join)
DBUG_EXECUTE("where",
print_where(item, "rewrite with MIN/MAX", QT_ORDINARY););
if (thd->variables.sql_mode & MODE_ONLY_FULL_GROUP_BY)
{
select_lex->set_non_agg_field_used(false);
}
save_allow_sum_func= thd->lex->allow_sum_func;
thd->lex->allow_sum_func|= 1 << thd->lex->current_select->nest_level;
@ -2244,7 +2240,12 @@ bool Item_in_subselect::create_in_to_exists_cond(JOIN *join_arg)
/*
The IN=>EXISTS transformation makes non-correlated subqueries correlated.
*/
join_arg->select_lex->uncacheable|= UNCACHEABLE_DEPENDENT_INJECTED;
if (!left_expr->const_item() || left_expr->is_expensive())
{
join_arg->select_lex->uncacheable|= UNCACHEABLE_DEPENDENT_INJECTED;
join_arg->select_lex->master_unit()->uncacheable|=
UNCACHEABLE_DEPENDENT_INJECTED;
}
/*
The uncacheable property controls a number of actions, e.g. whether to
save/restore (via init_save_join_tab/restore_tmp) the original JOIN for
@ -2510,6 +2511,7 @@ bool Item_in_subselect::fix_fields(THD *thd_arg, Item **ref)
left_expr && !left_expr->fixed &&
left_expr->fix_fields(thd_arg, &left_expr))
return TRUE;
else
if (Item_subselect::fix_fields(thd_arg, ref))
return TRUE;
fixed= TRUE;
@ -3159,6 +3161,8 @@ bool subselect_uniquesubquery_engine::copy_ref_key()
for (store_key **copy= tab->ref.key_copy ; *copy ; copy++)
{
if ((*copy)->store_key_is_const())
continue;
tab->ref.key_err= (*copy)->copy();
/*

3
sql/item_sum.cc
View File

@ -1129,13 +1129,12 @@ Item_sum_num::fix_fields(THD *thd, Item **ref)
return TRUE;
decimals=0;
maybe_null=0;
maybe_null= sum_func() != COUNT_FUNC;
for (uint i=0 ; i < arg_count ; i++)
{
if (args[i]->fix_fields(thd, args + i) || args[i]->check_cols(1))
return TRUE;
set_if_bigger(decimals, args[i]->decimals);
maybe_null |= args[i]->maybe_null;
}
result_field=0;
max_length=float_length(decimals);

23
sql/multi_range_read.cc
View File

@ -482,6 +482,10 @@ void Mrr_ordered_index_reader::resume_read()
/**
Fill the buffer with (lookup_tuple, range_id) pairs and sort
@return
0 OK, the buffer is non-empty and sorted
HA_ERR_END_OF_FILE Source exhausted, the buffer is empty.
*/
int Mrr_ordered_index_reader::refill_buffer(bool initial)
@ -518,6 +522,13 @@ int Mrr_ordered_index_reader::refill_buffer(bool initial)
if (source_exhausted && key_buffer->is_empty())
DBUG_RETURN(HA_ERR_END_OF_FILE);
if (!initial)
{
/* This is a non-initial buffer fill and we've got a non-empty buffer */
THD *thd= current_thd;
status_var_increment(thd->status_var.ha_mrr_extra_key_sorts);
}
key_buffer->sort((key_buffer->type() == Lifo_buffer::FORWARD)?
(qsort2_cmp)Mrr_ordered_index_reader::compare_keys_reverse :
(qsort2_cmp)Mrr_ordered_index_reader::compare_keys,
@ -592,6 +603,7 @@ int Mrr_ordered_rndpos_reader::init(handler *h_arg,
int Mrr_ordered_rndpos_reader::refill_buffer(bool initial)
{
int res;
bool first_call= initial;
DBUG_ENTER("Mrr_ordered_rndpos_reader::refill_buffer");
if (index_reader_exhausted)
@ -609,6 +621,14 @@ int Mrr_ordered_rndpos_reader::refill_buffer(bool initial)
initial= FALSE;
index_reader_needs_refill= FALSE;
}
if (!first_call && !index_reader_exhausted)
{
/* Ok, this was a successful buffer refill operation */
THD *thd= current_thd;
status_var_increment(thd->status_var.ha_mrr_extra_rowid_sorts);
}
DBUG_RETURN(res);
}
@ -841,8 +861,7 @@ int DsMrr_impl::dsmrr_init(handler *h_arg, RANGE_SEQ_IF *seq_funcs,
strategy= disk_strategy= &reader_factory.ordered_rndpos_reader;
}
if (is_mrr_assoc)
status_var_increment(thd->status_var.ha_multi_range_read_init_count);
status_var_increment(thd->status_var.ha_multi_range_read_init_count);
full_buf= buf->buffer;
full_buf_end= buf->buffer_end;

16
sql/mysqld.cc
View File

@ -1883,7 +1883,6 @@ static void clean_up_mutexes()
mysql_mutex_destroy(&LOCK_delayed_insert);
mysql_mutex_destroy(&LOCK_delayed_status);
mysql_mutex_destroy(&LOCK_delayed_create);
mysql_mutex_destroy(&LOCK_manager);
mysql_mutex_destroy(&LOCK_crypt);
mysql_mutex_destroy(&LOCK_user_conn);
mysql_mutex_destroy(&LOCK_connection_count);
@ -1914,7 +1913,6 @@ static void clean_up_mutexes()
mysql_cond_destroy(&COND_thread_count);
mysql_cond_destroy(&COND_thread_cache);
mysql_cond_destroy(&COND_flush_thread_cache);
mysql_cond_destroy(&COND_manager);
mysql_mutex_destroy(&LOCK_server_started);
mysql_cond_destroy(&COND_server_started);
mysql_mutex_destroy(&LOCK_prepare_ordered);
@ -3776,8 +3774,6 @@ static int init_thread_environment()
&LOCK_delayed_status, MY_MUTEX_INIT_FAST);
mysql_mutex_init(key_LOCK_delayed_create,
&LOCK_delayed_create, MY_MUTEX_INIT_SLOW);
mysql_mutex_init(key_LOCK_manager,
&LOCK_manager, MY_MUTEX_INIT_FAST);
mysql_mutex_init(key_LOCK_crypt, &LOCK_crypt, MY_MUTEX_INIT_FAST);
mysql_mutex_init(key_LOCK_user_conn, &LOCK_user_conn, MY_MUTEX_INIT_FAST);
mysql_mutex_init(key_LOCK_active_mi, &LOCK_active_mi, MY_MUTEX_INIT_FAST);
@ -3826,7 +3822,6 @@ static int init_thread_environment()
mysql_cond_init(key_COND_thread_count, &COND_thread_count, NULL);
mysql_cond_init(key_COND_thread_cache, &COND_thread_cache, NULL);
mysql_cond_init(key_COND_flush_thread_cache, &COND_flush_thread_cache, NULL);
mysql_cond_init(key_COND_manager, &COND_manager, NULL);
#ifdef HAVE_REPLICATION
mysql_mutex_init(key_LOCK_rpl_status, &LOCK_rpl_status, MY_MUTEX_INIT_FAST);
mysql_cond_init(key_COND_rpl_status, &COND_rpl_status, NULL);
@ -6874,6 +6869,12 @@ SHOW_VAR status_vars[]= {
{"Handler_commit", (char*) offsetof(STATUS_VAR, ha_commit_count), SHOW_LONG_STATUS},
{"Handler_delete", (char*) offsetof(STATUS_VAR, ha_delete_count), SHOW_LONG_STATUS},
{"Handler_discover", (char*) offsetof(STATUS_VAR, ha_discover_count), SHOW_LONG_STATUS},
#if 0
/* Made 3 counters below temporarily invisible until we agree upon their names */
{"Handler_mrr_extra_key_sorts", (char*) offsetof(STATUS_VAR, ha_mrr_extra_key_sorts), SHOW_LONG_STATUS},
{"Handler_mrr_extra_rowid_sorts", (char*) offsetof(STATUS_VAR, ha_mrr_extra_rowid_sorts), SHOW_LONG_STATUS},
{"Handler_mrr_init", (char*) offsetof(STATUS_VAR, ha_multi_range_read_init_count), SHOW_LONG_STATUS},
#endif
{"Handler_prepare", (char*) offsetof(STATUS_VAR, ha_prepare_count), SHOW_LONG_STATUS},
{"Handler_read_first", (char*) offsetof(STATUS_VAR, ha_read_first_count), SHOW_LONG_STATUS},
{"Handler_read_key", (char*) offsetof(STATUS_VAR, ha_read_key_count), SHOW_LONG_STATUS},
@ -6881,14 +6882,15 @@ SHOW_VAR status_vars[]= {
{"Handler_read_next", (char*) offsetof(STATUS_VAR, ha_read_next_count), SHOW_LONG_STATUS},
{"Handler_read_prev", (char*) offsetof(STATUS_VAR, ha_read_prev_count), SHOW_LONG_STATUS},
{"Handler_read_rnd", (char*) offsetof(STATUS_VAR, ha_read_rnd_count), SHOW_LONG_STATUS},
{"Handler_read_rnd_deleted", (char*) offsetof(STATUS_VAR, ha_read_rnd_deleted_count), SHOW_LONG_STATUS},
{"Handler_read_rnd_next", (char*) offsetof(STATUS_VAR, ha_read_rnd_next_count), SHOW_LONG_STATUS},
{"Handler_rollback", (char*) offsetof(STATUS_VAR, ha_rollback_count), SHOW_LONG_STATUS},
{"Handler_savepoint", (char*) offsetof(STATUS_VAR, ha_savepoint_count), SHOW_LONG_STATUS},
{"Handler_savepoint_rollback",(char*) offsetof(STATUS_VAR, ha_savepoint_rollback_count), SHOW_LONG_STATUS},
{"Handler_update", (char*) offsetof(STATUS_VAR, ha_update_count), SHOW_LONG_STATUS},
{"Handler_write", (char*) offsetof(STATUS_VAR, ha_write_count), SHOW_LONG_STATUS},
{"Handler_tmp_update", (char*) offsetof(STATUS_VAR, ha_tmp_update_count), SHOW_LONG_STATUS},
{"Handler_tmp_write", (char*) offsetof(STATUS_VAR, ha_tmp_write_count), SHOW_LONG_STATUS},
{"Handler_update", (char*) offsetof(STATUS_VAR, ha_update_count), SHOW_LONG_STATUS},
{"Handler_write", (char*) offsetof(STATUS_VAR, ha_write_count), SHOW_LONG_STATUS},
{"Key", (char*) &show_default_keycache, SHOW_FUNC},
{"Last_query_cost", (char*) offsetof(STATUS_VAR, last_query_cost), SHOW_DOUBLE_STATUS},
{"Max_used_connections", (char*) &max_used_connections, SHOW_LONG},

56
sql/opt_subselect.cc
View File

@ -4080,7 +4080,8 @@ int setup_semijoin_dups_elimination(JOIN *join, ulonglong options,
{
uint i;
DBUG_ENTER("setup_semijoin_dups_elimination");
join->complex_firstmatch_tables= table_map(0);
POSITION *pos= join->best_positions + join->const_tables;
for (i= join->const_tables ; i < join->top_join_tab_count; )
@ -4099,6 +4100,11 @@ int setup_semijoin_dups_elimination(JOIN *join, ulonglong options,
{
/* We jump from the last table to the first one */
tab->loosescan_match_tab= tab + pos->n_sj_tables - 1;
/* LooseScan requires records to be produced in order */
if (tab->select && tab->select->quick)
tab->select->quick->need_sorted_output();
for (uint j= i; j < i + pos->n_sj_tables; j++)
join->join_tab[j].inside_loosescan_range= TRUE;
@ -4108,6 +4114,7 @@ int setup_semijoin_dups_elimination(JOIN *join, ulonglong options,
for (uint kp=0; kp < pos->loosescan_picker.loosescan_parts; kp++)
keylen += tab->table->key_info[keyno].key_part[kp].store_length;
tab->loosescan_key= keyno;
tab->loosescan_key_len= keylen;
if (pos->n_sj_tables > 1)
tab[pos->n_sj_tables - 1].do_firstmatch= tab;
@ -4163,16 +4170,46 @@ int setup_semijoin_dups_elimination(JOIN *join, ulonglong options,
}
case SJ_OPT_FIRST_MATCH:
{
JOIN_TAB *j, *jump_to= tab-1;
JOIN_TAB *j;
JOIN_TAB *jump_to= tab-1;
bool complex_range= FALSE;
table_map tables_in_range= table_map(0);
for (j= tab; j != tab + pos->n_sj_tables; j++)
{
/*
NOTE: this loop probably doesn't do the right thing for the case
where FirstMatch's duplicate-generating range is interleaved with
"unrelated" tables (as specified in WL#3750, section 2.2).
*/
tables_in_range |= j->table->map;
if (!j->emb_sj_nest)
jump_to= tab;
{
/*
Got a table that's not within any semi-join nest. This is a case
like this:
SELECT * FROM ot1, nt1 WHERE ot1.col IN (SELECT expr FROM it1, it2)
with a join order of
+----- FirstMatch range ----+
| |
ot1 it1 nt1 nt2 it2 it3 ...
| ^
| +-------- 'j' points here
+------------- SJ_OPT_FIRST_MATCH was set for this table as
it's the first one that produces duplicates
*/
DBUG_ASSERT(j != tab); /* table ntX must have an itX before it */
/*
If the table right before us is an inner table (like it1 in the
picture), it should be set to jump back to previous outer-table
*/
if (j[-1].emb_sj_nest)
j[-1].do_firstmatch= jump_to;
jump_to= j; /* Jump back to us */
complex_range= TRUE;
}
else
{
j->first_sj_inner_tab= tab;
@ -4182,6 +4219,9 @@ int setup_semijoin_dups_elimination(JOIN *join, ulonglong options,
j[-1].do_firstmatch= jump_to;
i+= pos->n_sj_tables;
pos+= pos->n_sj_tables;
if (complex_range)
join->complex_firstmatch_tables|= tables_in_range;
break;
}
case SJ_OPT_NONE:

7
sql/opt_sum.cc
View File

@ -627,7 +627,12 @@ static bool matching_cond(bool max_fl, TABLE_REF *ref, KEY *keyinfo,
if (!cond)
DBUG_RETURN(TRUE);
Field *field= field_part->field;
if (!(cond->used_tables() & field->table->map))
if (cond->used_tables() & OUTER_REF_TABLE_BIT)
{
DBUG_RETURN(FALSE);
}
if (!(cond->used_tables() & field->table->map) &&
test(cond->used_tables() & ~PSEUDO_TABLE_BITS))
{
/* Condition doesn't restrict the used table */
DBUG_RETURN(!cond->const_item());

8
sql/slave.cc
View File

@ -2927,9 +2927,8 @@ pthread_handler_t handle_slave_io(void *arg)
if (init_slave_thread(thd, SLAVE_THD_IO))
{
mysql_cond_broadcast(&mi->start_cond);
mysql_mutex_unlock(&mi->run_lock);
sql_print_error("Failed during slave I/O thread initialization");
goto err;
goto err_during_init;
}
mysql_mutex_lock(&LOCK_thread_count);
threads.append(thd);
@ -3232,6 +3231,7 @@ err:
thd_proc_info(thd, "Waiting for slave mutex on exit");
mysql_mutex_lock(&mi->run_lock);
err_during_init:
/* Forget the relay log's format */
delete mi->rli.relay_log.description_event_for_queue;
mi->rli.relay_log.description_event_for_queue= 0;
@ -3357,10 +3357,9 @@ pthread_handler_t handle_slave_sql(void *arg)
will be stuck if we fail here
*/
mysql_cond_broadcast(&rli->start_cond);
mysql_mutex_unlock(&rli->run_lock);
rli->report(ERROR_LEVEL, ER_SLAVE_FATAL_ERROR,
"Failed during slave thread initialization");
goto err;
goto err_during_init;
}
thd->init_for_queries();
thd->temporary_tables = rli->save_temporary_tables; // restore temp tables
@ -3613,6 +3612,7 @@ the slave SQL thread with \"SLAVE START\". We stopped at log \
thd->reset_db(NULL, 0);
thd_proc_info(thd, "Waiting for slave mutex on exit");
mysql_mutex_lock(&rli->run_lock);
err_during_init:
/* We need data_lock, at least to wake up any waiting master_pos_wait() */
mysql_mutex_lock(&rli->data_lock);
DBUG_ASSERT(rli->slave_running == 1); // tracking buffer overrun

37
sql/sql_acl.cc
View File

@ -8399,22 +8399,9 @@ static ulong parse_client_handshake_packet(MPVIO_EXT *mpvio,
ulong client_capabilities= uint2korr(net->read_pos);
if (client_capabilities & CLIENT_PROTOCOL_41)
{
if (pkt_len < 32)
if (pkt_len < 4)
return packet_error;
client_capabilities|= ((ulong) uint2korr(net->read_pos+2)) << 16;
thd->max_client_packet_length= uint4korr(net->read_pos+4);
DBUG_PRINT("info", ("client_character_set: %d", (uint) net->read_pos[8]));
if (thd_init_client_charset(thd, (uint) net->read_pos[8]))
return packet_error;
thd->update_charset();
end= (char*) net->read_pos + 32;
}
else
{
if (pkt_len < 5)
return packet_error;
thd->max_client_packet_length= uint3korr(net->read_pos+2);
end= (char*) net->read_pos+5;
}
/* Disable those bits which are not supported by the client. */
@ -8446,6 +8433,28 @@ static ulong parse_client_handshake_packet(MPVIO_EXT *mpvio,
}
}
if (client_capabilities & CLIENT_PROTOCOL_41)
{
if (pkt_len < 32)
return packet_error;
thd->max_client_packet_length= uint4korr(net->read_pos+4);
DBUG_PRINT("info", ("client_character_set: %d", (uint) net->read_pos[8]));
if (thd_init_client_charset(thd, (uint) net->read_pos[8]))
return packet_error;
thd->update_charset();
end= (char*) net->read_pos+32;
}
else
{
if (pkt_len < 5)
return packet_error;
thd->max_client_packet_length= uint3korr(net->read_pos+2);
end= (char*) net->read_pos+5;
}
if (end >= (char*) net->read_pos+ pkt_len +2)
return packet_error;
if (thd->client_capabilities & CLIENT_IGNORE_SPACE)
thd->variables.sql_mode|= MODE_IGNORE_SPACE;
if (thd->client_capabilities & CLIENT_INTERACTIVE)

32
sql/sql_base.cc
View File

@ -1923,14 +1923,15 @@ TABLE_LIST* find_dup_table(THD *thd, TABLE_LIST *table, TABLE_LIST *table_list,
t_name= table->table_name;
t_alias= table->alias;
retry:
DBUG_PRINT("info", ("real table: %s.%s", d_name, t_name));
for (;;)
for (TABLE_LIST *tl= table_list;;)
{
/*
Table is unique if it is present only once in the global list
of tables and once in the list of table locks.
*/
if (! (res= find_table_in_global_list(table_list, d_name, t_name)))
if (! (res= find_table_in_global_list(tl, d_name, t_name)))
break;
/* Skip if same underlying table. */
@ -1961,10 +1962,23 @@ TABLE_LIST* find_dup_table(THD *thd, TABLE_LIST *table, TABLE_LIST *table_list,
(exclude_from_table_unique_test) or prelocking placeholder.
*/
next:
table_list= res->next_global;
tl= res->next_global;
DBUG_PRINT("info",
("found same copy of table or table which we should skip"));
}
if (res && res->belong_to_derived)
{
/* Try to fix */
TABLE_LIST *derived= res->belong_to_derived;
if (derived->is_merged_derived())
{
DBUG_PRINT("info",
("convert merged to materialization to resolve the conflict"));
derived->change_refs_to_fields();
derived->set_materialized_derived();
}
goto retry;
}
DBUG_RETURN(res);
}
@ -7363,11 +7377,16 @@ mark_common_columns(THD *thd, TABLE_LIST *table_ref_1, TABLE_LIST *table_ref_2,
if (!(eq_cond= new Item_func_eq(item_ident_1, item_ident_2)))
goto err; /* Out of memory. */
if (field_1 && field_1->vcol_info)
field_1->table->mark_virtual_col(field_1);
if (field_2 && field_2->vcol_info)
field_2->table->mark_virtual_col(field_2);
/*
Add the new equi-join condition to the ON clause. Notice that
fix_fields() is applied to all ON conditions in setup_conds()
so we don't do it here.
*/
*/
add_join_on((table_ref_1->outer_join & JOIN_TYPE_RIGHT ?
table_ref_1 : table_ref_2),
eq_cond);
@ -8085,7 +8104,8 @@ bool setup_tables(THD *thd, Name_resolution_context *context,
while ((table_list= ti++))
{
TABLE *table= table_list->table;
table->pos_in_table_list= table_list;
if (table)
table->pos_in_table_list= table_list;
if (first_select_table &&
table_list->top_table() == first_select_table)
{
@ -8098,7 +8118,7 @@ bool setup_tables(THD *thd, Name_resolution_context *context,
{
table_list->jtbm_table_no= tablenr;
}
else
else if (table)
{
table->pos_in_table_list= table_list;
setup_table_map(table, table_list, tablenr);

29
sql/sql_cache.cc
View File

@ -1463,10 +1463,10 @@ def_week_frmt: %lu, in_trans: %d, autocommit: %d",
In case the wait time can't be determined there is an upper limit which
causes try_lock() to abort with a time out.
The 'TRUE' parameter indicate that the lock is allowed to timeout
The 'TIMEOUT' parameter indicate that the lock is allowed to timeout
*/
if (try_lock(thd, Query_cache::WAIT))
if (try_lock(thd, Query_cache::TIMEOUT))
DBUG_VOID_RETURN;
if (query_cache_size == 0)
{
@ -1674,6 +1674,17 @@ Query_cache::send_result_to_client(THD *thd, char *org_sql, uint query_length)
if (is_disabled() || thd->locked_tables_mode ||
thd->variables.query_cache_type == 0)
goto err;
/*
The following can only happen for prepared statements that was found
during parsing or later that the query was not cacheable.
*/
if (!thd->lex->safe_to_cache_query)
{
DBUG_PRINT("qcache", ("SELECT is non-cacheable"));
goto err;
}
DBUG_ASSERT(query_cache_size != 0); // otherwise cache would be disabled
thd->query_cache_is_applicable= 1;
@ -1959,6 +1970,7 @@ def_week_frmt: %lu, in_trans: %d, autocommit: %d",
faster.
*/
thd->query_cache_is_applicable= 0; // Query can't be cached
thd->lex->safe_to_cache_query= 0; // For prepared statements
BLOCK_UNLOCK_RD(query_block);
DBUG_RETURN(-1);
}
@ -1975,6 +1987,7 @@ def_week_frmt: %lu, in_trans: %d, autocommit: %d",
table_list.db, table_list.alias));
unlock();
thd->query_cache_is_applicable= 0; // Query can't be cached
thd->lex->safe_to_cache_query= 0; // For prepared statements
BLOCK_UNLOCK_RD(query_block);
DBUG_RETURN(-1); // Privilege error
}
@ -1984,6 +1997,7 @@ def_week_frmt: %lu, in_trans: %d, autocommit: %d",
table_list.db, table_list.alias));
BLOCK_UNLOCK_RD(query_block);
thd->query_cache_is_applicable= 0; // Query can't be cached
thd->lex->safe_to_cache_query= 0; // For prepared statements
goto err_unlock; // Parse query
}
#endif /*!NO_EMBEDDED_ACCESS_CHECKS*/
@ -2007,7 +2021,13 @@ def_week_frmt: %lu, in_trans: %d, autocommit: %d",
table->key_length());
}
else
{
/*
As this can change from call to call, don't reset set
thd->lex->safe_to_cache_query
*/
thd->query_cache_is_applicable= 0; // Query can't be cached
}
/* End the statement transaction potentially started by engine. */
trans_rollback_stmt(thd);
goto err_unlock; // Parse query
@ -3901,6 +3921,7 @@ Query_cache::process_and_count_tables(THD *thd, TABLE_LIST *tables_used,
DBUG_PRINT("qcache", ("Don't cache statement as it refers to "
"tables with column privileges."));
thd->query_cache_is_applicable= 0; // Query can't be cached
thd->lex->safe_to_cache_query= 0; // For prepared statements
DBUG_RETURN(0);
}
#endif
@ -4037,6 +4058,10 @@ my_bool Query_cache::ask_handler_allowance(THD *thd,
{
DBUG_PRINT("qcache", ("Handler does not allow caching for %s.%s",
tables_used->db, tables_used->alias));
/*
As this can change from call to call, don't reset set
thd->lex->safe_to_cache_query
*/
thd->query_cache_is_applicable= 0; // Query can't be cached
DBUG_RETURN(1);
}

4
sql/sql_cache.h
View File

@ -443,8 +443,8 @@ protected:
uint def_query_hash_size = QUERY_CACHE_DEF_QUERY_HASH_SIZE,
uint def_table_hash_size = QUERY_CACHE_DEF_TABLE_HASH_SIZE);
bool is_disabled(void) { return m_cache_status != OK; }
bool is_disable_in_progress(void)
inline bool is_disabled(void) { return m_cache_status != OK; }
inline bool is_disable_in_progress(void)
{ return m_cache_status == DISABLE_REQUEST; }
/* initialize cache (mutex) */

12
sql/sql_class.h
View File

@ -585,12 +585,15 @@ typedef struct system_status_var
ulong ha_read_prev_count;
ulong ha_read_rnd_count;
ulong ha_read_rnd_next_count;
ulong ha_read_rnd_deleted_count;
/*
This number doesn't include calls to the default implementation and
calls made by range access. The intent is to count only calls made by
BatchedKeyAccess.
*/
ulong ha_multi_range_read_init_count;
ulong ha_mrr_extra_key_sorts;
ulong ha_mrr_extra_rowid_sorts;
ulong ha_rollback_count;
ulong ha_update_count;
@ -4217,10 +4220,17 @@ inline int handler::ha_ft_read(uchar *buf)
inline int handler::ha_rnd_next(uchar *buf)
{
MYSQL_READ_ROW_START(table_share->db.str, table_share->table_name.str, TRUE);
increment_statistics(&SSV::ha_read_rnd_next_count);
int error= rnd_next(buf);
if (!error)
{
update_rows_read();
increment_statistics(&SSV::ha_read_rnd_next_count);
}
else if (error == HA_ERR_RECORD_DELETED)
increment_statistics(&SSV::ha_read_rnd_deleted_count);
else
increment_statistics(&SSV::ha_read_rnd_next_count);
table->status=error ? STATUS_NOT_FOUND: 0;
MYSQL_READ_ROW_DONE(error);
return error;

7
sql/sql_delete.cc
View File

@ -76,7 +76,7 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
if (mysql_handle_list_of_derived(thd->lex, table_list, DT_PREPARE))
DBUG_RETURN(TRUE);
if (!table_list->updatable)
if (!table_list->single_table_updatable())
{
my_error(ER_NON_UPDATABLE_TABLE, MYF(0), table_list->alias, "DELETE");
DBUG_RETURN(TRUE);
@ -476,7 +476,8 @@ int mysql_prepare_delete(THD *thd, TABLE_LIST *table_list, Item **conds)
setup_conds(thd, table_list, select_lex->leaf_tables, conds) ||
setup_ftfuncs(select_lex))
DBUG_RETURN(TRUE);
if (!table_list->updatable || check_key_in_view(thd, table_list))
if (!table_list->single_table_updatable() ||
check_key_in_view(thd, table_list))
{
my_error(ER_NON_UPDATABLE_TABLE, MYF(0), table_list->alias, "DELETE");
DBUG_RETURN(TRUE);
@ -572,7 +573,7 @@ int mysql_multi_delete_prepare(THD *thd)
DBUG_RETURN(TRUE);
}
if (!target_tbl->correspondent_table->updatable ||
if (!target_tbl->correspondent_table->single_table_updatable() ||
check_key_in_view(thd, target_tbl->correspondent_table))
{
my_error(ER_NON_UPDATABLE_TABLE, MYF(0),

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