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Commit 090b4a10 authored by unknown's avatar unknown
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MWL#89 

Adjusted test cases in accordance with the implementation.
parent 849f56e8
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mysql-test/r/func_compress.result
View file @ 090b4a10
......@@ -102,6 +102,8 @@ a
foo
Warnings:
Error 1259 ZLIB: Input data corrupted
Error 1259 ZLIB: Input data corrupted
Error 1259 ZLIB: Input data corrupted
explain select *, uncompress(a) from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1
......
mysql-test/r/group_by.result
View file @ 090b4a10
......@@ -1543,8 +1543,7 @@ EXPLAIN SELECT 1 FROM t1 WHERE a IN
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index PRIMARY,i2 PRIMARY 4 NULL 144 Using index
1 PRIMARY subselect2 eq_ref unique_key unique_key 4 func 1
2 SUBQUERY t1 ALL NULL NULL NULL NULL 144
1 PRIMARY t1 ALL NULL NULL NULL NULL 144 Using where; FirstMatch(t1)
CREATE TABLE t2 (a INT, b INT, KEY(a));
INSERT INTO t2 VALUES (1, 1), (2, 2), (3,3), (4,4);
EXPLAIN SELECT a, SUM(b) FROM t2 GROUP BY a LIMIT 2;
......
mysql-test/r/group_min_max.result
View file @ 090b4a10
......@@ -2402,7 +2402,7 @@ EXPLAIN SELECT 1 FROM t1 AS t1_outer WHERE
a IN (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1_outer index NULL a 10 NULL 15 Using where; Using index
2 SUBQUERY t1 range NULL a 5 NULL 8 Using index for group-by
2 DEPENDENT SUBQUERY t1 index NULL a 10 NULL 1 Using index
EXPLAIN SELECT 1 FROM t1 AS t1_outer GROUP BY a HAVING
a > (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2);
id select_type table type possible_keys key key_len ref rows Extra
......
mysql-test/r/index_merge_myisam.result
View file @ 090b4a10
......@@ -1484,7 +1484,7 @@ EXPLAIN SELECT t1.f1 FROM t1
WHERE (SELECT COUNT(*) FROM t2 WHERE t2.f3 = 'h' AND t2.f2 = t1.f1) = 0 AND t1.f1 = 2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system PRIMARY NULL NULL NULL 1
2 DEPENDENT SUBQUERY t2 ref f2,f3 f2 5 1 Using where
2 DEPENDENT SUBQUERY t2 ref f2,f3 f2 5 const 1 Using where
DROP TABLE t1,t2;
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
......
mysql-test/r/key.result
View file @ 090b4a10
......@@ -598,7 +598,7 @@ VALUES
EXPLAIN SELECT 1 FROM t1 AS t1_outer WHERE
(SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) > 12;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
1 PRIMARY t1_outer index NULL a 10 NULL 15 Using index
2 SUBQUERY t1 range NULL a 5 NULL 8 Using index for group-by
SELECT 1 as RES FROM t1 AS t1_outer WHERE
(SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) > 12;
......
mysql-test/r/myisam_mrr.result
View file @ 090b4a10
......@@ -347,10 +347,10 @@ WHERE t2.int_key IS NULL
GROUP BY t2.pk
);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY t2 ref int_key int_key 5 1 100.00 Using index condition; Using where; Using filesort
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
2 SUBQUERY t2 ref int_key int_key 5 const 1 100.00 Using index condition; Using where; Using filesort
Warnings:
Note 1003 select min(`test`.`t1`.`pk`) AS `MIN(t1.pk)` from `test`.`t1` where 0
Note 1003 select min(`test`.`t1`.`pk`) AS `MIN(t1.pk)` from `test`.`t1` where exists(select `test`.`t2`.`pk` from `test`.`t2` where isnull(`test`.`t2`.`int_key`) group by `test`.`t2`.`pk`)
DROP TABLE t1, t2;
#
# BUG#42048 Discrepancy between MyISAM and Maria's ICP implementation
......
mysql-test/r/optimizer_switch.result
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mysql-test/r/ps_11bugs.result
View file @ 090b4a10
......@@ -120,9 +120,9 @@ create table t1 (a int primary key);
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 NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible HAVING
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL Impossible HAVING
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
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL
select * from t1 where 3 in (select (1+1) union select 1);
a
......
mysql-test/r/strict.result
View file @ 090b4a10
......@@ -1105,8 +1105,6 @@ count(*)
7
Warnings:
Error 1411 Incorrect datetime value: '2004.12.12 10:22:61' for function str_to_date
Error 1411 Incorrect datetime value: '2004.12.12 10:22:61' for function str_to_date
Error 1411 Incorrect datetime value: '2004.12.12 10:22:61' for function str_to_date
drop table t1;
create table t1 (col1 char(3), col2 integer);
insert into t1 (col1) values (cast(1000 as char(3)));
......
mysql-test/r/subselect.result
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mysql-test/r/subselect3.result
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mysql-test/r/subselect3_jcl6.result
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mysql-test/r/subselect4.result
View file @ 090b4a10
......@@ -15,7 +15,7 @@ ORDER BY count(*);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL a 5 NULL 2 Using where; Using index; Using temporary
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT SUBQUERY t3 system NULL NULL NULL NULL 0 const row not found
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL no matching row in const table
# should not crash the next statement
SELECT 1 FROM t1
WHERE NOT EXISTS (SELECT 1 FROM t2 WHERE 1 = (SELECT MIN(t2.b) FROM t3))
......@@ -117,14 +117,14 @@ EXPLAIN
SELECT * FROM t1 WHERE ( a, b ) NOT IN ( SELECT c, d FROM t2 );
id select_type table type possible_keys key key_len ref rows Extra
x PRIMARY x x x x x x x x
x SUBQUERY x x x x x x x x
x DEPENDENT SUBQUERY x x x x x x x x
SELECT * FROM t1 WHERE ( a, b ) NOT IN ( SELECT c, d FROM t2 );
a b
EXPLAIN
SELECT * FROM t1 WHERE ( a, b ) NOT IN ( SELECT c, d FROM t2 ) IS NULL;
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 SUBQUERY t2 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t1 WHERE ( a, b ) NOT IN ( SELECT c, d FROM t2 ) IS NULL;
a b
1 NULL
......@@ -147,28 +147,28 @@ EXPLAIN
SELECT * FROM t1 WHERE ( a, b ) NOT IN ( SELECT e, f FROM t3 );
id select_type table type possible_keys key key_len ref rows Extra
x PRIMARY x x x x x x x x
x SUBQUERY x x x x x x x x
x DEPENDENT SUBQUERY x x x x x x x x
SELECT * FROM t1 WHERE ( a, b ) NOT IN ( SELECT e, f FROM t3 );
a b
EXPLAIN
SELECT * FROM t2 WHERE ( c, d ) NOT IN ( SELECT a, b FROM t1 );
id select_type table type possible_keys key key_len ref rows Extra
x PRIMARY x x x x x x x x
x SUBQUERY x x x x x x x x
x DEPENDENT SUBQUERY x x x x x x x x
SELECT * FROM t2 WHERE ( c, d ) NOT IN ( SELECT a, b FROM t1 );
c d
EXPLAIN
SELECT * FROM t3 WHERE ( e, f ) NOT IN ( SELECT c, d FROM t2 );
id select_type table type possible_keys key key_len ref rows Extra
x PRIMARY x x x x x x x x
x SUBQUERY x x x x x x x x
x DEPENDENT SUBQUERY x x x x x x x x
SELECT * FROM t3 WHERE ( e, f ) NOT IN ( SELECT c, d FROM t2 );
e f
EXPLAIN
SELECT * FROM t2 WHERE ( c, d ) NOT IN ( SELECT e, f FROM t3 );
id select_type table type possible_keys key key_len ref rows Extra
x PRIMARY x x x x x x x x
x SUBQUERY x x x x x x x x
x DEPENDENT SUBQUERY x x x x x x x x
SELECT * FROM t2 WHERE ( c, d ) NOT IN ( SELECT e, f FROM t3 );
c d
SELECT * FROM t1 WHERE ( a, b ) NOT IN
......@@ -496,28 +496,33 @@ INSERT INTO t4 VALUES ('k'), ('d');
EXPLAIN
SELECT * FROM t1 RIGHT JOIN t2 ON t1.c1 WHERE 's' IN (SELECT c1 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
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t1 RIGHT JOIN t2 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2);
c1 c1
EXPLAIN
SELECT * FROM t2 LEFT JOIN t1 ON t1.c1 WHERE 's' IN (SELECT c1 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
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t2 LEFT JOIN t1 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2);
c1 c1
EXPLAIN
SELECT * FROM (t2 LEFT JOIN t1 ON t1.c1) LEFT JOIN t3 on t3.c1 WHERE 's' IN (SELECT c1 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
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM (t2 LEFT JOIN t1 ON t1.c1) LEFT JOIN t3 on t3.c1 WHERE 's' IN (SELECT c1 FROM t2);
c1 c1 c1
EXPLAIN
SELECT * FROM t4 LEFT JOIN t2 ON t4.c1 WHERE 's' IN (SELECT c1 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
1 PRIMARY t4 index NULL PRIMARY 3 NULL 2 Using index
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t4 LEFT JOIN t2 ON t4.c1 WHERE 's' IN (SELECT c1 FROM t2);
c1 c1
......@@ -539,7 +544,7 @@ WHERE f1 IN (SELECT t1.f2 FROM t1 JOIN t3 ON t3.f4);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where; Using join buffer
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
drop table t1, t2, t3;
#
# LP BUG#680005 Second assertion `cache != __null' failed in
......@@ -568,10 +573,10 @@ ON SUBQUERY2_t3.f2)
GROUP BY t1.f4 ORDER BY t1.f1 LIMIT 10;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1 Using temporary; Using filesort
1 PRIMARY t1 index NULL f4 5 NULL 10 Using where
1 PRIMARY t1 index NULL f4 5 NULL 11 Using where
2 DEPENDENT SUBQUERY SUBQUERY2_t1 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY SUBQUERY2_t2 index NULL f4 5 NULL 11 Using where; Using index
2 DEPENDENT SUBQUERY SUBQUERY2_t3 ALL NULL NULL NULL NULL 11 Using where; Using join buffer
2 DEPENDENT SUBQUERY SUBQUERY2_t2 index NULL f4 5 NULL 11 Using index
2 DEPENDENT SUBQUERY SUBQUERY2_t3 ALL NULL NULL NULL NULL 11 Using where; Using join buffer (flat, BNL join)
drop table t1, t2, t3;
#
# LP BUG#680038 bool close_thread_table(THD*, TABLE**):
......@@ -595,7 +600,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
3 SUBQUERY SQ1_t1 index NULL f4 5 NULL 2 Using index; Using temporary; Using filesort
3 SUBQUERY SQ1_t3 index NULL f4 5 NULL 2 Using where; Using index; Using join buffer
3 SUBQUERY SQ1_t3 index NULL f4 5 NULL 2 Using where; Using index; Using join buffer (flat, BNL join)
drop table t1, t2, t3;
#
# BUG#52317: Assertion failing in Field_varstring::store()
......@@ -608,7 +613,7 @@ INSERT INTO t2 VALUES (1), (2);
EXPLAIN
SELECT i FROM t1 WHERE (1) NOT IN (SELECT i 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
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY t2 index_subquery k k 5 const 2 Using index
DROP TABLE t2;
DROP TABLE t1;
......@@ -626,7 +631,7 @@ FROM t2 JOIN t1 ON t1.f3
WHERE ('v') IN (SELECT f4 FROM t2)
GROUP BY f9;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1 Using temporary; Using filesort
1 PRIMARY t2 system NULL NULL NULL NULL 1
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2
......@@ -661,8 +666,8 @@ FROM t2 JOIN t1
WHERE ('v') IN (SELECT f4 FROM t2)
GROUP BY f9;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1 Using temporary; Using filesort
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY t2 system NULL NULL NULL NULL 1
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2
SELECT COUNT(t2.f3),
......@@ -679,7 +684,7 @@ WHERE ('v') IN (SELECT f4 FROM t2)
ORDER BY f9;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2
SELECT COUNT(t2.f3),
......
mysql-test/r/subselect_cache.result
View file @ 090b4a10
......@@ -456,8 +456,8 @@ Handler_read_first 0
Handler_read_key 7
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 31
Handler_read_rnd 10
Handler_read_rnd_next 42
set optimizer_switch='subquery_cache=off';
flush status;
select a from t1 ORDER BY (select d from t2 where b=c);
......@@ -482,8 +482,8 @@ Handler_read_first 0
Handler_read_key 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 61
Handler_read_rnd 10
Handler_read_rnd_next 72
set optimizer_switch='subquery_cache=on';
#single value subquery test (distinct ORDER BY)
flush status;
......@@ -897,7 +897,7 @@ a b SUBS
5 6 1
4 5 1
7 8 NULL
9 NULL 1
9 NULL NULL
show status like "subquery_cache%";
Variable_name Value
Subquery_cache_hit 0
......@@ -916,7 +916,7 @@ a b SUBS
5 6 1
4 5 1
7 8 NULL
9 NULL 1
9 NULL NULL
show status like "subquery_cache%";
Variable_name Value
Subquery_cache_hit 6
......@@ -977,7 +977,7 @@ a b SUBS
5 6 0
4 5 0
7 8 NULL
9 NULL 0
9 NULL NULL
show status like "subquery_cache%";
Variable_name Value
Subquery_cache_hit 0
......@@ -996,7 +996,7 @@ a b SUBS
5 6 0
4 5 0
7 8 NULL
9 NULL 0
9 NULL NULL
show status like "subquery_cache%";
Variable_name Value
Subquery_cache_hit 6
......@@ -1336,11 +1336,11 @@ Subquery_cache_miss 0
show status like '%Handler_read%';
Variable_name Value
Handler_read_first 0
Handler_read_key 11
Handler_read_key 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 145
Handler_read_rnd_next 188
set optimizer_switch='subquery_cache=on';
flush status;
select a, b , exists (select * from t2 where b=d) as SUBSE, b in (select d from t2) as SUBSI, (select d from t2 where b=c) SUBSR from t1;
......@@ -1364,11 +1364,11 @@ Subquery_cache_miss 18
show status like '%Handler_read%';
Variable_name Value
Handler_read_first 0
Handler_read_key 32
Handler_read_key 27
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 84
Handler_read_rnd_next 102
#several subqueries (several levels)
set optimizer_switch='subquery_cache=off';
flush status;
......@@ -3195,7 +3195,7 @@ 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 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t2` where (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`b`))))
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`b` from `test`.`t2` where (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`b`))))
drop table t1,t2;
set @@optimizer_switch= default;
# LP BUG#615760 (part 2: incorrect heap table index flags)
......
mysql-test/r/subselect_mat.result
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mysql-test/r/subselect_no_mat.result
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select @@optimizer_switch like '%materialization=on%';
@@optimizer_switch like '%materialization=on%'
1
0
set optimizer_switch='materialization=off';
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
drop view if exists v2;
......@@ -427,7 +427,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1
Note 1003 select 1 AS `1` from `test`.`t1` where (1 = (select 1 union select 1))
drop table t1;
CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
......@@ -913,7 +913,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3;
create table t1 (a float);
select 10.5 IN (SELECT * from t1 LIMIT 1);
......@@ -1184,9 +1184,9 @@ SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
Note 1003 select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where (<cache>(0) = 1))) AS `0 IN (SELECT 1 FROM t1 a)`
INSERT INTO t1 (pseudo) VALUES ('test1');
SELECT 0 IN (SELECT 1 FROM t1 a);
0 IN (SELECT 1 FROM t1 a)
......@@ -1194,9 +1194,9 @@ SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
Note 1003 select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where (<cache>(0) = 1))) AS `0 IN (SELECT 1 FROM t1 a)`
drop table t1;
CREATE TABLE `t1` (
`i` int(11) NOT NULL default '0',
......@@ -1539,34 +1539,34 @@ select * from t3 where NULL >= any (select b from t2);
a
explain extended select * from t3 where NULL >= any (select b from t2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((NULL >= (select min(NULL) from `test`.`t2`)))
select * from t3 where NULL >= any (select b from t2 group by 1);
a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((NULL >= <min>(select NULL from `test`.`t2` group by 1)))
select * from t3 where NULL >= some (select b from t2);
a
explain extended select * from t3 where NULL >= some (select b from t2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((NULL >= (select min(NULL) from `test`.`t2`)))
select * from t3 where NULL >= some (select b from t2 group by 1);
a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((NULL >= <min>(select NULL from `test`.`t2` group by 1)))
insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a);
a
......@@ -1628,7 +1628,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 select 'e' AS `s1` from `test`.`t1` where 1
Note 1003 select 'e' AS `s1` from `test`.`t1` where <nop>(('f' > <min>(select 'e' from `test`.`t1` union select 'e' from `test`.`t1`)))
drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
......@@ -3113,10 +3113,10 @@ SELECT a FROM t1
ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 2),
(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));
a
2
4
1
2
3
4
SELECT a FROM t1
ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 1),
(SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b));
......@@ -3125,8 +3125,8 @@ SELECT a FROM t1
ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 4),
(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));
a
2
1
2
3
4
SELECT a FROM t1
......@@ -3434,7 +3434,7 @@ EXPLAIN
SELECT * FROM t1 WHERE (a,b) = ANY (SELECT a, max(b) FROM t1 GROUP BY a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 9 Using where
2 DEPENDENT SUBQUERY t1 index NULL a 8 NULL 1 Using filesort
2 DEPENDENT SUBQUERY t1 index NULL a 8 NULL 1
DROP TABLE t1;
create table t1( f1 int,f2 int);
insert into t1 values (1,1),(2,2);
......@@ -4326,13 +4326,13 @@ 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 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <expr_cache><1>(<in_optimizer>(1,<exists>(select 1 from `test`.`t1` group by `test`.`t1`.`a` having 1)))
Note 1003 select 1 AS `1` from `test`.`t1` where <expr_cache><1>(<in_optimizer>(1,<exists>(select 1 from `test`.`t1` group by `test`.`t1`.`a` having (<cache>(1) = <ref_null_helper>(1)))))
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT 1 FROM t1 WHERE a > 3 GROUP BY a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary; Using filesort
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` having 1))
Note 1003 select 1 AS `1` from `test`.`t1` where <expr_cache><1>(<in_optimizer>(1,<exists>(select 1 from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` having (<cache>(1) = <ref_null_helper>(1)))))
DROP TABLE t1;
#
# Bug#45061: Incorrectly market field caused wrong result.
......@@ -4977,4 +4977,4 @@ drop view v2;
set optimizer_switch=default;
select @@optimizer_switch like '%materialization=on%';
@@optimizer_switch like '%materialization=on%'
1
0
mysql-test/r/subselect_no_opts.result
View file @ 090b4a10
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mysql-test/r/subselect_no_semijoin.result
View file @ 090b4a10
This diff is collapsed.
mysql-test/r/subselect_sj.result
View file @ 090b4a10
......@@ -406,24 +406,6 @@ SELECT t1 .varchar_key from t1
int_key
9
7
SELECT t0.int_key
FROM t0
WHERE t0.varchar_nokey IN (
SELECT t1_1 .varchar_key
FROM t1 AS t1_1 JOIN t1 AS t1_2 ON t1_1 .int_key
);
int_key
9
7
SELECT t0.int_key
FROM t0, t2
WHERE t0.varchar_nokey IN (
SELECT t1_1 .varchar_key
FROM t1 AS t1_1 JOIN t1 AS t1_2 ON t1_1 .int_key
);
int_key
9
7
DROP TABLE t0, t1, t2;
# End of bug#46550
#
......@@ -774,11 +756,11 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))))))
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))))))
show warnings;
Level Code Message
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))))))
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))))))
select a from t1
where a in (select c from t2 where d >= some(select e from t3 where b=e));
a
......@@ -811,10 +793,9 @@ INSERT INTO t2 VALUES (1,'i','iiii','iiii','iiii','iiii','ffff','ffff','ffff','f
EXPLAIN EXTENDED SELECT pk FROM t1 WHERE (a, b) IN (SELECT a, b FROM t2 WHERE pk > 0);
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
1 PRIMARY subselect2 eq_ref unique_key unique_key 13 func 1 1.00
2 SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using MRR
1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Using MRR; FirstMatch(t1)
Warnings:
Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`pk` > 0))
Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`a` = `test`.`t1`.`a`) and (`test`.`t2`.`pk` > 0))
SELECT pk FROM t1 WHERE (a, b) IN (SELECT a, b FROM t2 WHERE pk > 0);
pk
2
......@@ -980,10 +961,9 @@ FROM t1
WHERE `varchar_nokey` < 'n' XOR `pk` ) ;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 18 100.00
1 PRIMARY subselect2 eq_ref unique_key unique_key 8 func 1 1.00
2 SUBQUERY t1 ALL varchar_key NULL NULL NULL 15 100.00 Using where
1 PRIMARY t1 ref varchar_key varchar_key 3 test.t2.varchar_nokey 2 105.00 Using where; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`varchar_nokey` AS `varchar_nokey` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`varchar_nokey` = `test`.`t1`.`varchar_key`) and ((`test`.`t1`.`varchar_nokey` < 'n') xor `test`.`t1`.`pk`))
Note 1003 select `test`.`t2`.`varchar_nokey` AS `varchar_nokey` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`varchar_key` = `test`.`t2`.`varchar_nokey`) and (`test`.`t1`.`varchar_nokey` = `test`.`t2`.`varchar_nokey`) and ((`test`.`t2`.`varchar_nokey` < 'n') xor `test`.`t1`.`pk`))
SELECT varchar_nokey
FROM t2
WHERE ( `varchar_nokey` , `varchar_nokey` ) IN (
......@@ -1061,11 +1041,9 @@ WHERE t2.val LIKE 'a%' OR t2.val LIKE 'e%')
AND t1.val IN (SELECT t3.val FROM t3
WHERE t3.val LIKE 'a%' OR t3.val LIKE 'e%');
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 5
1 PRIMARY subselect3 eq_ref unique_key unique_key 14 func 1
1 PRIMARY subselect2 eq_ref unique_key unique_key 14 func 1
3 SUBQUERY t3 ALL NULL NULL NULL NULL 5 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 6 Using where
1 PRIMARY t1 ALL NULL NULL NULL NULL 5 Start temporary
1 PRIMARY t3 ALL NULL NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t2 ALL NULL NULL NULL NULL 6 Using where; End temporary; Using join buffer (flat, BNL join)
SELECT *
FROM t1
WHERE t1.val IN (SELECT t2.val FROM t2
......
mysql-test/r/subselect_sj2.result
View file @ 090b4a10
......@@ -32,9 +32,8 @@ a b
9 5
explain select * from t2 where b in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 3
1 PRIMARY t2 ref b b 5 test.t1.a 2
2 SUBQUERY t1 ALL NULL NULL NULL NULL 3 Using where
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where; Start temporary
1 PRIMARY t2 ref b b 5 test.t1.a 2 End temporary
select * from t2 where b in (select a from t1);
a b
1 1
......@@ -51,9 +50,8 @@ primary key(pk1, pk2, pk3)
insert into t3 select a,a, a,a,a from t0;
explain select * from t3 where b in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL b NULL NULL NULL 10
1 PRIMARY subselect2 eq_ref unique_key unique_key 5 func 1
2 SUBQUERY t1 ALL NULL NULL NULL NULL 3
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where; Start temporary
1 PRIMARY t3 ref b b 5 test.t1.a 1 End temporary
select * from t3 where b in (select a from t1);
a b pk1 pk2 pk3
1 1 1 1 1
......@@ -75,9 +73,8 @@ A.a + 10*B.a, A.a + 10*B.a, A.a + 10*B.a, A.a + 10*B.a
from t0 A, t0 B where B.a <5;
explain select * from t3 where b in (select a from t0);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 10
1 PRIMARY t3 ref b b 5 test.t0.a 1
2 SUBQUERY t0 ALL NULL NULL NULL NULL 10 Using where
1 PRIMARY t0 ALL NULL NULL NULL NULL 10 Using where; Start temporary
1 PRIMARY t3 ref b b 5 test.t0.a 1 End temporary
set @save_ecp= @@engine_condition_pushdown;
set engine_condition_pushdown=0;
select * from t3 where b in (select A.a+B.a from t0 A, t0 B where B.a<5);
......@@ -101,9 +98,8 @@ set join_buffer_size= @save_join_buffer_size;
set max_heap_table_size= @save_max_heap_table_size;
explain select * from t1 where a in (select b from t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
1 PRIMARY subselect2 eq_ref unique_key unique_key 5 func 1
2 SUBQUERY t2 index b b 5 NULL 10 Using index
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where
1 PRIMARY t2 ref b b 5 test.t1.a 2 Using index; FirstMatch(t1)
select * from t1;
a b
1 1
......@@ -130,9 +126,8 @@ explain select
a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
from t1 ot where a in (select a from t2 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 22
1 PRIMARY ot ALL NULL NULL NULL NULL 32 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY it ALL NULL NULL NULL NULL 22
1 PRIMARY it ALL NULL NULL NULL NULL 22 Start temporary
1 PRIMARY ot ALL NULL NULL NULL NULL 32 Using where; End temporary; Using join buffer (flat, BNL join)
select
a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
from t1 ot where a in (select a from t2 it);
......@@ -164,8 +159,7 @@ a, mid(filler1, 1,10), length(filler1)=length(filler2)
from t2 ot where a in (select a from t1 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot ALL NULL NULL NULL NULL 22
1 PRIMARY subselect2 eq_ref unique_key unique_key 5 func 1
2 SUBQUERY it ALL NULL NULL NULL NULL 32
1 PRIMARY it ALL NULL NULL NULL NULL 32 Using where; FirstMatch(ot)
select
a, mid(filler1, 1,10), length(filler1)=length(filler2)
from t2 ot where a in (select a from t1 it);
......@@ -198,9 +192,8 @@ explain select
a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
from t1 ot where a in (select a from t2 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 22
1 PRIMARY ot ALL NULL NULL NULL NULL 52 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY it ALL NULL NULL NULL NULL 22
1 PRIMARY it ALL NULL NULL NULL NULL 22 Start temporary
1 PRIMARY ot ALL NULL NULL NULL NULL 52 Using where; End temporary; Using join buffer (flat, BNL join)
select
a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
from t1 ot where a in (select a from t2 it);
......@@ -232,8 +225,7 @@ a, mid(filler1, 1,10), length(filler1)=length(filler2)
from t2 ot where a in (select a from t1 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot ALL NULL NULL NULL NULL 22
1 PRIMARY subselect2 eq_ref unique_key unique_key 5 func 1
2 SUBQUERY it ALL NULL NULL NULL NULL 52
1 PRIMARY it ALL NULL NULL NULL NULL 52 Using where; FirstMatch(ot)
select
a, mid(filler1, 1,10), length(filler1)=length(filler2)
from t2 ot where a in (select a from t1 it);
......@@ -349,8 +341,7 @@ WHERE t1.Code IN (
SELECT t2.CountryCode FROM t2 WHERE Population > 5000000);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 31
1 PRIMARY subselect2 eq_ref unique_key unique_key 3 func 1
2 SUBQUERY t2 ALL CountryCode NULL NULL NULL 545 Using where
1 PRIMARY t2 ref CountryCode CountryCode 3 test.t1.Code 18 Using where; FirstMatch(t1)
SELECT Name FROM t1
WHERE t1.Code IN (
SELECT t2.CountryCode FROM t2 WHERE Population > 5000000);
......@@ -692,9 +683,8 @@ alter table t3 add primary key(id), add key(a);
The following must use loose index scan over t3, key a:
explain select count(a) from t2 where a in ( SELECT a FROM t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index a a 5 NULL 1000 Using index
1 PRIMARY subselect2 eq_ref unique_key unique_key 5 func 1
2 SUBQUERY t3 index a a 5 NULL 30000 Using index
1 PRIMARY t2 index a a 5 NULL 1000 Using where; Using index
1 PRIMARY t3 ref a a 5 test.t2.a 30 Using index; FirstMatch(t2)
select count(a) from t2 where a in ( SELECT a FROM t3);
count(a)
1000
......
mysql-test/r/subselect_sj2_jcl6.result
View file @ 090b4a10
......@@ -39,9 +39,8 @@ a b
9 5
explain select * from t2 where b in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 3
1 PRIMARY t2 ref b b 5 test.t1.a 2 Using join buffer (flat, BKA join)
2 SUBQUERY t1 ALL NULL NULL NULL NULL 3 Using where
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where; Start temporary
1 PRIMARY t2 ref b b 5 test.t1.a 2 End temporary; Using join buffer (flat, BKA join)
select * from t2 where b in (select a from t1);
a b
1 1
......@@ -58,9 +57,8 @@ primary key(pk1, pk2, pk3)
insert into t3 select a,a, a,a,a from t0;
explain select * from t3 where b in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL b NULL NULL NULL 10
1 PRIMARY subselect2 eq_ref unique_key unique_key 5 func 1
2 SUBQUERY t1 ALL NULL NULL NULL NULL 3
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where; Start temporary
1 PRIMARY t3 ref b b 5 test.t1.a 1 End temporary; Using join buffer (flat, BKA join)
select * from t3 where b in (select a from t1);
a b pk1 pk2 pk3
1 1 1 1 1
......@@ -82,9 +80,8 @@ A.a + 10*B.a, A.a + 10*B.a, A.a + 10*B.a, A.a + 10*B.a
from t0 A, t0 B where B.a <5;
explain select * from t3 where b in (select a from t0);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 10
1 PRIMARY t3 ref b b 5 test.t0.a 1 Using join buffer (flat, BKA join)
2 SUBQUERY t0 ALL NULL NULL NULL NULL 10 Using where
1 PRIMARY t0 ALL NULL NULL NULL NULL 10 Using where; Start temporary
1 PRIMARY t3 ref b b 5 test.t0.a 1 End temporary; Using join buffer (flat, BKA join)
set @save_ecp= @@engine_condition_pushdown;
set engine_condition_pushdown=0;
select * from t3 where b in (select A.a+B.a from t0 A, t0 B where B.a<5);
......@@ -108,9 +105,8 @@ set join_buffer_size= @save_join_buffer_size;
set max_heap_table_size= @save_max_heap_table_size;
explain select * from t1 where a in (select b from t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
1 PRIMARY subselect2 eq_ref unique_key unique_key 5 func 1
2 SUBQUERY t2 index b b 5 NULL 10 Using index
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where
1 PRIMARY t2 ref b b 5 test.t1.a 2 Using index; FirstMatch(t1)
select * from t1;
a b
1 1
......@@ -137,9 +133,8 @@ explain select
a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
from t1 ot where a in (select a from t2 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 22
1 PRIMARY ot ALL NULL NULL NULL NULL 32 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY it ALL NULL NULL NULL NULL 22
1 PRIMARY it ALL NULL NULL NULL NULL 22 Start temporary
1 PRIMARY ot ALL NULL NULL NULL NULL 32 Using where; End temporary; Using join buffer (flat, BNL join)
select
a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
from t1 ot where a in (select a from t2 it);
......@@ -171,8 +166,7 @@ a, mid(filler1, 1,10), length(filler1)=length(filler2)
from t2 ot where a in (select a from t1 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot ALL NULL NULL NULL NULL 22
1 PRIMARY subselect2 eq_ref unique_key unique_key 5 func 1
2 SUBQUERY it ALL NULL NULL NULL NULL 32
1 PRIMARY it ALL NULL NULL NULL NULL 32 Using where; FirstMatch(ot); Using join buffer (flat, BNL join)
select
a, mid(filler1, 1,10), length(filler1)=length(filler2)
from t2 ot where a in (select a from t1 it);
......@@ -196,8 +190,8 @@ a mid(filler1, 1,10) length(filler1)=length(filler2)
16 filler1234 1
17 filler1234 1
18 filler1234 1
19 filler1234 1
3 duplicate 1
19 filler1234 1
19 duplicate 1
insert into t1 select a+20, 'filler123456', 'filler123456' from t0;
insert into t1 select a+20, 'filler123456', 'filler123456' from t0;
......@@ -205,9 +199,8 @@ explain select
a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
from t1 ot where a in (select a from t2 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 22
1 PRIMARY ot ALL NULL NULL NULL NULL 52 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY it ALL NULL NULL NULL NULL 22
1 PRIMARY it ALL NULL NULL NULL NULL 22 Start temporary
1 PRIMARY ot ALL NULL NULL NULL NULL 52 Using where; End temporary; Using join buffer (flat, BNL join)
select
a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
from t1 ot where a in (select a from t2 it);
......@@ -239,8 +232,7 @@ a, mid(filler1, 1,10), length(filler1)=length(filler2)
from t2 ot where a in (select a from t1 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot ALL NULL NULL NULL NULL 22
1 PRIMARY subselect2 eq_ref unique_key unique_key 5 func 1
2 SUBQUERY it ALL NULL NULL NULL NULL 52
1 PRIMARY it ALL NULL NULL NULL NULL 52 Using where; FirstMatch(ot); Using join buffer (flat, BNL join)
select
a, mid(filler1, 1,10), length(filler1)=length(filler2)
from t2 ot where a in (select a from t1 it);
......@@ -264,8 +256,8 @@ a mid(filler1, 1,10) length(filler1)=length(filler2)
16 filler1234 1
17 filler1234 1
18 filler1234 1
19 filler1234 1
3 duplicate 1
19 filler1234 1
19 duplicate 1
drop table t1, t2;
create table t1 (a int, b int, key(a));
......@@ -356,8 +348,7 @@ WHERE t1.Code IN (
SELECT t2.CountryCode FROM t2 WHERE Population > 5000000);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 31
1 PRIMARY subselect2 eq_ref unique_key unique_key 3 func 1
2 SUBQUERY t2 ALL CountryCode NULL NULL NULL 545 Using where
1 PRIMARY t2 ref CountryCode CountryCode 3 test.t1.Code 18 Using where; FirstMatch(t1); Using join buffer (flat, BKA join)
SELECT Name FROM t1
WHERE t1.Code IN (
SELECT t2.CountryCode FROM t2 WHERE Population > 5000000);
......@@ -701,9 +692,8 @@ alter table t3 add primary key(id), add key(a);
The following must use loose index scan over t3, key a:
explain select count(a) from t2 where a in ( SELECT a FROM t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index a a 5 NULL 1000 Using index
1 PRIMARY subselect2 eq_ref unique_key unique_key 5 func 1
2 SUBQUERY t3 index a a 5 NULL 30000 Using index
1 PRIMARY t2 index a a 5 NULL 1000 Using where; Using index
1 PRIMARY t3 ref a a 5 test.t2.a 30 Using index; FirstMatch(t2)
select count(a) from t2 where a in ( SELECT a FROM t3);
count(a)
1000
......
mysql-test/r/subselect_sj2_mat.result 0 → 100644
View file @ 090b4a10
This diff is collapsed.
mysql-test/r/subselect_sj_jcl6.result
View file @ 090b4a10
......@@ -413,24 +413,6 @@ SELECT t1 .varchar_key from t1
int_key
9
7
SELECT t0.int_key
FROM t0
WHERE t0.varchar_nokey IN (
SELECT t1_1 .varchar_key
FROM t1 AS t1_1 JOIN t1 AS t1_2 ON t1_1 .int_key
);
int_key
9
7
SELECT t0.int_key
FROM t0, t2
WHERE t0.varchar_nokey IN (
SELECT t1_1 .varchar_key
FROM t1 AS t1_1 JOIN t1 AS t1_2 ON t1_1 .int_key
);
int_key
9
7
DROP TABLE t0, t1, t2;
# End of bug#46550
#
......@@ -781,11 +763,11 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))))))
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))))))
show warnings;
Level Code Message
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))))))
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))))))
select a from t1
where a in (select c from t2 where d >= some(select e from t3 where b=e));
a
......@@ -818,10 +800,9 @@ INSERT INTO t2 VALUES (1,'i','iiii','iiii','iiii','iiii','ffff','ffff','ffff','f
EXPLAIN EXTENDED SELECT pk FROM t1 WHERE (a, b) IN (SELECT a, b FROM t2 WHERE pk > 0);
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
1 PRIMARY subselect2 eq_ref unique_key unique_key 13 func 1 1.00
2 SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using MRR
1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Using MRR; FirstMatch(t1); Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`pk` > 0))
Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`a` = `test`.`t1`.`a`) and (`test`.`t2`.`pk` > 0))
SELECT pk FROM t1 WHERE (a, b) IN (SELECT a, b FROM t2 WHERE pk > 0);
pk
2
......@@ -987,10 +968,9 @@ FROM t1
WHERE `varchar_nokey` < 'n' XOR `pk` ) ;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 18 100.00
1 PRIMARY subselect2 eq_ref unique_key unique_key 8 func 1 1.00
2 SUBQUERY t1 ALL varchar_key NULL NULL NULL 15 100.00 Using where
1 PRIMARY t1 ref varchar_key varchar_key 3 test.t2.varchar_nokey 2 105.00 Using where; FirstMatch(t2); Using join buffer (flat, BKA join)
Warnings:
Note 1003 select `test`.`t2`.`varchar_nokey` AS `varchar_nokey` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`varchar_nokey` = `test`.`t1`.`varchar_key`) and ((`test`.`t1`.`varchar_nokey` < 'n') xor `test`.`t1`.`pk`))
Note 1003 select `test`.`t2`.`varchar_nokey` AS `varchar_nokey` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`varchar_key` = `test`.`t2`.`varchar_nokey`) and (`test`.`t1`.`varchar_nokey` = `test`.`t2`.`varchar_nokey`) and ((`test`.`t2`.`varchar_nokey` < 'n') xor `test`.`t1`.`pk`))
SELECT varchar_nokey
FROM t2
WHERE ( `varchar_nokey` , `varchar_nokey` ) IN (
......@@ -1068,11 +1048,9 @@ WHERE t2.val LIKE 'a%' OR t2.val LIKE 'e%')
AND t1.val IN (SELECT t3.val FROM t3
WHERE t3.val LIKE 'a%' OR t3.val LIKE 'e%');
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 5
1 PRIMARY subselect3 eq_ref unique_key unique_key 14 func 1
1 PRIMARY subselect2 eq_ref unique_key unique_key 14 func 1
3 SUBQUERY t3 ALL NULL NULL NULL NULL 5 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 6 Using where
1 PRIMARY t1 ALL NULL NULL NULL NULL 5 Start temporary
1 PRIMARY t3 ALL NULL NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t2 ALL NULL NULL NULL NULL 6 Using where; End temporary; Using join buffer (incremental, BNL join)
SELECT *
FROM t1
WHERE t1.val IN (SELECT t2.val FROM t2
......
mysql-test/t/subselect.test
View file @ 090b4a10
......@@ -2078,7 +2078,7 @@ SELECT b, MAX(c) FROM t2 GROUP BY b, (SELECT c FROM t2 WHERE b > 2);
--error ER_SUBQUERY_NO_1_ROW
SELECT b, MAX(c) FROM t2 GROUP BY b, (SELECT c FROM t2 WHERE b > 1);
--sorted_result
SELECT a FROM t1 GROUP BY a
HAVING IFNULL((SELECT b FROM t2 WHERE b > 2),
(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;
......@@ -2086,7 +2086,7 @@ SELECT a FROM t1 GROUP BY a
SELECT a FROM t1 GROUP BY a
HAVING IFNULL((SELECT b FROM t2 WHERE b > 1),
(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;
--sorted_result
SELECT a FROM t1 GROUP BY a
HAVING IFNULL((SELECT b FROM t2 WHERE b > 4),
(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;
......@@ -2094,7 +2094,7 @@ SELECT a FROM t1 GROUP BY a
SELECT a FROM t1 GROUP BY a
HAVING IFNULL((SELECT b FROM t2 WHERE b > 4),
(SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b)) > 3;
--sorted_result
SELECT a FROM t1
ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 2),
(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));
......@@ -2102,7 +2102,7 @@ SELECT a FROM t1
SELECT a FROM t1
ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 1),
(SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b));
--sorted_result
SELECT a FROM t1
ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 4),
(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));
......
mysql-test/t/subselect_mat_cost.test
View file @ 090b4a10
......@@ -18,7 +18,6 @@ drop procedure if exists set_all_columns_nullable;
create table t1 (a1 char(8), a2 char(8), a3 char(8), a4 int);
insert into t1 values ('1 - 00', '2 - 00', '3 - 00', 0);
insert into t1 values ('1 - 01', '2 - 01', '3 - 01', 1);
insert into t1 values ('1 - 02', '2 - 02', '3 - 02', 2);
create table t2 (b1 char(8), b2 char(8), b3 char(8), b4 int);
insert into t2 values ('1 - 01', '2 - 01', '3 - 01', 1);
......@@ -151,6 +150,8 @@ call set_all_columns_not_null();
call set_all_columns_nullable();
insert into t1 values ('1 - 02', '2 - 02', '3 - 02', 2);
-- echo /******************************************************************************
-- echo 2. Materialization is OFF, in-to-exists is ON, materialization is cheaper.
-- echo ******************************************************************************/
......
mysql-test/t/subselect_no_opts.test
View file @ 090b4a10
#
# Run subselect.test without semi-join optimization (test materialize)
#
# Run subselect.test without semi-join and materialization optimizations
# (test in-to-exists)
set optimizer_switch='materialization=off,semijoin=off';
--source t/subselect.test
......
mysql-test/t/subselect_sj.test
View file @ 090b4a10
......@@ -311,7 +311,7 @@ FROM t0
WHERE varchar_nokey IN (
SELECT t1 .varchar_key from t1
);
--disable_parsing # wrong duplicate results - LP BUG#702374
SELECT t0.int_key
FROM t0
WHERE t0.varchar_nokey IN (
......@@ -325,7 +325,7 @@ WHERE t0.varchar_nokey IN (
SELECT t1_1 .varchar_key
FROM t1 AS t1_1 JOIN t1 AS t1_2 ON t1_1 .int_key
);
--enable_parsing
DROP TABLE t0, t1, t2;
--echo # End of bug#46550
......
mysql-test/t/subselect_sj2_mat.test 0 → 100644
View file @ 090b4a10
#
# Run subselect_sj2.test with subquery materialization.
#
set optimizer_switch='materialization=on';
--source t/subselect_sj2.test
set optimizer_switch=default;
select @@optimizer_switch like '%materialization=on%';
sql/opt_subselect.cc
View file @ 090b4a10
......@@ -3691,7 +3691,7 @@ bool JOIN::choose_subquery_plan(table_map join_tables)
double outer_lookup_keys;
/* Cost and row count of the unmodified subquery. */
double inner_read_time_1, inner_record_count_1;
/* Cost and row count of the subquery with injected IN-EXISTS predicates. */
/* Cost of the subquery with injected IN-EXISTS predicates. */
double inner_read_time_2;
/* The cost to compute IN via materialization. */
double materialize_strategy_cost;
......@@ -3756,7 +3756,7 @@ bool JOIN::choose_subquery_plan(table_map join_tables)
if (reopt_result == REOPT_ERROR)
return TRUE;
/* inner_read_time_2 above is a dummy, get the correct total join cost. */
/* Get the cost of the modified IN-EXISTS plan. */
inner_read_time_2= inner_join->best_read;
}
......
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