diff options
Diffstat (limited to 'mysql-test/r/subselect.result')
| -rw-r--r-- | mysql-test/r/subselect.result | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result index f54106b5fa0..95fc6e03e56 100644 --- a/mysql-test/r/subselect.result +++ b/mysql-test/r/subselect.result @@ -4336,6 +4336,9 @@ LEFT(t1.a1,1) SELECT a2 FROM t2 WHERE t2.a2 IN (SELECT t1.a1 FROM t1,t3 WHERE t1.b1=t3.a3); a2 DROP TABLE t1, t2, t3; +SET @save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch='semijoin_with_cache=off'; +SET optimizer_switch='materialization=off'; CREATE TABLE t1 (a CHAR(1), b VARCHAR(10)); INSERT INTO t1 VALUES ('a', 'aa'); INSERT INTO t1 VALUES ('a', 'aaa'); @@ -4367,6 +4370,7 @@ id select_type table type possible_keys key key_len ref rows Extra SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1 WHERE LENGTH(a)<500); a b DROP TABLE t1,t2; +SET optimizer_switch= @save_optimizer_switch; CREATE TABLE t1(a INT, b INT); INSERT INTO t1 VALUES (1,1), (1,2), (2,3), (2,4); EXPLAIN @@ -4463,20 +4467,23 @@ a drop table t1, t2; CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1),(2); +SET @save_join_cache_level=@@join_cache_level; +SET join_cache_level=0; EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 GROUP BY a); 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 <subquery2> const distinct_key distinct_key 5 const 1 100.00 +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary Warnings: Note 1003 select 1 AS `1` from <materialize> (select min(`test`.`t1`.`a`) from `test`.`t1` group by `test`.`t1`.`a`) join `test`.`t1` where (`<subquery2>`.`min(a)` = 1) EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a); 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 <subquery2> const distinct_key distinct_key 5 const 1 100.00 +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary Warnings: Note 1003 select 1 AS `1` from <materialize> (select min(`test`.`t1`.`a`) from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a`) join `test`.`t1` where (`<subquery2>`.`min(a)` = 1) +SET join_cache_level=@save_join_cache_level; DROP TABLE t1; # # Bug#45061: Incorrectly market field caused wrong result. @@ -5227,16 +5234,19 @@ CREATE TABLE t2 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL); INSERT INTO t2 VALUES (11,1); INSERT INTO t2 VALUES (12,2); INSERT INTO t2 VALUES (15,4); +SET @save_join_cache_level=@@join_cache_level; +SET join_cache_level=0; EXPLAIN SELECT * FROM t1 WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON 1); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 3 1 PRIMARY it eq_ref PRIMARY PRIMARY 4 test.t1.pk 1 Using index -1 PRIMARY t2 index NULL PRIMARY 4 NULL 3 Using index; FirstMatch(it); Using join buffer (flat, BNL join) +1 PRIMARY t2 index NULL PRIMARY 4 NULL 3 Using index; FirstMatch(it) SELECT * FROM t1 WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON 1); pk i 11 0 12 5 15 0 +SET join_cache_level=@save_join_cache_level; DROP table t1,t2; # # Bug#751350: crash with pushed condition for outer references when |