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Diffstat (limited to 'mysql-test/t/subselect4.test')
| -rw-r--r-- | mysql-test/t/subselect4.test | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mysql-test/t/subselect4.test b/mysql-test/t/subselect4.test index 41ca1762fef..a5a4e0a3cfe 100644 --- a/mysql-test/t/subselect4.test +++ b/mysql-test/t/subselect4.test @@ -126,6 +126,9 @@ INSERT INTO t4 VALUES (1), (2), (3); CREATE TABLE t5 ( a INT ); INSERT INTO t5 VALUES (NULL), (2); +SET @old_optimizer_switch = @@session.optimizer_switch; +SET SESSION optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off'; + --replace_column 1 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 x EXPLAIN SELECT * FROM t1 WHERE ( a, b ) NOT IN ( SELECT c, d FROM t2 ); @@ -167,6 +170,8 @@ SELECT * FROM t1 WHERE b NOT IN ( SELECT c FROM t2 WHERE c = 1 ); SELECT * FROM t1 WHERE NULL NOT IN ( SELECT c FROM t2 WHERE c = 1 AND c <> 1 ); +SET SESSION optimizer_switch = @old_optimizer_switch; + DROP TABLE t1, t2, t3, t4, t5; --echo # |