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| author | unknown <timour@askmonty.org> | 2011-11-09 15:36:25 +0200 |
|---|---|---|
| committer | unknown <timour@askmonty.org> | 2011-11-09 15:36:25 +0200 |
| commit | 511459bd143262a9f154048d3bd87d8cb5239e52 (patch) | |
| tree | e5891f132ba37a5ae011652c05a193f64d81ba5b /mysql-test/t/subselect4.test | |
| parent | 250bc599bf584ea057edd3de0a4cb0420bc92951 (diff) | |
| download | mariadb-git-511459bd143262a9f154048d3bd87d8cb5239e52.tar.gz | |
Enable subquery materialization=ON by default.
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 db0433ce48e..3a84aff2f6a 100644 --- a/mysql-test/t/subselect4.test +++ b/mysql-test/t/subselect4.test @@ -124,6 +124,9 @@ 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 ); @@ -165,6 +168,8 @@ 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 # |