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| author | Igor Babaev <igor@askmonty.org> | 2011-11-26 14:23:00 -0800 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2011-11-26 14:23:00 -0800 |
| commit | 17b4e4a194ea513f776bab5010d88d24a51b9d9e (patch) | |
| tree | ffe20f58c4b68af894ebedf30cb3dba679300a66 /mysql-test/r/explain.result | |
| parent | d84ea521c539e4f63511f1787df4b4dcb12886d1 (diff) | |
| download | mariadb-git-17b4e4a194ea513f776bab5010d88d24a51b9d9e.tar.gz | |
Set new default values for the optimizer switch flags 'derived_merge'
and 'derived_with_keys'. Now they are set on by default.
Diffstat (limited to 'mysql-test/r/explain.result')
| -rw-r--r-- | mysql-test/r/explain.result | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mysql-test/r/explain.result b/mysql-test/r/explain.result index 856e33258c1..2493b04488f 100644 --- a/mysql-test/r/explain.result +++ b/mysql-test/r/explain.result @@ -309,6 +309,8 @@ End of 5.1 tests. CREATE TABLE t1 (a int) ; CREATE TABLE t2 (a int) ; INSERT INTO t2 VALUES (8); +set @tmp_optimizer_switch=@@optimizer_switch; +set optimizer_switch='derived_merge=off,derived_with_keys=off'; EXPLAIN EXTENDED SELECT * FROM ( SELECT t1.a FROM t1,t2 WHERE t2.a = t1.a ) AS t; id select_type table type possible_keys key key_len ref rows filtered Extra @@ -316,4 +318,5 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table Warnings: Note 1003 select NULL AS `a` from (select NULL AS `a` from `test`.`t1` join `test`.`t2` where 0) `t` +set optimizer_switch=@tmp_optimizer_switch; DROP TABLE t1,t2; |