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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/subselect3.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/subselect3.result')
| -rw-r--r-- | mysql-test/r/subselect3.result | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mysql-test/r/subselect3.result b/mysql-test/r/subselect3.result index 8b1d7e46e4e..28436a7cc23 100644 --- a/mysql-test/r/subselect3.result +++ b/mysql-test/r/subselect3.result @@ -1119,12 +1119,15 @@ a set @@optimizer_switch=@save_optimizer_switch; set @@optimizer_switch=@save_optimizer_switch; set @@optimizer_switch='materialization=off'; +set @tmp_optimizer_switch=@@optimizer_switch; +set optimizer_switch='derived_merge=off,derived_with_keys=off'; explain select * from (select a from t0) X where a in (select a from t1); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11 1 PRIMARY t1 ALL NULL NULL NULL NULL 20 Using where; FirstMatch(<derived2>); Using join buffer (flat, BNL join) 2 DERIVED t0 ALL NULL NULL NULL NULL 11 drop table t0, t1; +set optimizer_switch=@tmp_optimizer_switch; create table t0 (a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t1 (kp1 int, kp2 int, c int, filler char(100), key(kp1, kp2)); |