diff options
Diffstat (limited to 'mysql-test/main/union.test')
| -rw-r--r-- | mysql-test/main/union.test | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/mysql-test/main/union.test b/mysql-test/main/union.test index 9d9194ebab6..8c0540375f2 100644 --- a/mysql-test/main/union.test +++ b/mysql-test/main/union.test @@ -339,7 +339,12 @@ explain extended (select * from t1 where a=1) union (select * from t2 where a=1) (select * from t1 where a=5 and a=6) union (select * from t2 where a=1); (select t1.a,t1.b from t1,t2 where t1.a=5) union (select * from t2 where a=1); (select * from t1 where a=1) union (select t1.a,t2.a from t1,t2 where t1.a=t2.a); + +set @save_optimizer_use_condition_selectivity=@@optimizer_use_condition_selectivity,@save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch='outer_join_with_cache=off',@@optimizer_use_condition_selectivity=1; explain (select * from t1 where a=1 and b=10) union (select straight_join t1.a,t2.a from t1,t2 where t1.a=t2.a); +set @@optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity,@@optimizer_switch=@save_optimizer_switch; + explain (select * from t1 where a=1) union (select * from t1 where b=1); drop table t1,t2; create table t1 ( id int not null auto_increment, primary key (id) ,user_name text ); @@ -840,7 +845,7 @@ drop tables t1,t2,t3; # exceeds mediumtext maximum length # -SELECT @tmp_max:= @@global.max_allowed_packet; +SET @tmp_max= @@global.max_allowed_packet; SET @@global.max_allowed_packet=25000000; # switching connection to allow the new max_allowed_packet take effect --connect (newconn, localhost, root,,) |