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Made the optimizer switch flags 'outer_join_with_cache', 'semijoin_with_cache'

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set to 'on' by default.
This commit is contained in:
Igor Babaev
2011-12-15 00:21:15 -08:00
parent efb57a8ebf
commit f5dac20f38
94 changed files with 390 additions and 23 deletions
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6
mysql-test/include/common-tests.inc
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@ -1536,6 +1536,10 @@ select t2.fld1,t22.fld1 from t2,t2 t22 where t2.fld1 >= 250501 and t2.fld1 <= 25
#
# Test of left join.
#
SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch='outer_join_with_cache=off';
insert into t2 (fld1, companynr) values (999999,99);
select t2.companynr,companyname from t2 left join t4 using (companynr) where t4.companynr is null;
@ -1568,6 +1572,8 @@ explain select companynr,companyname from t4 left join t2 using (companynr) wher
explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0 or companynr < 0 or companynr > 0;
explain select companynr,companyname from t4 left join t2 using (companynr) where ifnull(companynr,1)>0;
SET optimizer_switch=@save_optimizer_switch;
#
# Joins with forms.
#