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various test failures post-merge

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Sergei Golubchik
2019-09-06 17:31:02 +02:00
parent 244f0e6dd8
commit 38e21c7000
5 changed files with 4 additions and 17 deletions
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8
mysql-test/main/selectivity_innodb.result
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@@ -1644,8 +1644,6 @@ SELECT @cnt;
@cnt
2
alter table t1 force;
set @@use_stat_tables= @save_use_stat_tables;
set @@optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity;
drop table t1;
drop function f1;
#
@@ -1661,19 +1659,19 @@ test.t1 analyze status OK
# Check what info the optimizer has about selectivities
explain extended select * from t1 use index () where a in (17,51,5);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 1091 3.83 Using where
1 SIMPLE t1 ALL NULL NULL NULL NULL 1000 3.90 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` USE INDEX () where `test`.`t1`.`a` in (17,51,5)
explain extended select * from t1 use index () where b=2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 1091 5.47 Using where
1 SIMPLE t1 ALL NULL NULL NULL NULL 1000 5.47 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` USE INDEX () where `test`.`t1`.`b` = 2
# Now, the equality is used for ref access, while the range condition
# gives selectivity data
explain extended select * from t1 where a in (17,51,5) and b=2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ref|filter b,a b|a 5|5 const 59 (3%) 2.66 Using where; Using rowid filter
1 SIMPLE t1 ref|filter b,a b|a 5|5 const 59 (3%) 2.90 Using where; Using rowid filter
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where `test`.`t1`.`b` = 2 and `test`.`t1`.`a` in (17,51,5)
drop table t1;