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post merge

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Oleksandr Byelkin
2018-09-06 23:36:53 +02:00
parent 31081593aa
commit 62dbf4f18d
6 changed files with 132 additions and 29 deletions
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4
mysql-test/r/selectivity_innodb.result
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@ -1516,9 +1516,9 @@ col1
explain extended
select * from t2 where col1 < 'b' and col1 > 'd';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
1 SIMPLE t2 ALL NULL NULL NULL NULL 8 100.00 Using where
Warnings:
Note 1003 select `test`.`t2`.`col1` AS `col1` from `test`.`t2` where 0
Note 1003 select `test`.`t2`.`col1` AS `col1` from `test`.`t2` where ((`test`.`t2`.`col1` < 'b') and (`test`.`t2`.`col1` > 'd'))
drop table t1,t2;
set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity;
set use_stat_tables=@save_use_stat_tables;