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Fixed bug mdev-4418.

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After single row substitutions there might appear new equalities.
They should be properly propagated to all AND/OR levels the WHERE
condition. It's done now with an additional call of remove_eq_conds().
This commit is contained in:
Igor Babaev
2013-08-16 22:01:47 -07:00
parent 752d5d022d
commit 25c152018d
14 changed files with 98 additions and 10 deletions
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2
mysql-test/r/view.result
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@ -4300,7 +4300,7 @@ WHERE f1<>0 OR f2<>0 AND f4='v' AND (f2<>0 OR f3<>0 AND f5<>0 OR f4 LIKE '%b%');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1 100.00
Warnings:
Note 1003 select 'r' AS `f4` from `test`.`t1` where ((20 <> 0) or 0)
Note 1003 select 'r' AS `f4` from `test`.`t1` where (20 <> 0)
DROP VIEW v1;
DROP TABLE t1;
#