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| author | Igor Babaev <igor@askmonty.org> | 2013-03-08 00:25:26 -0800 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2013-03-08 00:25:26 -0800 |
| commit | 926b0f54c9b0f261460e886969dde9bbf1916852 (patch) | |
| tree | 1b36c44b9c79731dd8b712451725ea88b2dcfcc8 /mysql-test/r/select.result | |
| parent | 888db0ec09c5f54b69feda2defd2e9ae49fab75c (diff) | |
| download | mariadb-git-926b0f54c9b0f261460e886969dde9bbf1916852.tar.gz | |
Fixed bug mdev-4250.
This is a bug in the legacy code. It did not manifest itself because
it was masked by other bugs that were fixed by the patches for
mdev-4172 and mdev-4177.
Diffstat (limited to 'mysql-test/r/select.result')
| -rw-r--r-- | mysql-test/r/select.result | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/mysql-test/r/select.result b/mysql-test/r/select.result index 5a234c17409..3d1dc5ec170 100644 --- a/mysql-test/r/select.result +++ b/mysql-test/r/select.result @@ -5112,4 +5112,24 @@ INSERT INTO t2 VALUES (3),(4); SELECT * FROM t1, t2 WHERE a=3 AND a=b; a b drop table t1,t2; +# +# Bug mdev-4250: wrong transformation of WHERE condition with OR +# +CREATE TABLE t1 (pk int PRIMARY KEY, a int); +INSERT INTO t1 VALUES (3,0), (2,0), (4,1), (5,0), (1,0); +SELECT * FROM t1 WHERE (1=2 OR t1.pk=2) AND t1.a <> 0; +pk a +EXPLAIN EXTENDED +SELECT * FROM t1 WHERE (1=2 OR t1.pk=2) AND t1.a <> 0; +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 +Warnings: +Note 1003 select 2 AS `pk`,0 AS `a` from `test`.`t1` where ((0 <> 0)) +DROP TABLE t1; +SELECT * FROM mysql.time_zone +WHERE ( NOT (Use_leap_seconds <= Use_leap_seconds AND Time_zone_id != 1) +AND Time_zone_id = Time_zone_id +OR Time_zone_id <> Time_zone_id ) +AND Use_leap_seconds <> 'N'; +Time_zone_id Use_leap_seconds End of 5.3 tests |