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Auto-merge from mysql-5.5-merge.

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This commit is contained in:
Alexander Nozdrin
2010-09-28 19:15:58 +04:00
parent aa40040439 d63db001b6
commit 94e726ae3d
95 changed files with 1966 additions and 686 deletions
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16
mysql-test/include/index_merge_ror_cpk.inc
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@ -126,3 +126,19 @@ WHERE
drop table t1;
--echo #
--echo # Bug#50402 Optimizer producing wrong results when using Index Merge on InnoDB
--echo #
CREATE TABLE t1 (f1 INT, PRIMARY KEY (f1));
INSERT INTO t1 VALUES (2);
CREATE TABLE t2 (f1 INT, f2 INT, f3 char(1),
PRIMARY KEY (f1), KEY (f2), KEY (f3) );
INSERT INTO t2 VALUES (1, 1, 'h'), (2, 3, 'h'), (3, 2, ''), (4, 2, '');
SELECT t1.f1 FROM t1
WHERE (SELECT COUNT(*) FROM t2 WHERE t2.f3 = 'h' AND t2.f2 = t1.f1) = 0 AND t1.f1 = 2;
EXPLAIN SELECT t1.f1 FROM t1
WHERE (SELECT COUNT(*) FROM t2 WHERE t2.f3 = 'h' AND t2.f2 = t1.f1) = 0 AND t1.f1 = 2;
DROP TABLE t1,t2;