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Fixed range optimzier bug (Bug #1828)

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mysql-test/r/range.result:
  test for range optimzier bug
mysql-test/t/range.test:
  test for range optimzier bug
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unknown
2003-11-28 15:45:34 +02:00
parent e56d603a09
commit e5cc604eab
3 changed files with 23 additions and 2 deletions
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10
mysql-test/r/range.result
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@ -290,3 +290,13 @@ t1 range a,b a 5 NULL 2 Using where
SELECT * FROM t1 WHERE a IN(1,2) AND b=5;
a b
DROP TABLE t1;
CREATE TABLE t1 (a int, b int, c int, INDEX (c,a,b));
INSERT INTO t1 VALUES (1,0,0),(1,0,0),(1,0,0);
INSERT INTO t1 VALUES (0,1,0),(0,1,0),(0,1,0);
SELECT COUNT(*) FROM t1 WHERE (c=0 and a=1) or (c=0 and b=1);
COUNT(*)
6
SELECT COUNT(*) FROM t1 WHERE (c=0 and b=1) or (c=0 and a=1);
COUNT(*)
6
DROP TABLE t1;