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bug #1172 - crash on force index() and SEL_ARG::MAYBE_KEY

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serg@serg.mylan
2003-09-03 22:27:04 +02:00
parent 867b4cc18f
commit be96cc0984
3 changed files with 26 additions and 2 deletions
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13
mysql-test/r/range.result
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@ -260,3 +260,16 @@ explain select count(*) from t1 where x in (1,2);
table type possible_keys key key_len ref rows Extra
t1 range x x 5 NULL 2 Using where; Using index
drop table t1;
CREATE TABLE t1 (key1 int(11) NOT NULL default '0', KEY i1 (key1), KEY i2 (key1));
INSERT INTO t1 VALUES (0),(0),(1),(1);
CREATE TABLE t2 (keya int(11) NOT NULL default '0', KEY j1 (keya));
INSERT INTO t2 VALUES (0),(0),(1),(1),(2),(2);
explain select * from t1, t2 where (t1.key1 <t2.keya + 1) and t2.keya=3;
table type possible_keys key key_len ref rows Extra
t2 ref j1 j1 4 const 1 Using where; Using index
t1 ALL i1,i2 NULL NULL NULL 4 Range checked for each record (index map: 3)
explain select * from t1 force index(i2), t2 where (t1.key1 <t2.keya + 1) and t2.keya=3;
table type possible_keys key key_len ref rows Extra
t2 ref j1 j1 4 const 1 Using where; Using index
t1 ALL i2 NULL NULL NULL 4 Range checked for each record (index map: 2)
DROP TABLE t1,t2;