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merge with 4.0.15

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monty@mashka.mysql.fi
2003-09-11 20:24:14 +03:00
parent 45aa92c574 62103fff40
commit 73f66f68fd
33 changed files with 646 additions and 361 deletions
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19
mysql-test/r/range.result
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@ -253,4 +253,23 @@ explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= 0 and t2.x <= t1.y;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1 Using where
1 SIMPLE t2 range x x 5 NULL 2 Using where
explain select count(*) from t1 where x in (1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range x x 5 NULL 1 Using where; Using index
explain select count(*) from t1 where x in (1,2);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE 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;