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Merge neptunus.(none):/home/msvensson/mysql/mysql-5.1

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into  neptunus.(none):/home/msvensson/mysql/mysql-5.1-maint
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msvensson@neptunus.(none)
2007-02-06 15:46:17 +01:00
parent 72fbdf2933 4a6770e06e
commit e4001b3b5a
305 changed files with 6041 additions and 3924 deletions
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86
mysql-test/r/select.result
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@ -3642,6 +3642,92 @@ INSERT into t1 values (1), (2), (3);
SELECT * FROM t1 LIMIT 2, -1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-1' at line 1
DROP TABLE t1;
CREATE TABLE t1 (
ID_with_null int NULL,
ID_better int NOT NULL,
INDEX idx1 (ID_with_null),
INDEX idx2 (ID_better)
);
INSERT INTO t1 VALUES (1,1), (2,1), (null,3), (null,3), (null,3), (null,3);
INSERT INTO t1 SELECT * FROM t1 WHERE ID_with_null IS NULL;
INSERT INTO t1 SELECT * FROM t1 WHERE ID_with_null IS NULL;
INSERT INTO t1 SELECT * FROM t1 WHERE ID_with_null IS NULL;
INSERT INTO t1 SELECT * FROM t1 WHERE ID_with_null IS NULL;
INSERT INTO t1 SELECT * FROM t1 WHERE ID_with_null IS NULL;
SELECT COUNT(*) FROM t1 WHERE ID_with_null IS NULL;
COUNT(*)
128
SELECT COUNT(*) FROM t1 WHERE ID_better=1;
COUNT(*)
2
EXPLAIN SELECT * FROM t1 WHERE ID_better=1 AND ID_with_null IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx1,idx2 idx2 4 const 1 Using where
DROP INDEX idx1 ON t1;
CREATE UNIQUE INDEX idx1 ON t1(ID_with_null);
EXPLAIN SELECT * FROM t1 WHERE ID_better=1 AND ID_with_null IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx1,idx2 idx2 4 const 1 Using where
DROP TABLE t1;
CREATE TABLE t1 (
ID1_with_null int NULL,
ID2_with_null int NULL,
ID_better int NOT NULL,
INDEX idx1 (ID1_with_null, ID2_with_null),
INDEX idx2 (ID_better)
);
INSERT INTO t1 VALUES (1,1,1), (2,2,1), (3,null,3), (null,3,3), (null,null,3),
(3,null,3), (null,3,3), (null,null,3), (3,null,3), (null,3,3), (null,null,3);
INSERT INTO t1 SELECT * FROM t1 WHERE ID1_with_null IS NULL;
INSERT INTO t1 SELECT * FROM t1 WHERE ID2_with_null IS NULL;
INSERT INTO t1 SELECT * FROM t1 WHERE ID1_with_null IS NULL;
INSERT INTO t1 SELECT * FROM t1 WHERE ID2_with_null IS NULL;
INSERT INTO t1 SELECT * FROM t1 WHERE ID1_with_null IS NULL;
INSERT INTO t1 SELECT * FROM t1 WHERE ID2_with_null IS NULL;
SELECT COUNT(*) FROM t1 WHERE ID1_with_null IS NULL AND ID2_with_null=3;
COUNT(*)
24
SELECT COUNT(*) FROM t1 WHERE ID1_with_null=3 AND ID2_with_null IS NULL;
COUNT(*)
24
SELECT COUNT(*) FROM t1 WHERE ID1_with_null IS NULL AND ID2_with_null IS NULL;
COUNT(*)
192
SELECT COUNT(*) FROM t1 WHERE ID_better=1;
COUNT(*)
2
EXPLAIN SELECT * FROM t1
WHERE ID_better=1 AND ID1_with_null IS NULL AND ID2_with_null=3 ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx1,idx2 idx2 4 const 1 Using where
EXPLAIN SELECT * FROM t1
WHERE ID_better=1 AND ID1_with_null=3 AND ID2_with_null=3 IS NULL ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx1,idx2 idx2 4 const 1 Using where
EXPLAIN SELECT * FROM t1
WHERE ID_better=1 AND ID1_with_null IS NULL AND ID2_with_null IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx1,idx2 idx2 4 const 1 Using where
DROP INDEX idx1 ON t1;
CREATE UNIQUE INDEX idx1 ON t1(ID1_with_null,ID2_with_null);
EXPLAIN SELECT * FROM t1
WHERE ID_better=1 AND ID1_with_null IS NULL AND ID2_with_null=3 ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx1,idx2 idx2 4 const 1 Using where
EXPLAIN SELECT * FROM t1
WHERE ID_better=1 AND ID1_with_null=3 AND ID2_with_null IS NULL ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx1,idx2 idx2 4 const 1 Using where
EXPLAIN SELECT * FROM t1
WHERE ID_better=1 AND ID1_with_null IS NULL AND ID2_with_null IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx1,idx2 idx2 4 const 1 Using where
EXPLAIN SELECT * FROM t1
WHERE ID_better=1 AND ID1_with_null IS NULL AND
(ID2_with_null=1 OR ID2_with_null=2);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx1,idx2 idx2 4 const 1 Using where
DROP TABLE t1;
create table t1 (a bigint unsigned);
insert into t1 values
(if(1, 9223372036854775808, 1)),