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Merge 5.1-bugteam to 5.5-merge.

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This commit is contained in:
Sergey Vojtovich
2010-08-27 15:33:32 +04:00
parent c88cfec29c 1087cfc4d5
commit ab2414577a
5 changed files with 134 additions and 23 deletions
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58
mysql-test/suite/innodb/r/innodb_mysql.result
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@ -2546,6 +2546,64 @@ LOCK TABLES t1 READ;
ALTER TABLE t1 COMMENT 'test';
UNLOCK TABLES;
DROP TABLE t1;
#
# Bug#55656: mysqldump can be slower after bug #39653 fix
#
CREATE TABLE t1 (a INT , b INT, c INT, d INT,
KEY (b), PRIMARY KEY (a,b)) ENGINE=INNODB;
INSERT INTO t1 VALUES (1,1,1,1), (2,2,2,2), (3,3,3,3);
EXPLAIN SELECT COUNT(*) FROM t1;
id 1
select_type SIMPLE
table t1
type index
possible_keys NULL
key b
key_len 4
ref NULL
rows 3
Extra Using index
DROP INDEX b ON t1;
CREATE INDEX b ON t1(a,b);
EXPLAIN SELECT COUNT(*) FROM t1;
id 1
select_type SIMPLE
table t1
type index
possible_keys NULL
key b
key_len 8
ref NULL
rows 3
Extra Using index
DROP INDEX b ON t1;
CREATE INDEX b ON t1(a,b,c);
EXPLAIN SELECT COUNT(*) FROM t1;
id 1
select_type SIMPLE
table t1
type index
possible_keys NULL
key b
key_len 13
ref NULL
rows 3
Extra Using index
DROP INDEX b ON t1;
CREATE INDEX b ON t1(a,b,c,d);
EXPLAIN SELECT COUNT(*) FROM t1;
id 1
select_type SIMPLE
table t1
type index
possible_keys NULL
key PRIMARY
key_len 8
ref NULL
rows 3
Extra Using index
DROP TABLE t1;
#
End of 5.1 tests
#
# Test for bug #39932 "create table fails if column for FK is in different