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merged bug 37742 to 5.1-bugteam

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This commit is contained in:
Georgi Kodinov
2008-12-08 12:23:33 +02:00
parent 057323a7b0 f486bfbbdb
commit b9f848c717
3 changed files with 127 additions and 1 deletions
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85
mysql-test/r/innodb_mysql.result
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@ -1683,3 +1683,88 @@ CREATE INDEX i1 on t1 (a(3));
SELECT * FROM t1 WHERE a = 'abcde';
a
DROP TABLE t1;
CREATE TABLE foo (a int, b int, c char(10),
PRIMARY KEY (c(3)),
KEY b (b)
) engine=innodb;
CREATE TABLE foo2 (a int, b int, c char(10),
PRIMARY KEY (c),
KEY b (b)
) engine=innodb;
CREATE TABLE bar (a int, b int, c char(10),
PRIMARY KEY (c(3)),
KEY b (b)
) engine=myisam;
INSERT INTO foo VALUES
(1,2,'abcdefghij'), (2,3,''), (3,4,'klmnopqrst'),
(4,5,'uvwxyz'), (5,6,'meotnsyglt'), (4,5,'asfdewe');
INSERT INTO bar SELECT * FROM foo;
INSERT INTO foo2 SELECT * FROM foo;
EXPLAIN SELECT c FROM bar WHERE b>2;;
id 1
select_type SIMPLE
table bar
type ALL
possible_keys b
key NULL
key_len NULL
ref NULL
rows 6
Extra Using where
EXPLAIN SELECT c FROM foo WHERE b>2;;
id 1
select_type SIMPLE
table foo
type ALL
possible_keys b
key NULL
key_len NULL
ref NULL
rows 6
Extra Using where
EXPLAIN SELECT c FROM foo2 WHERE b>2;;
id 1
select_type SIMPLE
table foo2
type range
possible_keys b
key b
key_len 5
ref NULL
rows 3
Extra Using where; Using index
EXPLAIN SELECT c FROM bar WHERE c>2;;
id 1
select_type SIMPLE
table bar
type ALL
possible_keys PRIMARY
key NULL
key_len NULL
ref NULL
rows 6
Extra Using where
EXPLAIN SELECT c FROM foo WHERE c>2;;
id 1
select_type SIMPLE
table foo
type ALL
possible_keys PRIMARY
key NULL
key_len NULL
ref NULL
rows 6
Extra Using where
EXPLAIN SELECT c FROM foo2 WHERE c>2;;
id 1
select_type SIMPLE
table foo2
type index
possible_keys PRIMARY
key b
key_len 5
ref NULL
rows 6
Extra Using where; Using index
DROP TABLE foo, bar, foo2;
End of 5.1 tests