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Modified the test case for bug 16674 to have the same

execution plans in 4.1 and 5.0.
This commit is contained in:
igor@rurik.mysql.com
2006-06-21 22:39:48 -07:00
parent cfd2c2a569
commit e307b5b297
2 changed files with 12 additions and 4 deletions

View File

@@ -1173,6 +1173,7 @@ INSERT INTO t1 VALUES
('Käli Käli 2-4'), ('Käli Käli 2-4'),
('Käli Käli 2+4'), ('Käli Käli 2+4'),
('Käli Käli 2-6'), ('Käli Käli 2-6');
INSERT INTO t1 SELECT * FROM t1;
CREATE TABLE t2 (
a CHAR(13) DEFAULT '',
INDEX(a)
@@ -1181,26 +1182,31 @@ INSERT INTO t2 VALUES
('Kali Kali 2-4'), ('Kali Kali 2-4'),
('Kali Kali 2+4'), ('Kali Kali 2+4'),
('Kali Kali 2-6'), ('Kali Kali 2-6');
INSERT INTO t2 SELECT * FROM t2;
SELECT a FROM t1 WHERE a LIKE 'Käli Käli 2+4';
a
Käli Käli 2+4
Käli Käli 2+4
Käli Käli 2+4
Käli Käli 2+4
SELECT a FROM t2 WHERE a LIKE 'Kali Kali 2+4';
a
Kali Kali 2+4
Kali Kali 2+4
Kali Kali 2+4
Kali Kali 2+4
EXPLAIN SELECT a FROM t1 WHERE a LIKE 'Käli Käli 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 40 NULL 2 Using where; Using index
1 SIMPLE t1 range a a 40 NULL 4 Using where; Using index
EXPLAIN SELECT a FROM t1 WHERE a = 'Käli Käli 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 40 const 2 Using where; Using index
1 SIMPLE t1 ref a a 40 const 4 Using where; Using index
EXPLAIN SELECT a FROM t2 WHERE a LIKE 'Kali Kali 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 14 NULL 2 Using where; Using index
1 SIMPLE t2 range a a 14 NULL 4 Using where; Using index
EXPLAIN SELECT a FROM t2 WHERE a = 'Kali Kali 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref a a 14 const 2 Using where; Using index
1 SIMPLE t2 ref a a 14 const 4 Using where; Using index
DROP TABLE t1,t2;
CREATE TABLE t1 (
a char(255) DEFAULT '',