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Diffstat (limited to 'mysql-test/r/key.result')
| -rw-r--r-- | mysql-test/r/key.result | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/mysql-test/r/key.result b/mysql-test/r/key.result index b8387389075..28824de94ce 100644 --- a/mysql-test/r/key.result +++ b/mysql-test/r/key.result @@ -222,3 +222,16 @@ explain select 1 from t1 where id =2; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ref id id 4 const 1 Using where; Using index drop table t1; +CREATE TABLE t1 (numeropost mediumint(8) unsigned NOT NULL default '0', numreponse int(10) unsigned NOT NULL auto_increment, PRIMARY KEY (numeropost,numreponse), UNIQUE KEY numreponse (numreponse)); +INSERT INTO t1 (numeropost,numreponse) VALUES ('1','1'),('1','2'),('2','3'),('2','4'); +SELECT numeropost FROM t1 WHERE numreponse='1'; +numeropost +1 +EXPLAIN SELECT numeropost FROM t1 WHERE numreponse='1'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 const numreponse numreponse 4 const 1 Using index +FLUSH TABLES; +SELECT numeropost FROM t1 WHERE numreponse='1'; +numeropost +1 +drop table t1; |