--- index_enable_disable.result 2013-01-22 22:05:05.246633000 +0400 +++ index_enable_disable.reject 2013-01-23 02:50:30.723866202 +0400 @@ -11,15 +11,19 @@ Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment t1 1 a 1 a # # NULL NULL YES BTREE ALTER TABLE t1 DISABLE KEYS; +Warnings: +Note 1031 Storage engine MRG_MyISAM of the table `test`.`t1` doesn't have this option SHOW INDEX IN t1; Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment -t1 1 a 1 a # # NULL NULL YES BTREE disabled +t1 1 a 1 a # # NULL NULL YES BTREE EXPLAIN SELECT a FROM t1 ORDER BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 19 Using filesort +1 SIMPLE t1 index NULL a 5 NULL 19 Using index INSERT INTO t1 (a) VALUES (11),(12),(13),(14),(15),(16),(17),(18),(19),(20); ALTER TABLE t1 ENABLE KEYS; +Warnings: +Note 1031 Storage engine MRG_MyISAM of the table `test`.`t1` doesn't have this option SHOW INDEX IN t1; Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment t1 1 a 1 a # # NULL NULL YES BTREE @@ -32,6 +36,8 @@ (1),(2),(3),(4),(5),(6),(7),(8),(9), (21),(22),(23),(24),(25),(26),(27),(28),(29); ALTER TABLE t1 DISABLE KEYS; +Warnings: +Note 1031 Storage engine MRG_MyISAM of the table `test`.`t1` doesn't have this option INSERT INTO t1 (a) VALUES (29); ERROR 23000: Duplicate entry '29' for key 'a' # Statement ended with one of expected results (ER_DUP_ENTRY,ER_DUP_KEY).