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Merge with 4.0.14
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@ -320,3 +320,72 @@ select a,hex(a) from t1;
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a hex(a)
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD> D4C5D3D4
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drop table t1;
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CREATE TABLE t1 (
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Host varchar(16) binary NOT NULL default '',
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User varchar(16) binary NOT NULL default '',
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PRIMARY KEY (Host,User)
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) TYPE=MyISAM;
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ALTER TABLE t1 DISABLE KEYS;
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LOCK TABLES t1 WRITE;
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INSERT INTO t1 VALUES ('localhost','root'),('localhost',''),('games','monty');
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SHOW INDEX FROM t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE
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t1 0 PRIMARY 2 User A 3 NULL NULL BTREE
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ALTER TABLE t1 ENABLE KEYS;
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UNLOCK TABLES;
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CHECK TABLES t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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DROP TABLE t1;
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CREATE TABLE t1 (
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Host varchar(16) binary NOT NULL default '',
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User varchar(16) binary NOT NULL default '',
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PRIMARY KEY (Host,User),
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KEY (Host)
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) TYPE=MyISAM;
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ALTER TABLE t1 DISABLE KEYS;
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SHOW INDEX FROM t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE
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t1 0 PRIMARY 2 User A 0 NULL NULL BTREE
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t1 1 Host 1 Host A NULL NULL NULL BTREE disabled
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LOCK TABLES t1 WRITE;
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INSERT INTO t1 VALUES ('localhost','root'),('localhost','');
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SHOW INDEX FROM t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE
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t1 0 PRIMARY 2 User A 2 NULL NULL BTREE
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t1 1 Host 1 Host A NULL NULL NULL BTREE disabled
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ALTER TABLE t1 ENABLE KEYS;
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SHOW INDEX FROM t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE
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t1 0 PRIMARY 2 User A 2 NULL NULL BTREE
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t1 1 Host 1 Host A 1 NULL NULL BTREE
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UNLOCK TABLES;
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CHECK TABLES t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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LOCK TABLES t1 WRITE;
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ALTER TABLE t1 RENAME t2;
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UNLOCK TABLES;
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select * from t2;
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Host User
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localhost
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localhost root
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DROP TABLE t2;
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CREATE TABLE t1 (
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Host varchar(16) binary NOT NULL default '',
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User varchar(16) binary NOT NULL default '',
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PRIMARY KEY (Host,User),
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KEY (Host)
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) TYPE=MyISAM;
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LOCK TABLES t1 WRITE;
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ALTER TABLE t1 DISABLE KEYS;
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SHOW INDEX FROM t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE
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t1 0 PRIMARY 2 User A 0 NULL NULL BTREE
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t1 1 Host 1 Host A NULL NULL NULL BTREE disabled
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DROP TABLE t1;
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