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DROP TABLE IF EXISTS t1,t2; connect con1,localhost,root,,; connect con2,localhost,root,,; CREATE TABLE t1 (x1 INT); connection con1; ALTER TABLE t1 CHANGE x1 x2 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; ALTER TABLE t1 CHANGE x2 x1 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; connection con1; ALTER TABLE t1 CHANGE x1 x2 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; ALTER TABLE t1 CHANGE x2 x1 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; connection con1; ALTER TABLE t1 CHANGE x1 x2 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; ALTER TABLE t1 CHANGE x2 x1 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; connection con1; ALTER TABLE t1 CHANGE x1 x2 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; ALTER TABLE t1 CHANGE x2 x1 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; connection con1; ALTER TABLE t1 CHANGE x1 x2 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; ALTER TABLE t1 CHANGE x2 x1 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; connection con1; ALTER TABLE t1 CHANGE x1 x2 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; ALTER TABLE t1 CHANGE x2 x1 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; connection con1; ALTER TABLE t1 CHANGE x1 x2 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; ALTER TABLE t1 CHANGE x2 x1 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; connection con1; ALTER TABLE t1 CHANGE x1 x2 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; ALTER TABLE t1 CHANGE x2 x1 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; connection con1; ALTER TABLE t1 CHANGE x1 x2 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; ALTER TABLE t1 CHANGE x2 x1 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; connection con1; ALTER TABLE t1 CHANGE x1 x2 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; ALTER TABLE t1 CHANGE x2 x1 INT; connection con2; CREATE TABLE t2 LIKE t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `xx` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t2; connection con1; DROP TABLE t1; connection default; disconnect con1; disconnect con2;