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use lpt1;
ERROR 42000: Unknown database 'lpt1'
use com1;
ERROR 42000: Unknown database 'com1'
use prn;
ERROR 42000: Unknown database 'prn'
create table nu (a int);
drop table nu;
CREATE TABLE `t1` (
`TIM` datetime NOT NULL,
`VAL` double default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
CREATE TABLE `t2` (
`TIM` datetime NOT NULL,
`VAL` double default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
CREATE TABLE `mt` (
`TIM` datetime NOT NULL,
`VAL` double default NULL
) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 INSERT_METHOD=LAST
UNION=(`t1`,`t2`);
INSERT INTO mt VALUES ('2006-01-01',0);
ALTER TABLE `t2` RENAME TO `t`;
INSERT INTO mt VALUES ('2006-01-01',0);
ERROR HY000: Can't lock file (errno: 155)
select * from mt;
ERROR HY000: Can't lock file (errno: 155)
FLUSH TABLES;
select * from mt;
ERROR HY000: Can't find file: 'mt' (errno: 2)
ALTER TABLE `t` RENAME TO `t2`;
INSERT INTO mt VALUES ('2006-01-01',0);
select * from mt;
TIM VAL
2006-01-01 00:00:00 0
2006-01-01 00:00:00 0
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