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26 lines
903 B
Text
26 lines
903 B
Text
drop table if exists t1,t2;
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CREATE TABLE t1 (a INT, INDEX(a)) engine=innodb;
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ALTER TABLE t1 RENAME TO t2, DISABLE KEYS;
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Warnings:
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Note 1031 Storage engine InnoDB of the table `test`.`t1` doesn't have this option
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DROP TABLE t2;
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CREATE TABLE t1 (
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col4 text NOT NULL,
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col2 int(11) NOT NULL DEFAULT '0',
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col3 int(11) DEFAULT NULL,
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extra int(11) DEFAULT NULL,
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KEY idx (col4(10))
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) ENGINE=InnoDB DEFAULT CHARSET=latin1;
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insert t1 values (repeat('1', 8193),3,1,1);
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insert t1 values (repeat('3', 8193),3,1,1);
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ALTER TABLE t1 ADD PRIMARY KEY (col4(10)) , ADD UNIQUE KEY uidx (col3);
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ERROR 23000: Duplicate entry '1' for key 'uidx'
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DROP TABLE t1;
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CREATE TABLE t1 (a INT) ENGINE = InnoDB;
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INSERT INTO t1 VALUES (2);
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ALTER TABLE t1 ADD PRIMARY KEY (a);
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ALTER TABLE t1 DROP PRIMARY KEY;
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INSERT INTO t1 VALUES (2);
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ALTER TABLE t1 ADD PRIMARY KEY (a);
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ERROR 23000: Duplicate entry '2' for key 'PRIMARY'
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DROP TABLE t1;
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