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CREATE TABLE t1 (id INT PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);
FLUSH TABLES t1 WITH READ LOCK;
ALTER TABLE t1 ADD COLUMN f2 INTEGER;
INSERT INTO t1 VALUES (2,3);
UNLOCK TABLES;
### t1 should have column f2
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL,
`f2` int(11) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
SELECT * from t1;
id f2
1 NULL
2 3
DROP TABLE t1;
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