31 lines
		
	
	
		
			654 B
		
	
	
	
		
			Plaintext
		
	
	
	
		
		
			
		
	
	
			31 lines
		
	
	
		
			654 B
		
	
	
	
		
			Plaintext
		
	
	
	
|  | drop table if exists t1; | ||
|  | SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; | ||
|  | CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; | ||
|  | INSERT INTO t1 VALUES (null); | ||
|  | INSERT INTO t1 VALUES (null); | ||
|  | ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; | ||
|  | SELECT * FROM t1; | ||
|  | d1 | ||
|  | 1 | ||
|  | 2 | ||
|  | SELECT * FROM t1; | ||
|  | d1 | ||
|  | 1 | ||
|  | 2 | ||
|  | INSERT INTO t1 VALUES(null); | ||
|  | ALTER TABLE t1 AUTO_INCREMENT = 3; | ||
|  | SHOW CREATE TABLE t1; | ||
|  | Table	Create Table | ||
|  | t1	CREATE TABLE `t1` ( | ||
|  |   `d1` int(11) NOT NULL AUTO_INCREMENT, | ||
|  |   PRIMARY KEY (`d1`) | ||
|  | ) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1 | ||
|  | INSERT INTO t1 VALUES(null); | ||
|  | SELECT * FROM t1; | ||
|  | d1 | ||
|  | 1 | ||
|  | 2 | ||
|  | 3 | ||
|  | 4 | ||
|  | DROP TABLE t1; |