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				https://github.com/MariaDB/server.git
				synced 2025-11-03 14:33:32 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			76 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
stop slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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reset master;
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reset slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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start slave;
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create table t1(a int auto_increment, key(a));
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create table t2(b int auto_increment, c int, key(b));
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insert into t1 values (1),(2),(3);
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insert into t1 values (null);
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insert into t2 values (null,last_insert_id());
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select * from t1;
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a
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1
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2
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3
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4
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select * from t2;
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b	c
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1	4
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drop table t1;
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drop table t2;
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create table t1(a int auto_increment, key(a)) engine=innodb;
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create table t2(b int auto_increment, c int, key(b), foreign key(b) references t1(a)) engine=innodb;
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SET FOREIGN_KEY_CHECKS=0;
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insert into t1 values (10);
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insert into t1 values (null),(null),(null);
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insert into t2 values (5,0);
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insert into t2 values (null,last_insert_id());
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SET FOREIGN_KEY_CHECKS=1;
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select * from t1;
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a
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10
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11
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12
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13
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select * from t2;
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b	c
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5	0
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6	11
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drop table t2;
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drop table t1;
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create table t1(a int auto_increment, key(a));
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create table t2(b int auto_increment, c int, key(b));
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insert into t1 values (10);
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insert into t1 values (null),(null),(null);
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insert into t2 values (5,0);
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insert into t2 (c) select * from t1;
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select * from t2;
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b	c
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5	0
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6	10
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7	11
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8	12
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9	13
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select * from t1;
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a
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10
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11
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12
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13
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select * from t2;
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b	c
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5	0
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6	10
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7	11
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8	12
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9	13
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drop table t1;
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drop table t2;
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SET TIMESTAMP=1000000000;
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CREATE TABLE t1 ( a INT UNIQUE );
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SET FOREIGN_KEY_CHECKS=0;
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INSERT INTO t1 VALUES (1),(1);
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ERROR 23000: Duplicate entry '1' for key 1
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