63 lines
		
	
	
		
			876 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			876 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| drop table if exists t2;
 | |
| drop table if exists t3;
 | |
| create table t2 (i int primary key, j int);
 | |
| insert into t2 values (1,1);
 | |
| set autocommit = 1;
 | |
| insert into t2 values (2,2);
 | |
| commit;
 | |
| rollback;
 | |
| select * from t2;
 | |
| i	j
 | |
| 1	1
 | |
| 2	2
 | |
| set autocommit = 0;
 | |
| insert into t2 values (3,3);
 | |
| rollback;
 | |
| insert into t2 values (3,3);
 | |
| commit;
 | |
| insert into t2 values (3,3);
 | |
| ERROR 23000: Duplicate entry '3' for key 'PRIMARY'
 | |
| rollback;
 | |
| commit;
 | |
| set autocommit = 0;
 | |
| insert into t2 values (4,4);
 | |
| create table t3 (i int primary key, j int);
 | |
| select * from t2;
 | |
| i	j
 | |
| 1	1
 | |
| 2	2
 | |
| 3	3
 | |
| 4	4
 | |
| rollback;
 | |
| select * from t2;
 | |
| i	j
 | |
| 1	1
 | |
| 2	2
 | |
| 3	3
 | |
| 4	4
 | |
| set autocommit = 0;
 | |
| insert into t2 values (5,5);
 | |
| set autocommit = 1;
 | |
| rollback;
 | |
| select * from t2;
 | |
| i	j
 | |
| 1	1
 | |
| 2	2
 | |
| 3	3
 | |
| 4	4
 | |
| 5	5
 | |
| set autocommit = 0;
 | |
| insert into t2 values (6,6);
 | |
| begin;
 | |
| rollback;
 | |
| select * from t2;
 | |
| i	j
 | |
| 1	1
 | |
| 2	2
 | |
| 3	3
 | |
| 4	4
 | |
| 5	5
 | |
| 6	6
 | |
| drop table if exists t2;
 | |
| drop table if exists t3;
 | 
