48 lines
		
	
	
		
			803 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			803 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| --disable_query_log
 | |
| set @@session.explicit_defaults_for_timestamp=off;
 | |
| --enable_query_log
 | |
| 
 | |
| #owner: linlin.xll
 | |
| #owner group: SQL1
 | |
| #description:
 | |
| #tags: dml, trx
 | |
| 
 | |
| #show variables like 'ob_query_timeout';
 | |
| 
 | |
| --disable_warnings
 | |
| drop table if exists t1;
 | |
| --enable_warnings
 | |
| 
 | |
| create table t1(pk int primary key, c1 int);
 | |
| insert into t1 values(1,1);
 | |
| 
 | |
| connect (conn1,$OBMYSQL_MS0,$OBMYSQL_USR,$OBMYSQL_PWD,test,$OBMYSQL_PORT);
 | |
| connect (conn2,$OBMYSQL_MS0,$OBMYSQL_USR,$OBMYSQL_PWD,test,$OBMYSQL_PORT);
 | |
| 
 | |
| 
 | |
| connection conn1;
 | |
| begin;
 | |
| select *  from t1   where pk=1 for update;
 | |
| update t1 set c1=c1+1 where pk=1;
 | |
| 
 | |
| 
 | |
| connection conn2;
 | |
| begin;
 | |
| send select *  from t1  where t1.pk=1 for update;
 | |
| --real_sleep 2
 | |
| 
 | |
| connection conn1;
 | |
| commit;
 | |
| 
 | |
| connection conn2;
 | |
| reap;
 | |
| update t1 set c1=c1+1 where pk=1;
 | |
| commit;
 | |
| 
 | |
| 
 | |
| select * from t1;
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | 
