mirror of
				https://github.com/MariaDB/server.git
				synced 2025-11-03 14:33:32 +03:00 
			
		
		
		
	Noteworthy: - New HANDLER code - New multi-update-grant-check code - Table lock code in ha_innodb.cc was not applied
		
			
				
	
	
		
			39 lines
		
	
	
		
			785 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			785 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
drop table if exists t1,t2;
 | 
						|
create table t1(n int);
 | 
						|
insert into t1 values (1);
 | 
						|
lock tables t1 write;
 | 
						|
 update low_priority t1 set n = 4;
 | 
						|
 select n from t1;
 | 
						|
unlock tables;
 | 
						|
n
 | 
						|
4
 | 
						|
drop table t1;
 | 
						|
create table t1(n int);
 | 
						|
insert into t1 values (1);
 | 
						|
lock tables t1 read;
 | 
						|
 update low_priority t1 set n = 4;
 | 
						|
 select n from t1;
 | 
						|
unlock tables;
 | 
						|
n
 | 
						|
1
 | 
						|
drop table t1;
 | 
						|
create table t1 (a int, b int);
 | 
						|
create table t2 (c int, d int);
 | 
						|
insert into t1 values(1,1);
 | 
						|
insert into t1 values(2,2);
 | 
						|
insert into t2 values(1,2);
 | 
						|
lock table t1 read;
 | 
						|
 update t1,t2 set c=a where b=d;
 | 
						|
select c from t2;
 | 
						|
c
 | 
						|
2
 | 
						|
drop table t1;
 | 
						|
drop table t2;
 | 
						|
create table t1 (a int);
 | 
						|
create table t2 (a int);
 | 
						|
lock table t1 write, t2 write;
 | 
						|
 insert t1 select * from t2;
 | 
						|
drop table t2;
 | 
						|
ERROR 42S02: Table 'test.t2' doesn't exist
 | 
						|
drop table t1;
 |