142 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
		
		
			
		
	
	
			142 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
|  | set @old_concurrent_insert= @@global.concurrent_insert; | ||
|  | set @@global.concurrent_insert= 0; | ||
|  | drop table if exists t1, t2, t3; | ||
|  | create table t1 (kill_id int); | ||
|  | insert into t1 values(connection_id()); | ||
|  | select ((@id := kill_id) - kill_id) from t1; | ||
|  | ((@id := kill_id) - kill_id) | ||
|  | 0 | ||
|  | kill @id; | ||
|  | select ((@id := kill_id) - kill_id) from t1; | ||
|  | ((@id := kill_id) - kill_id) | ||
|  | 0 | ||
|  | select @id != connection_id(); | ||
|  | @id != connection_id() | ||
|  | 1 | ||
|  | select 4; | ||
|  | 4 | ||
|  | 4 | ||
|  | drop table t1; | ||
|  | kill (select count(*) from mysql.user); | ||
|  | ERROR 42000: This version of MySQL doesn't yet support 'Usage of subqueries or stored function calls as part of this statement' | ||
|  | create table t1 (id int primary key); | ||
|  | create table t2 (id int unsigned not null); | ||
|  | insert into t2 select id from t1; | ||
|  | create table t3 (kill_id int); | ||
|  | insert into t3 values(connection_id()); | ||
|  | select id from t1 where id in (select distinct a.id from t2 a, t2 b, t2 c, t2 d group by a.id, b.id, c.id, d.id having a.id between 10 and 20); | ||
|  | select ((@id := kill_id) - kill_id) from t3; | ||
|  | ((@id := kill_id) - kill_id) | ||
|  | 0 | ||
|  | kill @id; | ||
|  | Got one of the listed errors | ||
|  | drop table t1, t2, t3; | ||
|  | select get_lock("a", 10); | ||
|  | get_lock("a", 10) | ||
|  | 1 | ||
|  | select get_lock("a", 10); | ||
|  | get_lock("a", 10) | ||
|  | NULL | ||
|  | select 1; | ||
|  | 1 | ||
|  | 1 | ||
|  | select RELEASE_LOCK("a"); | ||
|  | RELEASE_LOCK("a") | ||
|  | 1 | ||
|  | create table t1(f1 int); | ||
|  | create function bug27563() returns int(11) | ||
|  | deterministic | ||
|  | begin | ||
|  | declare continue handler for sqlstate '70100' set @a:= 'killed'; | ||
|  | declare continue handler for sqlexception set @a:= 'exception'; | ||
|  | set @a= get_lock("lock27563", 10); | ||
|  | return 1; | ||
|  | end| | ||
|  | select get_lock("lock27563",10); | ||
|  | get_lock("lock27563",10) | ||
|  | 1 | ||
|  | insert into t1 values (bug27563()); | ||
|  | ERROR 70100: Query execution was interrupted | ||
|  | select @a; | ||
|  | @a | ||
|  | NULL | ||
|  | select * from t1; | ||
|  | f1 | ||
|  | insert into t1 values(0); | ||
|  | update t1 set f1= bug27563(); | ||
|  | ERROR 70100: Query execution was interrupted | ||
|  | select @a; | ||
|  | @a | ||
|  | NULL | ||
|  | select * from t1; | ||
|  | f1 | ||
|  | 0 | ||
|  | insert into t1 values(1); | ||
|  | delete from t1 where bug27563() is null; | ||
|  | ERROR 70100: Query execution was interrupted | ||
|  | select @a; | ||
|  | @a | ||
|  | NULL | ||
|  | select * from t1; | ||
|  | f1 | ||
|  | 0 | ||
|  | 1 | ||
|  | select * from t1 where f1= bug27563(); | ||
|  | ERROR 70100: Query execution was interrupted | ||
|  | select @a; | ||
|  | @a | ||
|  | NULL | ||
|  | create procedure proc27563() | ||
|  | begin | ||
|  | declare continue handler for sqlstate '70100' set @a:= 'killed'; | ||
|  | declare continue handler for sqlexception set @a:= 'exception'; | ||
|  | select get_lock("lock27563",10); | ||
|  | select "shouldn't be selected"; | ||
|  | end| | ||
|  | call proc27563(); | ||
|  | get_lock("lock27563",10) | ||
|  | NULL | ||
|  | ERROR 70100: Query execution was interrupted | ||
|  | select @a; | ||
|  | @a | ||
|  | NULL | ||
|  | create table t2 (f2 int); | ||
|  | create trigger trg27563 before insert on t1 for each row  | ||
|  | begin  | ||
|  | declare continue handler for sqlstate '70100' set @a:= 'killed'; | ||
|  | declare continue handler for sqlexception set @a:= 'exception'; | ||
|  | set @a:= get_lock("lock27563",10); | ||
|  | insert into t2 values(1); | ||
|  | end| | ||
|  | insert into t1 values(2),(3); | ||
|  | ERROR 70100: Query execution was interrupted | ||
|  | select @a; | ||
|  | @a | ||
|  | NULL | ||
|  | select * from t1; | ||
|  | f1 | ||
|  | 0 | ||
|  | 1 | ||
|  | select * from t2; | ||
|  | f2 | ||
|  | select release_lock("lock27563"); | ||
|  | release_lock("lock27563") | ||
|  | 1 | ||
|  | drop table t1, t2; | ||
|  | drop function bug27563; | ||
|  | drop procedure proc27563; | ||
|  | PREPARE stmt FROM 'EXPLAIN SELECT * FROM t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14,t15,t16,t17,t18,t19,t20,t21,t22,t23,t24,t25,t26,t27,t28,t29,t30,t31,t32,t33,t34,t35,t36,t37,t38,t39,t40 WHERE a1=a2 AND a2=a3 AND a3=a4 AND a4=a5 AND a5=a6 AND a6=a7 AND a7=a8 AND a8=a9 AND a9=a10 AND a10=a11 AND a11=a12 AND a12=a13 AND a13=a14 AND a14=a15 AND a15=a16 AND a16=a17 AND a17=a18 AND a18=a19 AND a19=a20 AND a20=a21 AND a21=a22 AND a22=a23 AND a23=a24 AND a24=a25 AND a25=a26 AND a26=a27 AND a27=a28 AND a28=a29 AND a29=a30 AND a30=a31 AND a31=a32 AND a32=a33 AND a33=a34 AND a34=a35 AND a35=a36 AND a36=a37 AND a37=a38 AND a38=a39 AND a39=a40  '; | ||
|  | EXECUTE stmt; | ||
|  | # | ||
|  | # Bug#19723: kill of active connection yields different error code | ||
|  | # depending on platform. | ||
|  | # | ||
|  | 
 | ||
|  | # Connection: con2. | ||
|  | KILL CONNECTION_ID(); | ||
|  | # CR_SERVER_LOST, CR_SERVER_GONE_ERROR, depending on the timing  | ||
|  | # of close of the connection socket | ||
|  | SELECT 1; | ||
|  | Got one of the listed errors | ||
|  | set @@global.concurrent_insert= @old_concurrent_insert; |