142 lines
3.9 KiB
Plaintext
142 lines
3.9 KiB
Plaintext
set @old_concurrent_insert= @@global.concurrent_insert;
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set @@global.concurrent_insert= 0;
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drop table if exists t1, t2, t3;
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create table t1 (kill_id int);
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insert into t1 values(connection_id());
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select ((@id := kill_id) - kill_id) from t1;
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((@id := kill_id) - kill_id)
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0
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kill @id;
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select ((@id := kill_id) - kill_id) from t1;
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((@id := kill_id) - kill_id)
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0
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select @id != connection_id();
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@id != connection_id()
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1
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select 4;
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4
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4
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drop table t1;
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kill (select count(*) from mysql.user);
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ERROR 42000: This version of MySQL doesn't yet support 'Usage of subqueries or stored function calls as part of this statement'
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create table t1 (id int primary key);
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create table t2 (id int unsigned not null);
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insert into t2 select id from t1;
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create table t3 (kill_id int);
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insert into t3 values(connection_id());
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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);
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select ((@id := kill_id) - kill_id) from t3;
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((@id := kill_id) - kill_id)
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0
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kill @id;
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Got one of the listed errors
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drop table t1, t2, t3;
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select get_lock("a", 10);
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get_lock("a", 10)
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1
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select get_lock("a", 10);
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get_lock("a", 10)
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NULL
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select 1;
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1
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1
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select RELEASE_LOCK("a");
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RELEASE_LOCK("a")
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1
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create table t1(f1 int);
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create function bug27563() returns int(11)
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deterministic
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begin
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declare continue handler for sqlstate '70100' set @a:= 'killed';
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declare continue handler for sqlexception set @a:= 'exception';
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set @a= get_lock("lock27563", 10);
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return 1;
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end|
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select get_lock("lock27563",10);
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get_lock("lock27563",10)
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1
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insert into t1 values (bug27563());
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ERROR 70100: Query execution was interrupted
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select @a;
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@a
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NULL
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select * from t1;
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f1
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insert into t1 values(0);
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update t1 set f1= bug27563();
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ERROR 70100: Query execution was interrupted
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select @a;
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@a
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NULL
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select * from t1;
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f1
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0
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insert into t1 values(1);
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delete from t1 where bug27563() is null;
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ERROR 70100: Query execution was interrupted
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select @a;
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@a
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NULL
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select * from t1;
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f1
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0
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1
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select * from t1 where f1= bug27563();
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ERROR 70100: Query execution was interrupted
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select @a;
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@a
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NULL
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create procedure proc27563()
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begin
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declare continue handler for sqlstate '70100' set @a:= 'killed';
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declare continue handler for sqlexception set @a:= 'exception';
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select get_lock("lock27563",10);
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select "shouldn't be selected";
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end|
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call proc27563();
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get_lock("lock27563",10)
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NULL
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ERROR 70100: Query execution was interrupted
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select @a;
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@a
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NULL
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create table t2 (f2 int);
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create trigger trg27563 before insert on t1 for each row
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begin
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declare continue handler for sqlstate '70100' set @a:= 'killed';
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declare continue handler for sqlexception set @a:= 'exception';
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set @a:= get_lock("lock27563",10);
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insert into t2 values(1);
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end|
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insert into t1 values(2),(3);
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ERROR 70100: Query execution was interrupted
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select @a;
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@a
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NULL
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select * from t1;
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f1
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0
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1
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select * from t2;
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f2
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select release_lock("lock27563");
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release_lock("lock27563")
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1
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drop table t1, t2;
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drop function bug27563;
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drop procedure proc27563;
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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 ';
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EXECUTE stmt;
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#
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# Bug#19723: kill of active connection yields different error code
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# depending on platform.
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#
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# Connection: con2.
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KILL CONNECTION_ID();
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# CR_SERVER_LOST, CR_SERVER_GONE_ERROR, depending on the timing
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# of close of the connection socket
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SELECT 1;
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Got one of the listed errors
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set @@global.concurrent_insert= @old_concurrent_insert;
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