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create table t1 (a int auto_increment, b int, PRIMARY KEY (a)) ENGINE=InnoDB;
create table t2 (a int auto_increment, b int, PRIMARY KEY (a)) ENGINE=MyISAM;
create table t3 (a int auto_increment, b int, PRIMARY KEY (a)) ENGINE=InnoDB;
select get_lock("a", 20);
get_lock("a", 20)
1
reset master;
insert into t2 values (null, null), (null, get_lock("a", 10));
select @result /* must be zero either way */;
@result
0
select RELEASE_LOCK("a");
RELEASE_LOCK("a")
1
delete from t1;
delete from t2;
insert into t1 values (1,1),(2,2);
begin;
update t1 set b=11 where a=2;
begin;
update t1 set b=b+10;
kill query ID;
rollback;
rollback;
select * from t1 order by a /* must be the same as before (1,1),(2,2) */;
a b
1 1
2 2
begin;
delete from t1 where a=2;
begin;
delete from t1 where a=2;
kill query ID;
rollback;
rollback;
select * from t1 order by a /* must be the same as before (1,1),(2,2) */;
a b
1 1
2 2
drop table if exists t4;
create table t4 (a int, b int) engine=innodb;
insert into t4 values (3, 3);
begin;
insert into t1 values (3, 3);
begin;
insert into t1 select * from t4 for update;
kill query ID;
rollback;
rollback;
select * from t1 /* must be the same as before (1,1),(2,2) */;
a b
1 1
2 2
drop table t4;
create table t4 (a int, b int) ENGINE=MyISAM /* for killing update and delete */;
create function bug27563(n int)
RETURNS int(11)
DETERMINISTIC
begin
if @b > 0 then
select get_lock("a", 20) into @a;
else
set @b= 1;
end if;
return n;
end|
delete from t4;
insert into t4 values (1,1), (1,1);
reset master;
select get_lock("a", 20);
get_lock("a", 20)
1
set @b= 0;
update t4 set b=b + bug27563(b);
select count(*) FROM INFORMATION_SCHEMA.PROCESSLIST where state='User lock';
count(*)
1
kill query ID;
ERROR 70100: Query execution was interrupted
select * from t4 order by b /* must be (1,1), (1,2) */;
a b
1 1
1 2
select @b /* must be 1 at the end of a stmt calling bug27563() */;
@b
1
must have the update query event more to FD
show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # User var # # @`b`=0
master-bin.000001 # Query # # use `test`; update t4 set b=b + bug27563(b)
select
(@a:=load_file("MYSQLTEST_VARDIR/tmp/binlog_killed_bug27571.binlog"))
is not null;
(@a:=load_file("MYSQLTEST_VARDIR/tmp/binlog_killed_bug27571.binlog"))
is not null
1
select 0 /* must return 0 to mean the killed query is in */;
0
0
select RELEASE_LOCK("a");
RELEASE_LOCK("a")
1
delete from t4;
insert into t4 values (1,1), (2,2);
reset master;
select get_lock("a", 20);
get_lock("a", 20)
1
set @b= 0;
delete from t4 where b=bug27563(1) or b=bug27563(2);
select count(*) FROM INFORMATION_SCHEMA.PROCESSLIST where state='User lock';
count(*)
1
kill query ID;
ERROR 70100: Query execution was interrupted
select count(*) from t4 /* must be 1 */;
count(*)
1
select @b /* must be 1 at the end of a stmt calling bug27563() */;
@b
1
must have the delete query event more to FD
show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # User var # # @`b`=0
master-bin.000001 # Query # # use `test`; delete from t4 where b=bug27563(1) or b=bug27563(2)
select
(@a:=load_file("MYSQLTEST_VARDIR/tmp/binlog_killed_bug27571.binlog"))
is not null;
(@a:=load_file("MYSQLTEST_VARDIR/tmp/binlog_killed_bug27571.binlog"))
is not null
1
select 0 /* must return 0 to mean the killed query is in */;
0
0
select RELEASE_LOCK("a");
RELEASE_LOCK("a")
1
drop table t4;
drop function bug27563;
drop table t1,t2,t3;
end of the tests
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