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1
by brian
clean slate |
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create table t1 (a int auto_increment, b int, PRIMARY KEY (a)) ENGINE=InnoDB;
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create table t2 (a int auto_increment, b int, PRIMARY KEY (a)) ENGINE=MyISAM;
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create table t3 (a int auto_increment, b int, PRIMARY KEY (a)) ENGINE=InnoDB;
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select get_lock("a", 20);
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get_lock("a", 20)
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1
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reset master;
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insert into t2 values (null, null), (null, get_lock("a", 10));
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select @result /* must be zero either way */;
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@result
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0
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select RELEASE_LOCK("a");
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RELEASE_LOCK("a")
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1
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delete from t1;
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delete from t2;
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insert into t1 values (1,1),(2,2);
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begin;
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update t1 set b=11 where a=2;
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begin;
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update t1 set b=b+10;
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kill query ID;
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rollback;
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rollback;
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select * from t1 order by a /* must be the same as before (1,1),(2,2) */;
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a b
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1 1
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2 2
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begin;
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delete from t1 where a=2;
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begin;
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delete from t1 where a=2;
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kill query ID;
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rollback;
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rollback;
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select * from t1 order by a /* must be the same as before (1,1),(2,2) */;
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a b
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1 1
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2 2
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drop table if exists t4;
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create table t4 (a int, b int) engine=innodb;
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insert into t4 values (3, 3);
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begin;
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insert into t1 values (3, 3);
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begin;
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insert into t1 select * from t4 for update;
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kill query ID;
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rollback;
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rollback;
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select * from t1 /* must be the same as before (1,1),(2,2) */;
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a b
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1 1
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2 2
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drop table t4;
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create table t4 (a int, b int) ENGINE=MyISAM /* for killing update and delete */;
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create function bug27563(n int)
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RETURNS int(11)
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DETERMINISTIC
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begin
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if @b > 0 then
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select get_lock("a", 20) into @a;
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else
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set @b= 1;
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end if;
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return n;
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end|
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delete from t4;
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insert into t4 values (1,1), (1,1);
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reset master;
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select get_lock("a", 20);
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get_lock("a", 20)
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1
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set @b= 0;
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update t4 set b=b + bug27563(b);
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select count(*) FROM INFORMATION_SCHEMA.PROCESSLIST where state='User lock';
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count(*)
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1
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kill query ID;
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ERROR 70100: Query execution was interrupted
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select * from t4 order by b /* must be (1,1), (1,2) */;
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a b
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1 1
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1 2
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select @b /* must be 1 at the end of a stmt calling bug27563() */;
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@b
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1
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must have the update query event more to FD
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show binlog events from <binlog_start>;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 # User var # # @`b`=0
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master-bin.000001 # Query # # use `test`; update t4 set b=b + bug27563(b)
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select
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(@a:=load_file("MYSQLTEST_VARDIR/tmp/binlog_killed_bug27571.binlog"))
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is not null;
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(@a:=load_file("MYSQLTEST_VARDIR/tmp/binlog_killed_bug27571.binlog"))
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is not null
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1
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select 0 /* must return 0 to mean the killed query is in */;
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0
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0
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select RELEASE_LOCK("a");
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RELEASE_LOCK("a")
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1
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delete from t4;
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insert into t4 values (1,1), (2,2);
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reset master;
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select get_lock("a", 20);
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get_lock("a", 20)
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1
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set @b= 0;
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delete from t4 where b=bug27563(1) or b=bug27563(2);
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select count(*) FROM INFORMATION_SCHEMA.PROCESSLIST where state='User lock';
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count(*)
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1
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kill query ID;
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ERROR 70100: Query execution was interrupted
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select count(*) from t4 /* must be 1 */;
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count(*)
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1
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select @b /* must be 1 at the end of a stmt calling bug27563() */;
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@b
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1
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must have the delete query event more to FD
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show binlog events from <binlog_start>;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 # User var # # @`b`=0
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master-bin.000001 # Query # # use `test`; delete from t4 where b=bug27563(1) or b=bug27563(2)
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128 |
select
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(@a:=load_file("MYSQLTEST_VARDIR/tmp/binlog_killed_bug27571.binlog"))
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is not null;
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(@a:=load_file("MYSQLTEST_VARDIR/tmp/binlog_killed_bug27571.binlog"))
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is not null
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1
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134 |
select 0 /* must return 0 to mean the killed query is in */;
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135 |
0
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136 |
0
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137 |
select RELEASE_LOCK("a");
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138 |
RELEASE_LOCK("a")
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139 |
1
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140 |
drop table t4;
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141 |
drop function bug27563;
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142 |
drop table t1,t2,t3;
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143 |
end of the tests
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