mariadb/mysql-test/r/kill.result

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
#
# Additional test for WL#3726 "DDL locking for all metadata objects"
# Check that DDL and DML statements waiting for metadata locks can
# be killed. Note that we don't cover all situations here since it
# can be tricky to write test case for some of them (e.g. REPAIR or
# ALTER and other statements under LOCK TABLES).
#
drop tables if exists t1, t2, t3;
create table t1 (i int primary key);
# Test for RENAME TABLE
# Switching to connection 'blocker'
lock table t1 read;
# Switching to connection 'ddl'
rename table t1 to t2;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
# Test for DROP TABLE
drop table t1;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
# Test for CREATE TRIGGER
create trigger t1_bi before insert on t1 for each row set @a:=1;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
#
# Tests for various kinds of ALTER TABLE
#
# Full-blown ALTER which should copy table
alter table t1 add column j int;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
# Two kinds of simple ALTER
alter table t1 rename to t2;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
alter table t1 disable keys;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
# Fast ALTER
alter table t1 alter column i set default 100;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
# Special case which is triggered only for MERGE tables.
# Switching to connection 'blocker'
unlock tables;
create table t2 (i int primary key) engine=merge union=(t1);
lock tables t2 read;
# Switching to connection 'ddl'
alter table t2 alter column i set default 100;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
# Test for DML waiting for meta-data lock
# Switching to connection 'blocker'
unlock tables;
drop table t2;
create table t2 (k int);
lock tables t1 read;
# Switching to connection 'ddl'
rename tables t1 to t3, t2 to t1;
# Switching to connection 'dml'
insert into t2 values (1);
# Switching to connection 'default'
kill query ID2;
# Switching to connection 'dml'
ERROR 70100: Query execution was interrupted
# Switching to connection 'blocker'
unlock tables;
# Switching to connection 'ddl'
# Test for DML waiting for tables to be flushed
# Switching to connection 'blocker'
lock tables t1 read;
# Switching to connection 'ddl'
# Let us mark locked table t1 as old
flush tables;
# Switching to connection 'dml'
select * from t1;
# Switching to connection 'default'
kill query ID2;
# Switching to connection 'dml'
ERROR 70100: Query execution was interrupted
# Switching to connection 'blocker'
unlock tables;
# Switching to connection 'ddl'
# Cleanup.
# Switching to connection 'default'
drop table t3;
drop table t1;
set @@global.concurrent_insert= @old_concurrent_insert;