mirror of
https://github.com/MariaDB/server.git
synced 2025-01-18 13:02:28 +01:00
39 lines
637 B
Text
39 lines
637 B
Text
|
-- source include/have_innodb.inc
|
||
|
|
|
||
|
|
connect (con1,localhost,root,,);
|
||
|
|
connect (con2,localhost,root,,);
|
||
|
|
drop table if exists t1;
|
||
|
|
|
||
|
|
#
|
||
|
|
# Testing of FOR UPDATE
|
||
|
|
#
|
||
|
|
|
||
|
|
connection con1;
|
||
|
|
create table t1 (id integer, x integer) type=INNODB;
|
||
|
|
insert into t1 values(0, 0);
|
||
|
|
set autocommit=0;
|
||
|
|
SELECT * from t1 where id = 0 FOR UPDATE;
|
||
|
|
|
||
|
|
connection con2;
|
||
|
|
set autocommit=0;
|
||
|
|
|
||
|
|
# The following query should hang because con1 is locking the page
|
||
|
|
--send
|
||
|
|
update t1 set x=2 where id = 0;
|
||
|
|
--sleep 2;
|
||
|
|
|
||
|
|
connection con1;
|
||
|
|
update t1 set x=1 where id = 0;
|
||
|
|
select * from t1;
|
||
|
|
commit;
|
||
|
|
|
||
|
|
connection con2;
|
||
|
|
reap;
|
||
|
|
commit;
|
||
|
|
|
||
|
|
connection con1;
|
||
|
|
select * from t1;
|
||
|
|
commit;
|
||
|
|
|
||
|
|
drop table t1;
|