24 lines
546 B
MySQL
24 lines
546 B
MySQL
|
-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
|
||
|
|
-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
|
||
|
|
|
||
|
|
SET TIMING ON
|
||
|
|
|
||
|
|
DROP TABLE t_lock;
|
||
|
|
CREATE TABLE t_lock AS SELECT * FROM dual;
|
||
|
|
|
||
|
|
@pd enqueue_deadlock
|
||
|
|
|
||
|
|
DECLARE
|
||
|
|
PROCEDURE p IS
|
||
|
|
PRAGMA AUTONOMOUS_TRANSACTION;
|
||
|
|
j VARCHAR2(100);
|
||
|
|
BEGIN
|
||
|
|
--UPDATE t_lock SET dummy = 'Z';
|
||
|
|
SELECT dummy INTO j FROM t_lock FOR UPDATE WAIT 6;
|
||
|
|
END;
|
||
|
|
BEGIN
|
||
|
|
UPDATE t_lock SET dummy = 'Z';
|
||
|
|
p();
|
||
|
|
END;
|
||
|
|
/
|