mirror of
https://github.com/MariaDB/server.git
synced 2025-02-13 17:05:35 +01:00
d3a2f60e1a
Backport WL#9383 INNODB: ADD AN OPTION TO TURN OFF/ON DEADLOCK CHECKER (rb#12873) to 5.7.
30 lines
749 B
Text
30 lines
749 B
Text
SET GLOBAL innodb_deadlock_detect=OFF;
|
|
SET GLOBAL innodb_lock_wait_timeout=2;
|
|
connection default;
|
|
CREATE TABLE t1(
|
|
id INT,
|
|
PRIMARY KEY(id)
|
|
) ENGINE=InnoDB;
|
|
INSERT INTO t1 VALUES(1), (2), (3);
|
|
BEGIN;
|
|
SELECT * FROM t1 WHERE id = 1 FOR UPDATE;
|
|
id
|
|
1
|
|
connect con1,localhost,root,,;
|
|
BEGIN;
|
|
SELECT * FROM t1 WHERE id = 2 FOR UPDATE;
|
|
id
|
|
2
|
|
SELECT * FROM t1 WHERE id = 1 FOR UPDATE;
|
|
connection default;
|
|
SELECT * FROM t1 WHERE id = 2 FOR UPDATE;
|
|
connection con1;
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
|
ROLLBACK;
|
|
connection default;
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
|
ROLLBACK;
|
|
DROP TABLE t1;
|
|
disconnect con1;
|
|
SET GLOBAL innodb_lock_wait_timeout=default;
|
|
SET GLOBAL innodb_deadlock_detect=default;
|