mariadb/mysql-test/suite/innodb/t/deadlock_detect.test
Shaohua Wang d3a2f60e1a BUG#23477773 OPTION TO TURN OFF/ON DEADLOCK CHECKER
Backport WL#9383 INNODB: ADD AN OPTION TO TURN OFF/ON DEADLOCK CHECKER
(rb#12873) to 5.7.
2017-04-24 15:09:18 +03:00

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Text

#
# wl#9383 INNODB: ADD AN OPTION TO TURN OFF/ON DEADLOCK CHECKER
#
--source include/have_innodb.inc
--source include/not_embedded.inc
--source include/count_sessions.inc
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;
connect (con1,localhost,root,,);
BEGIN;
SELECT * FROM t1 WHERE id = 2 FOR UPDATE;
send SELECT * FROM t1 WHERE id = 1 FOR UPDATE;
connection default;
send SELECT * FROM t1 WHERE id = 2 FOR UPDATE;
connection con1;
--error ER_LOCK_WAIT_TIMEOUT
reap;
ROLLBACK;
connection default;
--error ER_LOCK_WAIT_TIMEOUT
reap;
ROLLBACK;
DROP TABLE t1;
disconnect con1;
--source include/wait_until_count_sessions.inc
SET GLOBAL innodb_lock_wait_timeout=default;
SET GLOBAL innodb_deadlock_detect=default;