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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;
SELECT * FROM t1 WHERE id = 1 FOR UPDATE;
connection default;
SELECT * FROM t1 WHERE id = 2 FOR UPDATE;
connection con1;
ROLLBACK;
connection default;
ROLLBACK;
DROP TABLE t1;
disconnect con1;
SET GLOBAL innodb_lock_wait_timeout=default;
SET GLOBAL innodb_deadlock_detect=default;
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