26 lines
562 B
Plaintext
26 lines
562 B
Plaintext
SET GLOBAL innodb_deadlock_detect=OFF;
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SET GLOBAL innodb_lock_wait_timeout=2;
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CREATE TABLE t1(
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id INT,
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PRIMARY KEY(id)
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) ENGINE=InnoDB;
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INSERT INTO t1 VALUES(1), (2), (3);
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BEGIN;
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SELECT * FROM t1 WHERE id = 1 FOR UPDATE;
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id
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1
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BEGIN;
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SELECT * FROM t1 WHERE id = 2 FOR UPDATE;
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id
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2
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SELECT * FROM t1 WHERE id = 1 FOR UPDATE;;
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SELECT * FROM t1 WHERE id = 2 FOR UPDATE;;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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ROLLBACK;
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id
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2
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ROLLBACK;
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DROP TABLE t1;
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SET GLOBAL innodb_lock_wait_timeout=default;
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SET GLOBAL innodb_deadlock_detect=default;
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