23 lines
581 B
Plaintext
23 lines
581 B
Plaintext
CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (0);
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# On connection 1
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START TRANSACTION;
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SELECT * FROM t1 WHERE c1=0 FOR UPDATE;
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c1
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0
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# On connection 2
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include/start_transaction_high_prio.inc
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START TRANSACTION /* HIGH PRIORITY */;
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UPDATE t1 SET c1=2 WHERE c1=0;
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COMMIT;
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# On connection 1
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UPDATE t1 SET c1=1 WHERE c1=0;
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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include/assert.inc ['There is a 2 in t1']
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include/assert.inc ['There is no 1 in t1']
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include/assert.inc ['There is no 0 in t1']
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DROP TABLE t1;
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