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24 lines
520 B
Plaintext
24 lines
520 B
Plaintext
DROP TABLE IF EXISTS t1;
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# Verifying that X_LOCK not acquired
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CREATE TABLE t1 (a INT) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (1);
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connect conn1,localhost,root,,;
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connection conn1;
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SET autocommit=0;
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SET innodb_fake_changes=1;
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BEGIN;
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SELECT * FROM t1 FOR UPDATE;
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a
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1
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connection default;
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SET innodb_lock_wait_timeout=3;
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UPDATE t1 SET a=2;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SELECT * FROM t1 LOCK IN SHARE MODE;
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a
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1
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connection conn1;
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ROLLBACK;
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SET innodb_fake_changes=default;
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DROP TABLE t1;
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