58 lines
1.2 KiB
Plaintext
58 lines
1.2 KiB
Plaintext
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# Establish connection con1 (user=root)
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# Establish connection con2 (user=root)
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# Establish connection con3 (user=root)
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# Switch to connection con1
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (a INT) ENGINE=innodb;
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BEGIN;
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INSERT INTO t1 VALUES(1);
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# Switch to connection con2
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FLUSH TABLES WITH READ LOCK;
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SELECT * FROM t1;
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a
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# Switch to connection con1
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COMMIT;
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# Switch to connection con2
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SELECT * FROM t1;
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a
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UNLOCK TABLES;
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# Switch to connection con1
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# Switch to connection con1
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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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# Switch to connection con2
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BEGIN;
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SELECT * FROM t1 FOR UPDATE;
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# Switch to connection con3
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FLUSH TABLES WITH READ LOCK;
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# Switch to connection con1
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COMMIT;
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# Switch to connection con2
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a
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1
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# Switch to connection con3
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UNLOCK TABLES;
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# Switch to connection con2
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COMMIT;
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# Switch to connection con1
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BEGIN;
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INSERT INTO t1 VALUES(10);
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FLUSH TABLES WITH READ LOCK;
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COMMIT;
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UNLOCK TABLES;
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# Switch to connection con2
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FLUSH TABLES WITH READ LOCK;
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UNLOCK TABLES;
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BEGIN;
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SELECT * FROM t1;
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a
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1
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10
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SHOW CREATE DATABASE test;
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Database Create Database
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test CREATE DATABASE `test` /*!40100 DEFAULT CHARACTER SET latin1 */
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DROP TABLE t1;
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# Switch to connection default and close connections con1, con2, con3
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