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68 lines
1.3 KiB
Text
68 lines
1.3 KiB
Text
# Save the initial number of concurrent sessions
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connect con1,localhost,root,,;
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connect con2,localhost,root,,;
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connect con3,localhost,root,,;
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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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connection con2;
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FLUSH TABLES WITH READ LOCK;
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connection con1;
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# Sending:
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COMMIT;
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connection con2;
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# Wait until COMMIT gets blocked.
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# Verify that 'con1' was blocked and data did not move.
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SELECT * FROM t1;
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a
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UNLOCK TABLES;
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connection con1;
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# Reaping COMMIT
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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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connection con2;
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BEGIN;
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SELECT * FROM t1 FOR UPDATE;
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connection con3;
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FLUSH TABLES WITH READ LOCK;
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connection con1;
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COMMIT;
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connection con2;
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a
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1
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COMMIT;
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connection con3;
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UNLOCK TABLES;
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connection con2;
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COMMIT;
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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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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 COLLATE latin1_swedish_ci */
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COMMIT;
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# Cleanup
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connection default;
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disconnect con1;
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disconnect con2;
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disconnect con3;
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# We commit open transactions when we disconnect: only then we can
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# drop the table.
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DROP TABLE t1;
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# End of 4.1 tests
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# Wait till all disconnects are completed
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