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79 lines
2.2 KiB
Plaintext
79 lines
2.2 KiB
Plaintext
#
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# Testcase for InnoDB
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# Bug#42419 Server crash with "Pure virtual method called" on two concurrent connections
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#
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--source include/not_embedded.inc
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--source include/have_innodb.inc
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let $innodb_lock_wait_timeout= query_get_value(SHOW VARIABLES LIKE 'innodb_lock_wait_timeout%', Value, 1);
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if (`SELECT $innodb_lock_wait_timeout < 10`)
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{
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--echo # innodb_lock_wait_timeout must be >= 10 seconds
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--echo # so that this test can work all time fine on an overloaded testing box
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SHOW VARIABLES LIKE 'innodb_lock_wait_timeout';
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exit;
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}
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# Save the initial number of concurrent sessions
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--source include/count_sessions.inc
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# First session
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connection default;
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--enable_warnings
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CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY, b INT) ENGINE = InnoDB;
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INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
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COMMIT;
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SET AUTOCOMMIT = 0;
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CREATE TEMPORARY TABLE t1_tmp ( b INT );
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INSERT INTO t1_tmp (b) SELECT b FROM t1 WHERE a = 3;
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INSERT INTO t1_tmp (b) SELECT b FROM t1 WHERE a = 2;
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# Second session
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connect (user2,localhost,root,,,$MASTER_MYPORT,$MASTER_MYSOCK);
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SET AUTOCOMMIT = 0;
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CREATE TEMPORARY TABLE t2_tmp ( a int, new_a int );
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INSERT INTO t2_tmp VALUES (1,51),(2,52),(3,53);
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UPDATE t1 SET a = (SELECT new_a FROM t2_tmp WHERE t2_tmp.a = t1.a) WHERE a = 1;
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send
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UPDATE t1 SET a = (SELECT new_a FROM t2_tmp WHERE t2_tmp.a = t1.a) WHERE a = 2;
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# The last update will wait for a lock held by the first session
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# First session
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connection default;
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# Poll till the UPDATE of the second session waits for lock
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let $show_statement= SHOW PROCESSLIST;
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let $field= State;
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let $condition= = 'Updating';
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--source include/wait_show_condition.inc
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# If the testing box is overloadeded and innodb_lock_wait_timeout is too small
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# we might get here ER_LOCK_WAIT_TIMEOUT.
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--error ER_LOCK_DEADLOCK
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INSERT INTO t1_tmp (b) SELECT b FROM t1 WHERE a = 1;
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# Second session
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connection user2;
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--echo Reap the server message for connection user2 UPDATE t1 ...
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reap;
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# The server crashed when executing this UPDATE or the succeeding SQL command.
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UPDATE t1 SET a = (SELECT new_a FROM t2_tmp WHERE t2_tmp.a = t1.a) WHERE a = 3;
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connection default;
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disconnect user2;
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DROP TABLE t1;
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# Wait till all disconnects are completed
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--source include/wait_until_count_sessions.inc
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