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a comment in the test says # do not clean up - we do not know which of the three has been released # so the --reap command may hang because the command that is being executed # in that connection is still running/waiting
76 lines
1.7 KiB
Text
76 lines
1.7 KiB
Text
--source include/have_innodb.inc
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#
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# Bug#38231 Innodb crash in lock_reset_all_on_table() on TRUNCATE + LOCK / UNLOCK
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# http://bugs.mysql.com/38231
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#
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# skip this test in embedded mode because "TRUNCATE TABLE bug38231_1"
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# hangs in that mode waiting for "lock_wait_timeout" although it is
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# preceded by --send
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-- source include/not_embedded.inc
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SET default_storage_engine=InnoDB;
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# we care only that the following SQL commands do not crash the server
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-- disable_query_log
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-- disable_result_log
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CREATE TABLE bug38231_1 (a INT);
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-- connect (lock_gain,localhost,root,,)
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-- connect (lock_wait1,localhost,root,,)
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-- connect (lock_wait2,localhost,root,,)
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-- connect (truncate_wait,localhost,root,,)
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-- connection lock_gain
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SET autocommit=0;
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LOCK TABLE bug38231_1 WRITE;
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-- connection lock_wait1
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SET autocommit=0;
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-- send
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LOCK TABLE bug38231_1 WRITE;
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-- connection lock_wait2
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SET autocommit=0;
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-- send
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LOCK TABLE bug38231_1 WRITE;
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-- connection truncate_wait
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-- send
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TRUNCATE TABLE bug38231_1;
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-- connection lock_gain
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# this crashes the server if the bug is present
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UNLOCK TABLES;
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# clean up
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# do not clean up - we do not know which of the three has been released
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# so the --reap command may hang because the command that is being executed
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# in that connection is still running/waiting
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#-- connection lock_wait1
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#-- reap
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#UNLOCK TABLES;
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#
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#-- connection lock_wait2
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#-- reap
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#UNLOCK TABLES;
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#
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#-- connection truncate_wait
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#-- reap
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-- connection default
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-- dirty_close lock_gain
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-- dirty_close lock_wait1
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-- dirty_close lock_wait2
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-- dirty_close truncate_wait
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DROP TABLE bug38231_1;
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-- enable_query_log
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-- enable_result_log
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-- let $count_sessions= 1
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-- source include/wait_until_count_sessions.inc
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