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1
by brian
clean slate |
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--disable_warnings
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drop table if exists t1,t2; |
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--enable_warnings
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connect (locker,localhost,root,,); |
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connect (reader,localhost,root,,); |
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connect (writer,localhost,root,,); |
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#
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# Bug#19815 - CREATE/RENAME/DROP DATABASE can deadlock on a global read lock |
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#
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connect (con1,localhost,root,,); |
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connect (con2,localhost,root,,); |
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#
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connection con1; |
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CREATE DATABASE mysqltest_1; |
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FLUSH TABLES WITH READ LOCK; |
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#
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# With bug in place: acquire LOCK_mysql_create_table and |
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# wait in wait_if_global_read_lock(). |
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connection con2; |
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send DROP DATABASE mysqltest_1; |
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#
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# With bug in place: try to acquire LOCK_mysql_create_table... |
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# When fixed: Reject dropping db because of the read lock. |
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connection con1; |
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let $wait_condition= |
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1273.13.35
by Brian Aker
Remove processlist from old I_S. |
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select count(*) = 1 from data_dictionary.processlist |
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1
by brian
clean slate |
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where state = "Waiting for release of readlock" |
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and info = "DROP DATABASE mysqltest_1"; |
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--source include/wait_condition.inc
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--error ER_CANT_UPDATE_WITH_READLOCK
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DROP DATABASE mysqltest_1; |
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UNLOCK TABLES; |
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#
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connection con2; |
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reap; |
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#
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connection default; |
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disconnect con1; |
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disconnect con2; |
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# This must have been dropped by connection 2 already, |
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# which waited until the global read lock was released. |
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--error ER_DB_DROP_EXISTS
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DROP DATABASE mysqltest_1; |
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--echo End of 5.1 tests
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