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75 lines
2.3 KiB
Plaintext
75 lines
2.3 KiB
Plaintext
# Let's see if FLUSH TABLES WITH READ LOCK can be killed when waiting
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# for running commits to finish (in the past it could not)
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# This will not be a meaningful test on non-debug servers so will be
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# skipped.
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# If running mysql-test-run --debug, the --debug added by
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# mysql-test-run to the mysqld command line will override the one of
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# -master.opt. But this test is designed to still pass then (though it
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# won't test anything interesting).
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# This also won't work with the embedded server test
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--source include/not_embedded.inc
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--source include/have_debug.inc
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# Save the initial number of concurrent sessions
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--source include/count_sessions.inc
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# Disable concurrent inserts to avoid test failures when reading the
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# connection id which was inserted into a table by another thread.
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SET @old_concurrent_insert= @@global.concurrent_insert;
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SET @@global.concurrent_insert= 0;
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connect (con1,localhost,root,,);
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connect (con2,localhost,root,,);
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connection con1;
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--disable_warnings
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DROP TABLE IF EXISTS t1;
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--enable_warnings
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CREATE TABLE t1 (kill_id INT);
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INSERT INTO t1 VALUES(connection_id());
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# Thanks to the parameter we passed to --debug, this FLUSH will
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# block on a debug build running with our --debug=make_global... It
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# will block until killed. In other cases (non-debug build or other
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# --debug) it will succeed immediately
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connection con1;
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send FLUSH TABLES WITH READ LOCK;
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# kill con1
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connection con2;
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SELECT ((@id := kill_id) - kill_id) FROM t1;
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# Wait for the debug sync point, test won't run on non-debug
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# builds anyway.
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for all running commits to finish"
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and info = "flush tables with read lock";
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--source include/wait_condition.inc
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KILL CONNECTION @id;
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connection con1;
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# On debug builds it will be error 1053 (killed); on non-debug, or
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# debug build running without our --debug=make_global..., will be
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# error 0 (no error). The only important thing to test is that on
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# debug builds with our --debug=make_global... we don't hang forever.
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--error 0,1317,2013
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reap;
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connection con2;
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DROP TABLE t1;
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connection default;
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disconnect con2;
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# Restore global concurrent_insert value
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SET @@global.concurrent_insert= @old_concurrent_insert;
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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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