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32 lines
1.1 KiB
Text
32 lines
1.1 KiB
Text
--source include/have_semisync.inc
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--source include/not_embedded.inc
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--source include/have_debug_sync.inc
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--source include/have_binlog_format_mixed_or_statement.inc
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--source include/master-slave.inc
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# MDEV-359: There was a server crash when the code first checks if semisync
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# is enabled without lock, then if so takes the lock and tests again.
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# If semisync was disabled in-between the first and the second test, an
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# assert was incorrectly made that referenced a NULL pointer.
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#
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# This tests uses debug_sync to pause one thread at the critical point in
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# the code, disable the semisync, and then continue the paused thread.
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CREATE TABLE t1 (a INT) ENGINE=MyISAM;
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SET GLOBAL rpl_semi_sync_master_enabled = ON;
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--connection master1
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SET DEBUG_SYNC = "rpl_semisync_master_commit_trx_before_lock SIGNAL m1_ready WAIT_FOR m1_cont";
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--send
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INSERT INTO t1 SELECT * FROM t1;
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--connection master
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SET DEBUG_SYNC= "now WAIT_FOR m1_ready";
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SET GLOBAL rpl_semi_sync_master_enabled = OFF;
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SET DEBUG_SYNC= "now SIGNAL m1_cont";
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--connection master1
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--reap
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connection master;
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DROP TABLE t1;
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SET DEBUG_SYNC= "RESET";
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--source include/rpl_end.inc
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