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dbfe5f4774
Add a test case for killing a waiting query in parallel replication. Fix several bugs found: - We should not wakeup_subsequent_commits() in ha_rollback_trans(), since we do not know the right wakeup_error() to give. - When a wait_for_prior_commit() is killed, we must unregister from the waitee so we do not race and get an extra (non-kill) wakeup. - We need to deal with error propagation correctly in queue_for_group_commit when one thread is killed. - Fix one locking issue in queue_for_group_commit(), we could unlock the waitee lock too early and this end up processing wakeup() with insufficient locking. - Fix Xid_log_event::do_apply_event; if commit fails it must not update the in-memory @@gtid_slave_pos state. - Fix and cleanup some things in the rpl_parallel.cc error handling. - Add a missing check for killed in the slave sql driver thread, to avoid a race.
How to run. =========== ./mysql-test-run.pl --suite=rpl --mysqld=--binlog-format=mixed