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################################################################################ # This test confirms that when STOP GR and select # performance_schema.replication_connection_status query is executed # concurrently, no deadlock happens. # # Test: # 0. The test requires one server. # 1. Block Stop Group Replication # 2. Wait for debug sync to be reached and then execute select query # 3. SIGNAL STOP GR to resume processing # 4. Confirm Group Replication is stopped # 5. Cleanup # ################################################################################ --source include/have_debug.inc --source include/have_debug_sync.inc --source ../inc/have_group_replication_plugin.inc --source ../inc/group_replication.inc --echo --echo # 1. Block Stop Group Replication --echo SET @debug_save= @@GLOBAL.DEBUG; SET @@GLOBAL.DEBUG= '+d,group_replication_wait_on_stop'; --send STOP GROUP_REPLICATION --echo --echo # 2. Wait for debug sync to be reached and then execute select query --echo --let $rpl_connection_name= server_1 --source include/rpl_connection.inc SET DEBUG_SYNC= "now WAIT_FOR signal.stop_waiting"; SELECT COUNT(*) FROM performance_schema.replication_connection_status; --echo --echo # 3. SIGNAL STOP GR to resume processing --echo SET DEBUG_SYNC= 'now SIGNAL signal.stop_continue'; --let $rpl_connection_name= server1 --source include/rpl_connection.inc --reap --echo --echo # 4. Confirm Group Replication is stopped --echo --let $group_replication_member_state= OFFLINE --source ../inc/gr_wait_for_member_state.inc --echo --echo # 5. Cleanup --echo SET @@GLOBAL.DEBUG= @debug_save; --source ../inc/group_replication_end.inc