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-rw-r--r--mysql-test/suite/galera/t/MDEV-20793.test26
1 files changed, 25 insertions, 1 deletions
diff --git a/mysql-test/suite/galera/t/MDEV-20793.test b/mysql-test/suite/galera/t/MDEV-20793.test
index 13ff3cbe77b..6835a73a2a4 100644
--- a/mysql-test/suite/galera/t/MDEV-20793.test
+++ b/mysql-test/suite/galera/t/MDEV-20793.test
@@ -30,9 +30,9 @@ SET GLOBAL wsrep_slave_threads = 2;
SET SESSION wsrep_retry_autocommit = 0;
START TRANSACTION;
UPDATE t1 SET f2 = 1;
-SET SESSION debug_sync = "wsrep_before_replay SIGNAL reached WAIT_FOR continue";
--connection node_1_ctrl
+# set sync point for incoming applier
--let $galera_sync_point = apply_monitor_slave_enter_sync
--source include/galera_set_sync_point.inc
@@ -42,8 +42,11 @@ SET SESSION debug_sync = "wsrep_before_replay SIGNAL reached WAIT_FOR continue";
INSERT INTO t1 VALUES (2, 2);
--connection node_1_ctrl
+# wait to see the INSERT from node_2 reaching applier sync point
--source include/galera_wait_sync_point.inc
--source include/galera_clear_sync_point.inc
+
+# set sync point to catch other write set applying from node_2
--let $galera_sync_point = local_monitor_slave_enter_sync
--source include/galera_set_sync_point.inc
@@ -52,17 +55,38 @@ INSERT INTO t1 VALUES (2, 2);
UPDATE t1 SET f2 = 2 WHERE f1 = 5;
--connection node_1_ctrl
+# wait until both appliers are stopped in sync points
--let $galera_sync_point = apply_monitor_slave_enter_sync local_monitor_slave_enter_sync
--source include/galera_wait_sync_point.inc
+--source include/galera_clear_sync_point.inc
+
+# set sync point for catching node_1 transaction just before committing
+--let $galera_sync_point = after_replicate_sync
+--source include/galera_set_sync_point.inc
--connection node_1
+# set sync point, which will stop execution after COMMIT has been BF aborted
+# and send the COMMIT, it should stop in commit_monitor_master_enter_sync point
+SET SESSION debug_sync = "wsrep_before_replay SIGNAL reached WAIT_FOR continue";
--send COMMIT
--connection node_1_ctrl
+# wait until both appliers and local COMMIT are idle in their sync points
+--let $galera_sync_point = after_replicate_sync apply_monitor_slave_enter_sync local_monitor_slave_enter_sync
+--source include/galera_wait_sync_point.inc
+
+# release local COMMIT processing, it will continue and pause first before certification,
+--let $galera_sync_point = after_replicate_sync
+--source include/galera_signal_sync_point.inc
+
+# release first applier (INSERT), it should BF abort the local COMMIT processing
--let $galera_sync_point = apply_monitor_slave_enter_sync
--source include/galera_signal_sync_point.inc
+
+# wait to see that COMMIT was BF aborted and has reached replaying state
SET SESSION debug_sync = "now WAIT_FOR reached";
+# release the latter applier, with real lock conflict
--let $galera_sync_point = local_monitor_slave_enter_sync
--source include/galera_signal_sync_point.inc
--source include/galera_clear_sync_point.inc