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261 lines
6.8 KiB
Plaintext
261 lines
6.8 KiB
Plaintext
#
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# This test tests the operation of SR transaction replay. If a
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# potentially conflicting remote transaction arrives at
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# just the right time during the commit of a local transaction,
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# the local transaction will be aborted and replayed.
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#
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# This test is divided in two sections:
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# 1) Test the scenario where the last fragment does not have write set
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# payload, just commit flag is replicated
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# 2) Test the scenario where the last fragment has write set payload
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# and commit flag
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--source include/galera_cluster.inc
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--source include/have_innodb.inc
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--source include/have_debug_sync.inc
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--source include/galera_have_debug_sync.inc
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# Control connection for manipulating galera sync points
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--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
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SET SESSION wsrep_sync_wait = 0;
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--connection node_1
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--let $wsrep_local_replays_old = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_replays'`
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CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 CHAR(1));
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#########################################################################
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#
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# 1) Replay without commit fragment write set payload
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#
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#########################################################################
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INSERT INTO t1 VALUES (1, 'a');
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INSERT INTO t1 VALUES (2, 'a');
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--connection node_1
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SET AUTOCOMMIT=ON;
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SET SESSION wsrep_trx_fragment_size = 1;
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START TRANSACTION;
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UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
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SELECT * FROM t1 WHERE f1 = 2 FOR UPDATE;
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#
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# Block the commit from node_2
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#
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--connection node_1a
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--let $galera_sync_point = apply_monitor_slave_enter_sync
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--source include/galera_set_sync_point.inc
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#
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# Issue conflicting UPDATE from node_2 and wait until it hits the
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# apply monitor (but does not apply yet)
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#
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--connection node_2
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UPDATE t1 SET f2 = 'c' WHERE f1 = 2;
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--connection node_1a
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--let $galera_sync_point = apply_monitor_slave_enter_sync
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--source include/galera_wait_sync_point.inc
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#
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# Set a new sync point to block in local monitor on node_1 commit
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#
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--source include/galera_clear_sync_point.inc
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--let $galera_sync_point = local_monitor_master_enter_sync
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--source include/galera_set_sync_point.inc
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#
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# Send the commit on node_1
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#
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--connection node_1
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--send COMMIT
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#
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# Wait until commit reaches sync point
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#
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--connection node_1a
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SET SESSION wsrep_sync_wait = 0;
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--let $galera_sync_point = apply_monitor_slave_enter_sync local_monitor_master_enter_sync
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--source include/galera_wait_sync_point.inc
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#
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# Release conflicting slave transaction and wait until it has BF
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# aborted pending COMMIT
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#
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--source include/galera_clear_sync_point.inc
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--let $galera_sync_point = abort_trx_end
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--source include/galera_set_sync_point.inc
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--let $galera_sync_point = apply_monitor_slave_enter_sync
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--source include/galera_signal_sync_point.inc
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--let $galera_sync_point = abort_trx_end local_monitor_master_enter_sync
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--source include/galera_wait_sync_point.inc
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#
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# Release both threads, local thread will now replay
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#
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--source include/galera_clear_sync_point.inc
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--let $galera_sync_point = abort_trx_end
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--source include/galera_signal_sync_point.inc
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--let $galera_sync_point = local_monitor_master_enter_sync
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--source include/galera_signal_sync_point.inc
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#
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# Commit must succeed
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#
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--connection node_1
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--reap
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#
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# Check the outcome and that wsrep schema SR table is empty
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#
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SELECT COUNT(*) = 1 FROM t1 WHERE f2 = 'b';
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SELECT COUNT(*) = 1 FROM t1 WHERE f2 = 'c';
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SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
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#
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# wsrep_local_replays has increased by 1
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#
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--let $wsrep_local_replays_new = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_replays'`
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--disable_query_log
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--eval SELECT $wsrep_local_replays_new - $wsrep_local_replays_old = 1 AS wsrep_local_replays;
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--enable_query_log
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--connection node_2
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SELECT COUNT(*) = 1 FROM t1 WHERE f2 = 'b';
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SELECT COUNT(*) = 1 FROM t1 WHERE f2 = 'c';
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SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
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DELETE FROM t1;
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#########################################################################
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#
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# 2) Replay with commit fragment write set payload
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#
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#########################################################################
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INSERT INTO t1 VALUES (1, 'a');
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INSERT INTO t1 VALUES (2, 'a');
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--connection node_1
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SET AUTOCOMMIT=ON;
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SET SESSION wsrep_trx_fragment_size = 1;
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START TRANSACTION;
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#
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# Do first update SR on
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#
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UPDATE t1 SET f2 = 'x' WHERE f1 = 1;
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#
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# Disable SR for following statements
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#
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SET SESSION wsrep_trx_fragment_size = 0;
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UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
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SELECT * FROM t1 WHERE f1 = 2 FOR UPDATE;
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#
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# Block the commit from node_2
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#
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--connection node_1a
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--let $galera_sync_point = apply_monitor_slave_enter_sync
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--source include/galera_set_sync_point.inc
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#
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# Issue conflicting UPDATE from node_2 and wait until it hits the
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# apply monitor (but does not apply yet)
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#
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--connection node_2
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UPDATE t1 SET f2 = 'c' WHERE f1 = 2;
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--connection node_1a
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--let $galera_sync_point = apply_monitor_slave_enter_sync
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--source include/galera_wait_sync_point.inc
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#
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# Set a new sync point to block in local monitor on node_1 commit
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#
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--source include/galera_clear_sync_point.inc
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--let $galera_sync_point = local_monitor_master_enter_sync
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--source include/galera_set_sync_point.inc
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#
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# Send the commit on node_1
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#
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--connection node_1
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--send COMMIT
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#
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# Wait until commit reaches sync point
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#
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--connection node_1a
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SET SESSION wsrep_sync_wait = 0;
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--let $galera_sync_point = apply_monitor_slave_enter_sync local_monitor_master_enter_sync
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--source include/galera_wait_sync_point.inc
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#
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# Release conflicting slave transaction and wait until it has BF
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# aborted pending COMMIT
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#
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--source include/galera_clear_sync_point.inc
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--let $galera_sync_point = abort_trx_end
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--source include/galera_set_sync_point.inc
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--let $galera_sync_point = apply_monitor_slave_enter_sync
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--source include/galera_signal_sync_point.inc
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--let $galera_sync_point = abort_trx_end local_monitor_master_enter_sync
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--source include/galera_wait_sync_point.inc
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#
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# Release both threads, local thread will now replay
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#
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--source include/galera_clear_sync_point.inc
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--let $galera_sync_point = abort_trx_end
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--source include/galera_signal_sync_point.inc
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--let $galera_sync_point = local_monitor_master_enter_sync
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--source include/galera_signal_sync_point.inc
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#
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# Commit must succeed
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#
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--connection node_1
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--reap
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#
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# Check the outcome and that wsrep schema SR table is empty
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#
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SELECT COUNT(*) = 1 FROM t1 WHERE f2 = 'b';
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SELECT COUNT(*) = 1 FROM t1 WHERE f2 = 'c';
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SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
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#
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# wsrep_local_replays has increased by 1
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#
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--let $wsrep_local_replays_new = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_replays'`
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--disable_query_log
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--eval SELECT $wsrep_local_replays_new - $wsrep_local_replays_old = 2 AS wsrep_local_replays;
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--enable_query_log
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--connection node_2
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SELECT COUNT(*) = 1 FROM t1 WHERE f2 = 'b';
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SELECT COUNT(*) = 1 FROM t1 WHERE f2 = 'c';
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SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
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DELETE FROM t1;
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DROP TABLE t1;
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