diff options
Diffstat (limited to 'mysql-test/suite/galera/t/MW-292.test')
| -rw-r--r-- | mysql-test/suite/galera/t/MW-292.test | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/mysql-test/suite/galera/t/MW-292.test b/mysql-test/suite/galera/t/MW-292.test new file mode 100644 index 00000000..9580d53d --- /dev/null +++ b/mysql-test/suite/galera/t/MW-292.test @@ -0,0 +1,93 @@ +# +# MW-292 Reset timestamp after transaction replay +# +# We force transaction replay to happen and then we check that NOW() is not stuck in time. +# As a bonus we also check that RAND() continues to return random values after replay +# +# + +--source include/galera_cluster.inc +--source include/have_innodb.inc +--source include/have_debug_sync.inc +--source include/galera_have_debug_sync.inc + +--let $wsrep_local_replays_old = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_replays'` + +CREATE TABLE rand_table (f1 FLOAT); +CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 CHAR(1)); +INSERT INTO t1 VALUES (1, 'a'); +INSERT INTO t1 VALUES (2, 'a'); + +--connection node_1 +SET AUTOCOMMIT=ON; +START TRANSACTION; + +UPDATE t1 SET f2 = 'b' WHERE f1 = 1; +SELECT * FROM t1 WHERE f1 = 2 FOR UPDATE; + +# Block the applier on node #1 and issue a conflicting update on node #2 +--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1 +SET SESSION wsrep_sync_wait=0; +--let $galera_sync_point = apply_monitor_slave_enter_sync +--source include/galera_set_sync_point.inc + +--connection node_2 +UPDATE t1 SET f2 = 'c' WHERE f1 = 2; + +--connection node_1a +--source include/galera_wait_sync_point.inc +--source include/galera_clear_sync_point.inc + +# Block the commit, send the COMMIT and wait until it gets blocked + +--let $galera_sync_point = commit_monitor_master_enter_sync +--source include/galera_set_sync_point.inc + +--connection node_1 +--send COMMIT + +--connection node_1a + +--let $galera_sync_point = apply_monitor_slave_enter_sync commit_monitor_master_enter_sync +--source include/galera_wait_sync_point.inc +--source include/galera_clear_sync_point.inc + +# Let the conflicting UPDATE proceed and wait until it hits abort_trx_end. +# The victim transaction still sits in commit_monitor_master_sync_point. + +--let $galera_sync_point = abort_trx_end +--source include/galera_set_sync_point.inc +--let $galera_sync_point = apply_monitor_slave_enter_sync +--source include/galera_signal_sync_point.inc +--let $galera_sync_point = abort_trx_end commit_monitor_master_enter_sync +--source include/galera_wait_sync_point.inc + +# Let the transactions proceed +--source include/galera_clear_sync_point.inc +--let $galera_sync_point = abort_trx_end +--source include/galera_signal_sync_point.inc +--let $galera_sync_point = commit_monitor_master_enter_sync +--source include/galera_signal_sync_point.inc + +# Commit succeeds +--connection node_1 +--reap + +# Confirm that NOW() is not stuck in time relative to SYSDATE(); +--sleep 3 +SELECT TIMEDIFF(SYSDATE(), NOW()) < 2; + +INSERT INTO rand_table VALUES (RAND()),(RAND()),(RAND()),(RAND()),(RAND()); +INSERT INTO rand_table VALUES (RAND()),(RAND()),(RAND()),(RAND()),(RAND()); + +SELECT COUNT(DISTINCT f1) = 10 FROM rand_table; + +# wsrep_local_replays has increased by 1 +--let $wsrep_local_replays_new = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_replays'` +--disable_query_log +--eval SELECT $wsrep_local_replays_new - $wsrep_local_replays_old = 1 AS wsrep_local_replays; +--enable_query_log + +--connection node_2 +DROP TABLE t1; +DROP TABLE rand_table; |