EVOLUTION-MANAGER

Edit File: galera_var_retry_autocommit.test

#
# Test that the wsrep_retry_autocommit variable is respected.
#

--source include/galera_cluster.inc
--source include/have_innodb.inc
--source include/have_debug_sync.inc

--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1

#
# With wsrep_retry_autocommit = 0, error is certain
#

--connection node_1
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;

SET SESSION wsrep_retry_autocommit = 0;
SET DEBUG_SYNC = 'wsrep_before_replication SIGNAL before_rep WAIT_FOR continue';
--send INSERT INTO t1 (f1) VALUES (2)

--connection node_1a
SET DEBUG_SYNC = 'now WAIT_FOR before_rep';

--connection node_2
TRUNCATE TABLE t1;

--connection node_1
--error ER_LOCK_DEADLOCK
--reap
SELECT COUNT(*) = 0 FROM t1;

SET DEBUG_SYNC = 'RESET';
DROP TABLE t1;

#
# With wsrep_retry_autocommit = 1, success against one TRUNCATE
#

--connection node_1
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;

SET SESSION wsrep_retry_autocommit = 1;
SET DEBUG_SYNC = 'wsrep_before_replication SIGNAL before_rep WAIT_FOR continue';
--send INSERT INTO t1 (f1) VALUES (2)

--connection node_1a
SET DEBUG_SYNC = 'now WAIT_FOR before_rep';

--connection node_2
TRUNCATE TABLE t1;

--connection node_1
--reap
SELECT COUNT(*) = 1 FROM t1;

SET DEBUG_SYNC = 'RESET';
DROP TABLE t1;

#
# With wsrep_retry_autcommit = 1, failure against multiple TRUNCATEs
#

--connection node_1
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;

SET SESSION wsrep_retry_autocommit = 1;
SET GLOBAL debug_dbug = '+d,sync.wsrep_retry_autocommit';
SET DEBUG_SYNC = 'wsrep_before_replication SIGNAL before_rep WAIT_FOR continue EXECUTE 2';

--send INSERT INTO t1 VALUES (2);

--connection node_1a
SET DEBUG_SYNC = 'now WAIT_FOR before_rep';

--connection node_2
TRUNCATE TABLE t1;

--connection node_1a
SET DEBUG_SYNC = 'now WAIT_FOR wsrep_retry_autocommit_reached';
SELECT COUNT(*) = 0 FROM t1;
SET DEBUG_SYNC = 'now SIGNAL wsrep_retry_autocommit_continue WAIT_FOR before_rep';

--connection node_2
TRUNCATE TABLE t1;

--connection node_1a
SELECT COUNT(*) = 0 FROM t1;

--connection node_1
--error ER_LOCK_DEADLOCK
--reap

SET DEBUG_SYNC = 'RESET';
SET GLOBAL debug_dbug = NULL;
DROP TABLE t1;

#
# With wsrep_retry_autocommit = 64, success against 64 TRUNCATEs
#

--connection node_1
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;

SET SESSION wsrep_retry_autocommit = 64;
SET GLOBAL debug_dbug = '+d,sync.wsrep_retry_autocommit';
SET DEBUG_SYNC = 'wsrep_before_replication SIGNAL before_rep WAIT_FOR continue EXECUTE 64';

--send INSERT INTO t1 VALUES (2)

--disable_query_log
--disable_result_log
--let $count = 64
while ($count)
{
  --connection node_1a
  SET DEBUG_SYNC = 'now WAIT_FOR before_rep';

--connection node_2
  TRUNCATE TABLE t1;

--connection node_1a
  SET DEBUG_SYNC = 'now WAIT_FOR wsrep_retry_autocommit_reached';
  SELECT COUNT(*) = 1 FROM t1;
  SET DEBUG_SYNC = 'now SIGNAL wsrep_retry_autocommit_continue';

--dec $count
}
--enable_result_log
--enable_query_log

--connection node_1
--reap
SELECT COUNT(*) = 1 FROM t1;

SET DEBUG_SYNC = 'RESET';
SET GLOBAL debug_dbug = NULL;
DROP TABLE t1;