mariadb/mysql-test/suite/galera/t/galera_var_retry_autocommit.test

#
# Test that the wsrep_retry_autocommit variable is respected. We use an INSERT that
# proceeds very slowly due to extra SLEEP() in a trigger
#

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

--connection node_1
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=InnoDB;
CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW SET NEW.f2 = SLEEP(5);

#
# With wsrep_retry_autocommit = 0, error is certain
#

--connection node_1
SET SESSION wsrep_retry_autocommit = 0;
--send INSERT INTO t1 (f1) VALUES (1),(2);

--connection node_2
--sleep 1
TRUNCATE TABLE t1;

--connection node_1
--error ER_LOCK_DEADLOCK
--reap

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

--connection node_1
SET SESSION wsrep_retry_autocommit = 1;
--send INSERT INTO t1 (f1) VALUES (3),(4);

--connection node_2
--sleep 1
TRUNCATE TABLE t1;

--connection node_1
--error 0
--reap
SELECT * FROM test.t1;

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

--connection node_2
DELIMITER |;
CREATE PROCEDURE repeated_truncate ()
BEGIN
	DECLARE i INT;
	DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;

	SET i = 0;
        WHILE i <= 1000 DO
		TRUNCATE TABLE t1;
		SET i = i + 1;
        END WHILE;
END|
DELIMITER ;|

# Begin streaming TRUNCATEs
--let $truncate_connection_id = `SELECT CONNECTION_ID()`
--send CALL repeated_truncate()

--connection node_1
SET SESSION wsrep_retry_autocommit = 1;
--sleep 1
--error ER_LOCK_DEADLOCK
INSERT INTO t1 (f1) VALUES (5),(6);

#
# With wsrep_retry_autocommit = 1024, success against multiple TRUNCATEs
#

--connection node_1
SET SESSION wsrep_retry_autocommit = 1024;
--send INSERT INTO t1 (f1) VALUES (7),(8);

--sleep 6

# Once he stream of TRUNCATEs is complete
--connection node_2
--reap

# the INSERT will eventually be sucessfull
--connection node_1
--error 0
--reap

--let $diff_servers = 1 2
--source include/diff_servers.inc

DROP TABLE t1;
DROP PROCEDURE repeated_truncate;