connection node_2;
connection node_1;
connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1;
connect node_1b, 127.0.0.1, root, , test, $NODE_MYPORT_1;
connect node_1c, 127.0.0.1, root, , test, $NODE_MYPORT_1;
connection node_1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
connection node_1a;
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
connection node_1b;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
connection node_2;
SELECT * FROM t1;
f1	f2
1	x
2	x
4	x
5	x
connection node_1c;
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
connection node_2;
SELECT * FROM t1;
f1	f2
1	x
2	x
4	x
5	x
connection node_1a;
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
connection node_1b;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
connection node_1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
connection node_1;
SET DEBUG_SYNC = 'now SIGNAL continue';
connection node_1c;
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
connection node_1a;
COMMIT;
connection node_1b;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
connection node_1;
SELECT * FROM t1;
f1	f2
1	a
2	a
3	x
4	a
5	a
connection node_2;
SELECT * FROM t1;