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connection node_2; connection node_1; connection node_1; CREATE TABLE parent (id INT AUTO_INCREMENT PRIMARY KEY, v INT) ENGINE=InnoDB; INSERT INTO parent VALUES (1, 1),(2, 2),(3, 3); CREATE TABLE child (id INT AUTO_INCREMENT PRIMARY KEY, parent_id INT, CONSTRAINT parent_fk FOREIGN KEY (parent_id) REFERENCES parent (id)) ENGINE=InnoDB; connection node_2; SET SESSION wsrep_trx_fragment_size = 1; START TRANSACTION; INSERT INTO child (parent_id) VALUES (1),(2),(3); connection node_1; SET SESSION wsrep_sync_wait = 15; SELECT COUNT(*) FROM child; COUNT(*) 0 ALTER TABLE parent AUTO_INCREMENT = 100; connection node_2; COMMIT; ERROR 40001: Deadlock found when trying to get lock; try restarting transaction DROP TABLE child, parent; disconnect node_2; disconnect node_1;