connection node_2; connection node_1; CREATE TABLE t1 (c1 BIGINT NOT NULL PRIMARY KEY, c2 BINARY (10), c3 DATETIME); SELECT get_lock ('test2', 0); get_lock ('test2', 0) 1 DROP TABLE t1; CREATE TABLE t1 (c1 SMALLINT NOT NULL AUTO_INCREMENT PRIMARY KEY); INSERT INTO t1 VALUES (1); SET SESSION wsrep_trx_fragment_size=10; SET SESSION autocommit=0; SELECT * FROM t1 WHERE c1 <=0 ORDER BY c1 DESC; c1 INSERT INTO t1 VALUES (4),(3),(1),(2); ERROR 40001: Deadlock found when trying to get lock; try restarting transaction CREATE TABLE t1 (pk INT PRIMARY KEY, b INT) ENGINE=SEQUENCE; ERROR 42000: This version of MariaDB doesn't yet support 'non-InnoDB sequences in Galera cluster' ALTER TABLE t1 DROP COLUMN c2; ERROR 42000: Can't DROP COLUMN `c2`; check that it exists SELECT get_lock ('test', 1.5); get_lock ('test', 1.5) 1 DROP TABLE t1;