connection node_2;
connection node_1;
connection node_1;
TRUNCATE TABLE mysql.general_log;
connection node_2;
connection node_1;
SET SESSION wsrep_osu_method=TOI;
CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
SET SESSION wsrep_osu_method=RSU;
ALTER TABLE t1 ADD COLUMN f2 INTEGER;
SET SESSION wsrep_osu_method=TOI;
connection node_2;
DROP TABLE t1;