DROP TABLE IF EXISTS t1; CREATE TABLE t1 ( a INT NOT NULL PRIMARY KEY, b INT NOT NULL ) ENGINE=ndbcluster; BEGIN; INSERT INTO t1 VALUES (9410,9412); BEGIN; INSERT INTO t1 VALUES (9411,9412); BEGIN; INSERT INTO t1 VALUES (9412,9412); BEGIN; INSERT INTO t1 VALUES (9413,9412); BEGIN; INSERT INTO t1 VALUES (9414,9412); BEGIN; INSERT INTO t1 VALUES (9415,9412); ROLLBACK; ROLLBACK; ROLLBACK; ROLLBACK; ROLLBACK; ROLLBACK; drop table t1; CREATE TABLE t1 ( a INT NOT NULL PRIMARY KEY, b INT NOT NULL, c INT NOT NULL ) ENGINE=ndbcluster; select * from t1; ERROR HY000: Got error 241 'Invalid schema object version' from ndbcluster select * from t1; a b c select * from t1; a b c select * from t1; a b c select * from t1; a b c select * from t1; a b c drop table t1; DROP TABLE IF EXISTS truncate_test; CREATE TABLE truncate_test ( i INT PRIMARY KEY, a INT, b VARCHAR(11), UNIQUE KEY (a) ) ENGINE = NDB; INSERT INTO truncate_test VALUES (1, 1, 'test') ON DUPLICATE KEY UPDATE b = 'new'; INSERT INTO truncate_test VALUES (1, 1, 'test') ON DUPLICATE KEY UPDATE b = 'new'; TRUNCATE truncate_test; INSERT INTO truncate_test VALUES (1, 1, 'test') ON DUPLICATE KEY UPDATE b = 'new'; SELECT * FROM truncate_test; i a b 1 1 test INSERT INTO truncate_test VALUES (1, 1, 'test') ON DUPLICATE KEY UPDATE b = 'new'; SELECT * FROM truncate_test; i a b 1 1 new DROP TABLE truncate_test;