drop table if exists t1, t2, t3, t4; flush status; create table t1 (a int) engine=ndbcluster; create table t2 (a int) engine=ndbcluster; insert into t1 value (2); insert into t2 value (3); select * from t1; a 2 select * from t2; a 3 show status like 'handler_discover%'; Variable_name Value Handler_discover 0 select * from t1; a 2 drop table t1; create table t1 (a int) engine=ndbcluster; insert into t1 value (2); select * from t1; a 2 show status like 'handler_discover%'; Variable_name Value Handler_discover 0 drop table t1; create table t1 (a int) engine=ndbcluster; insert into t1 value (2); select * from t1; ERROR HY000: Got error 241 'Invalid schema object version' from ndbcluster flush table t1; select * from t1; a 2 flush status; select * from t1; a 2 update t1 set a=3 where a=2; show status like 'handler_discover%'; Variable_name Value Handler_discover 0 create table t3 (a int not null primary key, b varchar(22), c int, last_col text) engine=ndb; insert into t3 values(1, 'Hi!', 89, 'Longtext column'); create table t4 (pk int primary key, b int) engine=ndb; select * from t1; a 3 select * from t3; a b c last_col 1 Hi! 89 Longtext column show status like 'handler_discover%'; Variable_name Value Handler_discover 1 show tables like 't4'; Tables_in_test (t4) t4 show status like 'handler_discover%'; Variable_name Value Handler_discover 2 show tables; Tables_in_test t1 t2 t3 t4 drop table t1, t2, t3, t4; drop table t1, t3, t4;