drop table if exists t;
set default_storage_engine='tokudb';
set tokudb_disable_slow_alter=1;
create table t (a char(1));
alter table t change column a aa char(1);
alter table t change column aa a3 char(1) not null;
ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version
drop table t;
