DROP TABLE IF EXISTS t; SET SESSION TOKUDB_DISABLE_SLOW_ALTER=ON; CREATE TABLE t (a VARCHAR(1)) ENGINE=TokuDB; ALTER TABLE t CHANGE COLUMN a a VARBINARY(1); ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version ALTER TABLE t CHANGE COLUMN a a VARBINARY(100); ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version ALTER TABLE t CHANGE COLUMN a a VARBINARY(1000); ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version DROP TABLE t;