1DROP TABLE IF EXISTS t; 2SET SESSION TOKUDB_DISABLE_SLOW_ALTER=ON; 3SET SESSION DEFAULT_STORAGE_ENGINE='TokuDB'; 4CREATE TABLE t (a VARCHAR(100), b VARCHAR(256)); 5ALTER TABLE t CHANGE COLUMN a aa VARCHAR(1); 6ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version 7ALTER TABLE t CHANGE COLUMN a aa VARCHAR(256); 8ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version 9ALTER TABLE t CHANGE COLUMN a aa VARCHAR(100); 10ALTER TABLE t CHANGE COLUMN b bb VARCHAR(255); 11ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version 12ALTER TABLE t CHANGE COLUMN b bb VARCHAR(1024); 13ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version 14ALTER TABLE t CHANGE COLUMN b bb VARCHAR(256); 15DROP TABLE t; 16