1DROP TABLE IF EXISTS t; 2SET SESSION TOKUDB_DISABLE_SLOW_ALTER=ON; 3SET SESSION DEFAULT_STORAGE_ENGINE='TokuDB'; 4CREATE TABLE t (a CHAR(100), b CHAR(200), KEY(a), KEY(b)); 5ALTER TABLE t CHANGE COLUMN a a CHAR(100); 6ALTER TABLE t CHANGE COLUMN a a CHAR(1); 7ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version 8ALTER TABLE t CHANGE COLUMN a a CHAR(255); 9ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version 10ALTER TABLE t CHANGE COLUMN b b CHAR(200); 11ALTER TABLE t CHANGE COLUMN b b CHAR(1); 12ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version 13ALTER TABLE t CHANGE COLUMN b b CHAR(255); 14ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version 15DROP TABLE t; 16CREATE TABLE t (a CHAR(1), b CHAR(2), KEY(a,b)); 17ALTER TABLE t CHANGE COLUMN a a CHAR(3); 18ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version 19ALTER TABLE t CHANGE COLUMN b b CHAR(3); 20ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version 21DROP TABLE t; 22