DROP TABLE IF EXISTS t;SET SESSION TOKUDB_DISABLE_SLOW_ALTER=ON;CREATE TABLE t (a VARBINARY(100), b VARBINARY(256)) ENGINE=TokuDB;INSERT INTO t VALUES ('hi','there'),('you','people');ALTER TABLE t CHANGE COLUMN a a VARBINARY(256);SELECT * FROM t;a bhi thereyou peopleDROP TABLE t;CREATE TABLE t (a VARBINARY(100), b VARBINARY(256)) ENGINE=TokuDB;INSERT INTO t VALUES ('hi','there'),('you','people');ALTER TABLE t CHANGE COLUMN a a VARBINARY(256);SELECT * FROM t;a bhi thereyou peopleDROP TABLE t;