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	b
hi	there
you	people
DROP 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	b
hi	there
you	people
DROP TABLE t;