1source include/have_tokudb.inc; 2--disable_warnings 3DROP TABLE IF EXISTS t; 4--enable_warnings 5 6SET SESSION TOKUDB_DISABLE_SLOW_ALTER=ON; 7 8CREATE TABLE t (a VARBINARY(100), b VARBINARY(256)) ENGINE=TokuDB; 9INSERT INTO t VALUES ('hi','there'),('you','people'); 10# expand varbinary 11ALTER TABLE t CHANGE COLUMN a a VARBINARY(256); 12SELECT * FROM t; 13DROP TABLE t; 14 15CREATE TABLE t (a VARBINARY(100), b VARBINARY(256)) ENGINE=TokuDB; 16INSERT INTO t VALUES ('hi','there'),('you','people'); 17# expand varbinary and rename column 18ALTER TABLE t CHANGE COLUMN a a VARBINARY(256); 19SELECT * FROM t; 20DROP TABLE t;