1DROP TABLE IF EXISTS t;
2SET SESSION TOKUDB_DISABLE_SLOW_ALTER=ON;
3SET SESSION DEFAULT_STORAGE_ENGINE='TokuDB';
4CREATE TABLE t (a VARCHAR(32), b VARCHAR(32), KEY(a(2)));
5SHOW CREATE TABLE t;
6Table	Create Table
7t	CREATE TABLE `t` (
8  `a` varchar(32) DEFAULT NULL,
9  `b` varchar(32) DEFAULT NULL,
10  KEY `a` (`a`(2))
11) ENGINE=TokuDB DEFAULT CHARSET=latin1
12ALTER TABLE t CHANGE COLUMN a a VARCHAR(100);
13ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version
14ALTER TABLE t CHANGE COLUMN a a VARCHAR(256);
15ERROR 42000: Table 't' uses an extension that doesn't exist in this XYZ version
16DROP TABLE t;
17