1DROP TABLE IF EXISTS t, ti; 2SET SESSION TOKUDB_DISABLE_SLOW_ALTER=1; 3SET SESSION DEFAULT_STORAGE_ENGINE='TokuDB'; 4CREATE TABLE t (a CHAR(4), b CHAR(4), c CHAR(4), KEY(b), id INT PRIMARY KEY); 5INSERT INTO t VALUES ('a','b','c',1),('d','e','f',2),('g','h','i',3); 6CREATE TABLE ti LIKE t; 7ALTER TABLE ti ENGINE=myisam; 8INSERT INTO ti SELECT * FROM t; 9ALTER TABLE t CHANGE COLUMN a a CHAR(255); 10ALTER TABLE ti CHANGE COLUMN a a CHAR(255); 11SELECT b FROM t; 12b 13b 14e 15h 16SELECT b FROM ti; 17b 18b 19e 20h 21INSERT INTO t VALUES ('j','k','l',4); 22INSERT INTO ti VALUES ('j','k','l',4); 23SELECT b FROM t; 24b 25b 26e 27h 28k 29SELECT b FROM ti; 30b 31b 32e 33h 34k 35include/diff_tables.inc [test.t, test.ti] 36DROP TABLE t, ti; 37