DROP TABLE IF EXISTS t, ti; SET SESSION TOKUDB_DISABLE_SLOW_ALTER=1; SET SESSION DEFAULT_STORAGE_ENGINE='TokuDB'; CREATE TABLE t (a INT, b INT, c INT, KEY(b), id INT PRIMARY KEY); INSERT INTO t VALUES (1,2,3,1),(4,5,6,2),(7,8,9,3); CREATE TABLE ti LIKE t; ALTER TABLE ti ENGINE=myisam; INSERT INTO ti SELECT * FROM t; ALTER TABLE t CHANGE COLUMN a a BIGINT; ALTER TABLE ti CHANGE COLUMN a a BIGINT; SELECT b FROM t; b 2 5 8 SELECT b FROM ti; b 2 5 8 INSERT INTO t VALUES (10,11,12,4); INSERT INTO ti VALUES (10,11,12,4); SELECT b FROM t; b 2 5 8 11 SELECT b FROM ti; b 2 5 8 11 include/diff_tables.inc [test.t, test.ti] DROP TABLE t, ti;