SET STORAGE_ENGINE = 'tokudb';
DROP TABLE IF EXISTS foo,bar;
create table foo (a int, b int, key(b,a), primary key (a))engine=TokuDB;
create table bar (a bigint)engine=TokuDB;
alter table foo drop index b;
alter table bar add index (a);
show create table foo;
Table	Create Table
foo	CREATE TABLE `foo` (
  `a` int(11) NOT NULL DEFAULT '0',
  `b` int(11) DEFAULT NULL,
  PRIMARY KEY (`a`)
) ENGINE=TOKUDB DEFAULT CHARSET=latin1
show create table bar;
Table	Create Table
bar	CREATE TABLE `bar` (
  `a` bigint(20) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=TOKUDB DEFAULT CHARSET=latin1
DROP TABLE foo,bar;