SET DEFAULT_STORAGE_ENGINE = 'tokudb'; DROP TABLE IF EXISTS foo; set session tokudb_prelock_empty=off; create table foo (a int, b bigint, primary key (a))engine=TokuDB; insert into foo values (1,10),(2,20); select * from foo; a b 1 10 2 20 alter table foo add index (b) clustering=yes; insert into foo values (3,30); select * from foo where b >=10; a b 1 10 2 20 3 30 drop table foo; create table foo (a int, b bigint)engine=TokuDB; insert into foo values (1,10),(2,20); select * from foo; a b 1 10 2 20 alter table foo add index (b) clustering=yes; insert into foo values (3,30); select * from foo where b >=10; a b 1 10 2 20 3 30 drop table foo; create table foo (a int, b longblob, key (a) clustering=yes); insert into foo values (1,"aa"); insert into foo values (2,repeat('b', 100000)); insert into foo values (3,"bbb"); DROP TABLE foo;