create table t1 (a int, b int, c text, key (a) clustering=yes, key (b)) engine=tokudb; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL, `c` text DEFAULT NULL, KEY `a` (`a`) `clustering`=yes, KEY `b` (`b`) ) ENGINE=TokuDB DEFAULT CHARSET=latin1 insert t1 values (1, 1, 1); insert t1 select a+1, a+1, a+1 from t1; insert t1 select a+2, a+2, a+2 from t1; insert t1 select a+4, a+4, a+4 from t1; insert t1 select a+8, a+8, a+8 from t1; select * from t1; a b c 1 1 1 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 7 7 8 8 8 9 9 9 10 10 10 11 11 11 12 12 12 13 13 13 14 14 14 15 15 15 16 16 16 explain select a,c from t1 where a > 4; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index a a 5 NULL 16 Using where; Using index explain select b,c from t1 where b > 4; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL b NULL NULL NULL 16 Using where drop table t1;