--- type_float_indexes.result 2013-01-22 22:05:05.246633000 +0400 +++ type_float_indexes.reject 2013-01-23 02:51:13.059333973 +0400 @@ -60,7 +60,7 @@ ALTER TABLE t1 ADD UNIQUE KEY(d); EXPLAIN SELECT d FROM t1 WHERE r > 0 and d > 0 ORDER BY d; id select_type table type possible_keys key key_len ref rows Extra -# # # # # d # # # # +# # # # # NULL # # # # SELECT d FROM t1 WHERE r > 0 and d > 0 ORDER BY d; d 1.2345