+----+--------------+------------+--------+---------------------------------------+--------------------+---------+------------------------+------+-------------+
| id | select_type  | table      | type   | possible_keys                         | key                | key_len | ref                    | rows | Extra       |
+----+--------------+------------+--------+---------------------------------------+--------------------+---------+------------------------+------+-------------+
|  1 | PRIMARY      | Listings   | range  | DateTime+StationID,StationID+DateTime | StationID+DateTime | 12      | NULL                   |  445 | Using where |
|  1 | PRIMARY      | Shows      | eq_ref | PRIMARY                               | PRIMARY            | 4       | tvdata.Listings.ShowID |    1 |             |
|  2 | UNION        | Listings   | range  | DateTime+StationID,StationID+DateTime | StationID+DateTime | 12      | NULL                   |  353 | Using where |
|  2 | UNION        | Shows      | eq_ref | PRIMARY                               | PRIMARY            | 4       | tvdata.Listings.ShowID |    1 |             |
|    | UNION RESULT | <union1,2> | ALL    | NULL                                  | NULL               | NULL    | NULL                   | NULL |             |
+----+--------------+------------+--------+---------------------------------------+--------------------+---------+------------------------+------+-------------+