+------------+--------------+------+-----+---------+----------------+
| Field      | Type         | Null | Key | Default | Extra          |
+------------+--------------+------+-----+---------+----------------+
| id         | int(11)      | NO   | PRI | NULL    | auto_increment |
| cat_metric | int(11)      | NO   |     | 0       |                |
| var_metric | int(11)      | NO   |     | 0       |                |
| commented  | int(11)      | NO   |     | 0       |                |
| filename   | varchar(128) | NO   | MUL | NULL    |                |
| category   | varchar(128) | NO   |     | default |                |
| var_name   | varchar(128) | NO   |     | NULL    |                |
| var_val    | varchar(128) | NO   |     | NULL    |                |
+------------+--------------+------+-----+---------+----------------+