Extension:CodeReview/code paths table

mysql> describe code_paths;
+------------+----------------+------+-----+---------+-------+
| Field      | Type           | Null | Key | Default | Extra |
+------------+----------------+------+-----+---------+-------+
| cp_repo_id | int(11)        | NO   | PRI | NULL    |       |
| cp_rev_id  | int(11)        | NO   | PRI | NULL    |       |
| cp_path    | varbinary(255) | NO   | PRI | NULL    |       |
| cp_action  | binary(1)      | NO   |     | NULL    |       |
+------------+----------------+------+-----+---------+-------+