Extension:CodeReview/code rev table

mysql> describe code_rev;
+--------------+----------------+------+-----+----------------+-------+
| Field        | Type           | Null | Key | Default        | Extra |
+--------------+----------------+------+-----+----------------+-------+
| cr_repo_id   | int(11)        | NO   | PRI | NULL           |       |
| cr_id        | int(11)        | NO   | PRI | NULL           |       |
| cr_timestamp | binary(14)     | NO   |     |                |       |
| cr_author    | varbinary(255) | YES  |     | NULL           |       |
| cr_message   | blob           | YES  |     | NULL           |       |
| cr_status    | varbinary(25)  | NO   |     | new            |       |
| cr_path      | varbinary(255) | YES  |     | NULL           |       |
| cr_diff      | mediumblob     | YES  |     | NULL           |       |
| cr_flags     | tinyblob       | NO   |     | NULL           |       |
+--------------+----------------+------+-----+----------------+-------+