Extension:CreditsSource/swauthor links table

mysql> describe swauthor_links;
+----------------+------------------+------+-----+---------+-------+
| Field          | Type             | Null | Key | Default | Extra |
+----------------+------------------+------+-----+---------+-------+
| swal_srcworkid | int(10) unsigned | NO   | PRI | NULL    |       |
| swal_authorid  | int(10) unsigned | NO   | PRI | NULL    |       |
+----------------+------------------+------+-----+---------+-------+