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    |       |