Extension:CreditsSource/swsource links table

mysql> describe swsource_links;
+---------------+------------------+------+-----+---------+-------+
| Field         | Type             | Null | Key | Default | Extra |
+---------------+------------------+------+-----+---------+-------+
| swsl_workid   | int(10) unsigned | NO   | PRI | NULL    |       |
| swsl_sourceid | int(10) unsigned | NO   | PRI | NULL    |       |
| swsl_comment  | varbinary(255)   | NO   |     |         |       |
+---------------+------------------+------+-----+---------+-------+