Outer join necessary in merge_repositories

repodepo/extras/exports.py

@@ -1225,7 +1225,7 @@ def merge_repos(self):
             FROM repositories r
             INNER JOIN sources s
             ON s.id=r.source
-            INNER JOIN urls u
+            LEFT OUTER JOIN urls u
             ON r.url_id=u.id
             ;
             """