diff --git a/sql/trunk/08-pk-attr_min.sqk b/sql/trunk/08-pk-attr_min.sqk
new file mode 100644
index 000000000..12396353a
--- /dev/null
+++ b/sql/trunk/08-pk-attr_min.sqk
@@ -0,0 +1,3 @@
+begin;
+alter table attr_min add constraint frd_ad_attr_min_pk primary key (frd_id,ad_id);
+commit;