-- -- acs_activity__object_unmap/2 -- create or replace function acs_activity__object_unmap( integer, integer ) returns int4 as $$ declare object_unmap__activity_id alias for $1; object_unmap__object_id alias for $2; begin delete from acs_activity_object_map where activity_id = object_unmap__activity_id and object_id = object_unmap__object_id; return 0; end;$$ language plpgsql;