Index: openacs-4/packages/evaluation/www/admin/grades/grades-postgresql.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/evaluation/www/admin/grades/grades-postgresql.xql,v
diff -u -r1.4 -r1.5
--- openacs-4/packages/evaluation/www/admin/grades/grades-postgresql.xql	7 Jul 2004 17:26:45 -0000	1.4
+++ openacs-4/packages/evaluation/www/admin/grades/grades-postgresql.xql	17 Aug 2004 17:44:02 -0000	1.5
@@ -33,7 +33,7 @@
 
 <fullquery name="sum_grades">      
       <querytext>
-    select sum(eg.weight) 
+    select coalesce(sum(eg.weight),0)
     from evaluation_gradesx eg, acs_objects ao 
     where content_revision__is_live(eg.grade_id) = true 
     and eg.item_id = ao.object_id