--- a/server/querier.py	Sat Jul 17 10:00:05 2010 +0200
+++ b/server/querier.py	Mon Jul 19 10:10:20 2010 +0200
@@ -360,6 +360,7 @@
                     select.set_possible_types(localchecks[()])
                     add_types_restriction(self.schema, select)
                     add_noinvariant(noinvariant, restricted, select, nbtrees)
+                self.rqlhelper.annotate(union)
 
     def _check_permissions(self, rqlst):
         """return a dict defining "local checks", e.g. RQLExpression defined in