A queryset that has had ordering removed (order_by()) can have ordering added

again later (order_by('foo')). Or, at least, it can now. Thanks to Ilya
Novoselov for diagnosing the problem here.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@9206 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/sql/query.py

@@ -608,7 +608,7 @@ class Query(object):
         if self.extra_order_by:
             ordering = self.extra_order_by
         elif not self.default_ordering:
-            ordering = []
+            ordering = self.order_by
         else:
             ordering = self.order_by or self.model._meta.ordering
         qn = self.quote_name_unless_alias