Fixed #17594 -- Stopped ModelFormset.save from running a SELECT query by relying on the fact that the initial form is already set. Thanks, tswicegood.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17434 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/forms/models.py

@@ -591,7 +591,7 @@ class BaseModelFormSet(BaseFormSet):
     def save_existing_objects(self, commit=True):
         self.changed_objects = []
         self.deleted_objects = []
-        if not self.get_queryset():
+        if not self.initial_forms:
             return []
 
         saved_instances = []