def get_queryset(self, request):
        qs = self.model._default_manager.get_queryset()
        # TODO: this should be handled by some parameter to the ChangeList.
        ordering = self.get_ordering(request)
        if ordering:
            qs = qs.order_by(*ordering)
        return qs
Returns a QuerySet of all model instances that can be edited by the
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/contrib/admin/options.py/BaseModelAdmin.get_queryset