gistfile1.txt

    def get_search_results(self, request, queryset, search_term):
        queryset, use_distinct = super(OogleUserAdmin, self).get_search_results(request, queryset, search_term)
        if search_term.isdigit():
            queryset = self.model.objects.filter(Q(id=search_term) | Q(dentist__dentist_id=search_term) | Q(login_dentist__dentist_id=search_term))
            sort_param = request.GET.get('o', '').split('.')
            full_sort_param = []
            index = 1
            for field in self.list_display:
                for param in sort_param:
                    if str(index) in param:
                        full_sort_param.append(param.replace(str(index), field))
                index += 1
            queryset = queryset.order_by(*full_sort_param)
        return queryset, use_distinct