'Construct a query for this key range without setting the scan direction.
Args:
kind_class: A kind implementation class.
keys_only: bool, default False, query only for keys.
Returns:
A db.Query instance.'

def make_ascending_query(self, kind_class, keys_only=False):

    query = db.Query(kind_class, keys_only=keys_only)
    query.order('__key__')
    query = self.filter_query(query)
    return query
