def modify_num(model, color, num): """ :param model: :type model: :param color: :type color: :param num: :type num: :return: number of row update, 0 if not find, error if modify_json is wrong :rtype: int """ query = Storage.update(num=num).where(Storage.model == model, Storage.color == color) return query.execute()
def increment_num(model, color): query = Storage.update(num=Storage.num + 1) \ .where(Storage.model == model, Storage.color == color) return query.execute()