def METHOD_NAME(self, table):
    request = db_pb2.ColumnsContext(context=self.context, table=table)
    resp = self.stub.GetColumns(request)
    logger.info("%s.get_columns: returned error - %s, error_message - %s", self.__class__.__name__, resp.error_code, resp.error_message)
    data = pickle.loads(resp.data_frame)
    logger.info("%s.get_columns: returned data(type of %s) - %s", self.__class__.__name__, type(data), data)
    return self._to_response(resp)