def append_partition_by_name(self, db_name, tbl_name, part_name):
    """
    Parameters:
     - db_name
     - tbl_name
     - part_name
    """
    self.send_append_partition_by_name(db_name, tbl_name, part_name)
    return self.recv_append_partition_by_name()
Parameters:
     - db_name
     - tbl_name
     - part_name