添加分区: ', p_loctype='MHA'); 已经创建好的分区表: INFO : Loading partition {p_hour, p_city, p_loctype=MHA} INFO : Loading partition {p_hour, p_city, p_loctype=MHA} INFO : Loading partition {p_hour, p_city, p_loctype=MHA} INFO : Loading partition {p_hour, p_city,