hive实现将一张分区表拷贝到另一张分区表

 beeline -e "
    set hive.exec.dynamic.partition=true;
    set hive.exec.dynamic.partition.mode=nonstrict;
    insert overwrite table ${Tar}
    partition(data_date,channel)
    select * from ${Tmp};

    drop table if exists ${Tmp};
    "