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  • Hive:添加、删除分区

    添加分区:

    alter table my_partition_test_table if not exists add partition (p_hour='2017113003', p_city='573', p_loctype='MHA');

    已经创建好的分区表:

    INFO  :         Loading partition {p_hour=2017113003, p_city=573, p_loctype=MHA}
    INFO  :         Loading partition {p_hour=2017113019, p_city=579, p_loctype=MHA}
    INFO  :         Loading partition {p_hour=2017113010, p_city=574, p_loctype=MHA}
    INFO  :         Loading partition {p_hour=2017113012, p_city=575, p_loctype=MHA}
    INFO  :         Loading partition {p_hour=2017113013, p_city=572, p_loctype=MHA}
    INFO  :         Loading partition {p_hour=2017113018, p_city=571, p_loctype=MHA}
    INFO  :         Loading partition {p_hour=2017113006, p_city=571, p_loctype=MHA}
    INFO  :         Loading partition {p_hour=2017113007, p_city=580, p_loctype=MHA}

    分区字段包含:p_hour,p_city,p_loctype。

    根据分区字段p_loctype删除分区:

    ALTER TABLE my_partition_test_table DROP IF EXISTS PARTITION (p_loctype='MHA');

    删除日志:

    INFO  : Dropped the partition p_hour=2017113001/p_city=574/p_loctype=MHA
    INFO  : Dropped the partition p_hour=2017113001/p_city=577/p_loctype=MHA
    INFO  : Dropped the partition p_hour=2017113001/p_city=579/p_loctype=MHA
    INFO  : Dropped the partition p_hour=2017113002/p_city=570/p_loctype=MHA
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  • 原文地址:https://www.cnblogs.com/yy3b2007com/p/8080583.html
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