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Posted to dev@hive.apache.org by "Rui Li (JIRA)" <ji...@apache.org> on 2014/09/07 04:26:28 UTC

[jira] [Updated] (HIVE-8017) Use HiveKey instead of Byteswritable as key type of the pair RDD [Spark Branch]

     [ https://issues.apache.org/jira/browse/HIVE-8017?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rui Li updated HIVE-8017:
-------------------------
    Issue Type: Sub-task  (was: Bug)
        Parent: HIVE-7292

> Use HiveKey instead of Byteswritable as key type of the pair RDD [Spark Branch]
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-8017
>                 URL: https://issues.apache.org/jira/browse/HIVE-8017
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>            Reporter: Rui Li
>            Assignee: Rui Li
>
> HiveKey should be used as the key type because it holds the hash code for partitioning. While BytesWritable serves partitioning well for simple cases, we have to use {{HiveKey.hashCode}} for more complicated ones, e.g. join, bucketed table, etc.



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