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Posted to dev@hive.apache.org by "Jason Dere (JIRA)" <ji...@apache.org> on 2014/05/10 23:59:41 UTC

[jira] [Updated] (HIVE-7041) DoubleWritable/ByteWritable should extend their hadoop counterparts

     [ https://issues.apache.org/jira/browse/HIVE-7041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Dere updated HIVE-7041:
-----------------------------

    Attachment: HIVE-7041.1.patch

> DoubleWritable/ByteWritable should extend their hadoop counterparts
> -------------------------------------------------------------------
>
>                 Key: HIVE-7041
>                 URL: https://issues.apache.org/jira/browse/HIVE-7041
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>         Attachments: HIVE-7041.1.patch
>
>
> Hive has its own implementations of ByteWritable/DoubleWritable/ShortWritable.  We cannot replace usage of these classes since they will break 3rd party UDFs/SerDes, however we can at least extend from the Hadoop version of these classes when possible to avoid duplicate code.
> When Hive finally moves to version 1.0 we might want to consider removing use of these Hive-specific writables and switching over to using the Hadoop version of these classes.
> ShortWritable didn't exist in Hadoop until 2.x so it looks like we can't do it with this class until 0.20/1.x support is dropped from Hive.



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