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From "Jitendra Nath Pandey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4654) Remove unused org.apache.hadoop.hive.ql.exec Writables
Date Thu, 06 Jun 2013 08:39:21 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13676842#comment-13676842
] 

Jitendra Nath Pandey commented on HIVE-4654:
--------------------------------------------

I think this is more general than vectorization effort. We should generally remove unused
classes.
I would suggest to remove it from subtasks of HIVE-4160 and make it a top level bug.
                
> Remove unused org.apache.hadoop.hive.ql.exec Writables
> ------------------------------------------------------
>
>                 Key: HIVE-4654
>                 URL: https://issues.apache.org/jira/browse/HIVE-4654
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Query Processor
>            Reporter: Remus Rusanu
>            Priority: Minor
>
> The Writables are originally from org.apache.hadoop.io. I tend to assume that they have
been re-defined in hive if the original implementation was not considered good enough.
> However, I don't understand why some are defined twice in hive itself. I noticed that
ByteWritable in o.a.h.hive.ql.exec is not being used anywhere. The ByteWritable in serde2.io
is being referred to in bunch of places. Therefore, I would suggest to just use the one in
serde2.io. 

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