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https://issues.apache.org/jira/browse/HIVE-5663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13806821#comment-13806821
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Brock Noland commented on HIVE-5663:
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Yep I saw that and I think keeping in line with the existing code base is a
great goal. However, I don't think that makes sense when there is redundant or
non-standard code like this case.
Thanks for the contribution!
> Refactor ORC RecordReader to operate on direct & wrapped ByteBuffers
> --------------------------------------------------------------------
>
> Key: HIVE-5663
> URL: https://issues.apache.org/jira/browse/HIVE-5663
> Project: Hive
> Issue Type: Improvement
> Components: File Formats
> Affects Versions: 0.13.0
> Environment: Ubuntu LXC
> Reporter: Gopal V
> Assignee: Gopal V
> Labels: ORC
> Attachments: HIVE-5663.01.patch
>
>
> The current ORC RecordReader implementation assumes array structures backing
> the ByteBuffers it passes around between RecordReaderImpl and
> Compressed/Uncompressed InStream objects.
> This patch attempts to refactor those assumptions out of both classes,
> allowing the future use of direct byte buffers within ORC (as might come from
> HDFS zero-copy readers).
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