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https://issues.apache.org/jira/browse/HIVE-4227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14507225#comment-14507225
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Owen O'Malley commented on HIVE-4227:
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I've started working on this. I'll post a patch this week.
> Add column level encryption to ORC files
> ----------------------------------------
>
> Key: HIVE-4227
> URL: https://issues.apache.org/jira/browse/HIVE-4227
> Project: Hive
> Issue Type: New Feature
> Components: File Formats
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
>
> It would be useful to support column level encryption in ORC files. Since
> each column and its associated index is stored separately, encrypting a
> column separately isn't difficult. In terms of key distribution, it would
> make sense to use an external server like the one in HADOOP-9331.
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