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https://issues.apache.org/jira/browse/ORC-14?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17392708#comment-17392708
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L-Job commented on ORC-14:
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I read the [https://orc.apache.org/specification/ORCv1/] 、and discovery the
process of unauth user will get the mask data after this feature.
so i wanna ask why don't throw an exception like permission denied ! i think
this will make the problem easier.
> Add column level encryption to ORC files
> ----------------------------------------
>
> Key: ORC-14
> URL: https://issues.apache.org/jira/browse/ORC-14
> Project: ORC
> Issue Type: New Feature
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Priority: Major
> Fix For: 1.6.0
>
> Attachments: columnEncryption.png
>
>
> 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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