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https://issues.apache.org/jira/browse/HIVE-11595?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14720978#comment-14720978
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Lefty Leverenz commented on HIVE-11595:
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Any doc needed for this?

> refactor ORC footer reading to make it usable from outside
> ----------------------------------------------------------
>
>                 Key: HIVE-11595
>                 URL: https://issues.apache.org/jira/browse/HIVE-11595
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>             Fix For: 2.0.0
>
>         Attachments: HIVE-10595.patch, HIVE-11595.01.patch, 
> HIVE-11595.02.patch, HIVE-11595.03.patch, HIVE-11595.04.patch
>
>
> If ORC footer is read from cache, we want to parse it without having the 
> reader, opening a file, etc. I thought it would be as simple as protobuf 
> parseFrom bytes, but apparently there's bunch of stuff going on there. It 
> needs to be accessible via something like parseFrom(ByteBuffer), or similar.



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