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https://issues.apache.org/jira/browse/TAJO-1431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14372438#comment-14372438
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Hyunsik Choi commented on TAJO-1431:
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No problem :) 

I thought that you already know EvalNode. So, I expected that there is another 
reason that I don't know. If you have a plan to port ORC to Tajo. This work 
looks worthy. Thank you for your contribution. I'll review the patch soon.


> Port hive SARG (HIVE-4579) to tajo
> ----------------------------------
>
>                 Key: TAJO-1431
>                 URL: https://issues.apache.org/jira/browse/TAJO-1431
>             Project: Tajo
>          Issue Type: Sub-task
>          Components: storage
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Minor
>         Attachments: TAJO-1431.1.patch.txt
>
>
> It makes common CNF format filter from predicates pushed-down to scan 
> operator which can be used for parquet or ORC format.
> see https://issues.apache.org/jira/browse/HIVE-4579



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