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Posted to issues@tajo.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2015/07/14 10:21:04 UTC

[jira] [Commented] (TAJO-1514) Distinguish UNION and UNION ALL

    [ https://issues.apache.org/jira/browse/TAJO-1514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14626022#comment-14626022 ] 

ASF GitHub Bot commented on TAJO-1514:
--------------------------------------

Github user hyunsik commented on the pull request:

    https://github.com/apache/tajo/pull/505#issuecomment-121164355
  
    Hi @sirpkt,
    
    Thank you for your work. I'm going to continue this work. I'm sorry for late review.


> Distinguish UNION and UNION ALL
> -------------------------------
>
>                 Key: TAJO-1514
>                 URL: https://issues.apache.org/jira/browse/TAJO-1514
>             Project: Tajo
>          Issue Type: Sub-task
>            Reporter: Keuntae Park
>            Assignee: Keuntae Park
>
> Currently, Tajo handles both UNION and UNION ALL as UNION ALL.
> For UNION, however, result should not have duplicated rows.
> It needs to handle them differently.  



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