[jira] [Commented] (TAJO-568) Union query with the same alias names cause NPE

["Jaehwa Jung (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAJO-568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13889363#comment-13889363 ] 

Jaehwa Jung commented on TAJO-568:
----------------------------------

+1.
I commented in review board.

> Union query with the same alias names cause NPE
> -----------------------------------------------
>
>                 Key: TAJO-568
>                 URL: https://issues.apache.org/jira/browse/TAJO-568
>             Project: Tajo
>          Issue Type: Bug
>          Components: planner/optimizer
>            Reporter: Hyunsik Choi
>            Assignee: Hyunsik Choi
>             Fix For: 0.8-incubating
>
>         Attachments: TAJO-568.patch
>
>
> See the title and the following case:
> {code}
> select a.id, a.name from (select id, name from table1) a
> union all
> select a.id, a.name from (select id, name from table1) a
> {code}
> We should fix it.



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