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Posted to issues@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2014/01/31 15:14:08 UTC

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

     [ https://issues.apache.org/jira/browse/TAJO-568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyunsik Choi updated TAJO-568:
------------------------------

    Attachment: TAJO-568.patch

> 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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