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Posted to dev@hive.apache.org by "Pengcheng Xiong (JIRA)" <ji...@apache.org> on 2014/12/12 00:30:13 UTC

[jira] [Updated] (HIVE-9053) select constant in union all followed by group by gives wrong result

     [ https://issues.apache.org/jira/browse/HIVE-9053?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pengcheng Xiong updated HIVE-9053:
----------------------------------
    Status: Patch Available  (was: Open)

> select constant in union all followed by group by gives wrong result
> --------------------------------------------------------------------
>
>                 Key: HIVE-9053
>                 URL: https://issues.apache.org/jira/browse/HIVE-9053
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-9053.01.patch
>
>
> Here is the the way to reproduce with q test:
> select key from (select '1' as key from src union all select key from src)tab group by key;
> will give
> OK
> NULL
> 1
> This is not correct as src contains many other keys.



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