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Posted to dev@hive.apache.org by "Navis (JIRA)" <ji...@apache.org> on 2013/02/27 09:07:14 UTC

[jira] [Updated] (HIVE-2597) Repeated key in GROUP BY is erroneously displayed when using DISTINCT

     [ https://issues.apache.org/jira/browse/HIVE-2597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Navis updated HIVE-2597:
------------------------

             Assignee: Navis
    Affects Version/s:     (was: 0.7.1)
               Status: Patch Available  (was: Open)
    
> Repeated key in GROUP BY is erroneously displayed when using DISTINCT
> ---------------------------------------------------------------------
>
>                 Key: HIVE-2597
>                 URL: https://issues.apache.org/jira/browse/HIVE-2597
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Alex Rovner
>            Assignee: Navis
>
> The following query was simplified for illustration purposes. 
> This works correctly:
> select client_tid, "" as myvalue1, "" as myvalue2 from clients cluster by client_tid
> The intent here is to produce two empty columns in between data.
> The following query does not work:
> select distinct client_tid, "" as myvalue1, "" as myvalue2 from clients cluster by client_tid
> FAILED: Error in semantic analysis: Line 1:44 Repeated key in GROUP BY ""
> The key is not repeated since the aliases were given. Seems like Hive is ignoring the aliases when the "distinct" keyword is specified.

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