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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (TAJO-228) Can't use group by column alias
Date Sat, 12 Oct 2013 15:14:41 GMT

     [ https://issues.apache.org/jira/browse/TAJO-228?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hyunsik Choi resolved TAJO-228.
-------------------------------

    Resolution: Duplicate

> Can't use group by column alias
> -------------------------------
>
>                 Key: TAJO-228
>                 URL: https://issues.apache.org/jira/browse/TAJO-228
>             Project: Tajo
>          Issue Type: Bug
>            Reporter: kim hyoung jun
>             Fix For: 0.2-incubating
>
>
> I ran the bellow query which uses column alias and group by.
> {code}
> select b.n_name as nation, count(*) as cnt
>   from customer_100 a, nation_100 b 
>  where a.c_nationkey = b.n_nationkey 
>  group by b.n_name
>  order by cnt desc
>  limit 7
> {code}
> This query  doesn't end. I found attached error message in tajo worker's log.



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