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https://issues.apache.org/jira/browse/TAJO-829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13999405#comment-13999405
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ASF GitHub Bot commented on TAJO-829:
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Github user asfgit closed the pull request at:
https://github.com/apache/tajo/pull/10
> Same constants in groupby clause may cause planning error.
> ----------------------------------------------------------
>
> Key: TAJO-829
> URL: https://issues.apache.org/jira/browse/TAJO-829
> Project: Tajo
> Issue Type: Bug
> Components: planner/optimizer
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.9.0, 0.8.1
>
>
> {code}
> select l_partkey as a, '##' as b, '##' as c, count(*) d
> from lineitem
> group by a, b, c
> {code}
> See the above query case. This query causes the planning error. This patch
> fixes the bug. Also, this patch removes duplicated group by keys.
> I verified 'mvn clean install'.
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