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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TAJO-538) Groupby queries with constant target lists doesn't work
Date Tue, 21 Jan 2014 05:03:21 GMT
Hyunsik Choi created TAJO-538:
---------------------------------

             Summary: Groupby queries with constant target lists doesn't work
                 Key: TAJO-538
                 URL: https://issues.apache.org/jira/browse/TAJO-538
             Project: Tajo
          Issue Type: Bug
          Components: planner/optimizer
            Reporter: Hyunsik Choi
            Assignee: Hyunsik Choi
             Fix For: 0.8-incubating


{code}
select l_orderkey as gkey, '00' as num from lineitem group by lineitem.l_orderkey;
{code}

Basically, target list must be either grouping key or measure. In addition, constant value
can be placed on the target list with groupby.

But, current Tajo causes error in this case. This patch fixes this bug.



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