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Posted to issues@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2014/12/05 08:35:13 UTC

[jira] [Created] (TAJO-1232) Implicit groupby queries with LIMIT lead to wrong results.

Hyunsik Choi created TAJO-1232:
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             Summary: Implicit groupby queries with LIMIT lead to wrong results.
                 Key: TAJO-1232
                 URL: https://issues.apache.org/jira/browse/TAJO-1232
             Project: Tajo
          Issue Type: Bug
          Components: planner/optimizer
            Reporter: Hyunsik Choi
             Fix For: 0.9.1


See the title. The following query will reproduce the problem.

{code}
SELECT sum(x) FROM T1 LIMIT 1;
> 0
{code}

Regardless of the actual summation result, the query result always is 0.




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