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From "Aman Sinha (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-1846) Re-ordering output of a subquery on a different column causes error
Date Thu, 11 Dec 2014 23:48:15 GMT
Aman Sinha created DRILL-1846:
---------------------------------

             Summary: Re-ordering output of a subquery on a different column causes error
                 Key: DRILL-1846
                 URL: https://issues.apache.org/jira/browse/DRILL-1846
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Aman Sinha
            Assignee: Aman Sinha


In the following the subquery does an order by on n_regionkey and the outer query does another
order-by on n_nationkey.  This query errors out:
{code}
 select n.n_nationkey 
      from  (select n_nationkey, n_regionkey from cp.`tpch/nation.parquet` 
                   order by n_regionkey) n 
  order by n.n_nationkey;

  Query failed: Query failed: Unexpected exception during fragment initialization: SingleMergeExchange
only supports a single receiver endpoint
{code}





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