Nita Dembla created TEZ-3871:
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             Summary: Disable XPROD_EDGE for sq_count_check()  created for 
scalar subqueries
                 Key: TEZ-3871
                 URL: https://issues.apache.org/jira/browse/TEZ-3871
             Project: Apache Tez
          Issue Type: Bug
    Affects Versions: 0.9.1
            Reporter: Nita Dembla


IBM is running into this problem with TPCDS query6. sq_count_check()  will 
either return an error at runtime or a single row. In case of query6, the 
subquery has avg() function that should return a single row. Attaching the 
explain. 



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