Yin Huai created HIVE-5186:
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             Summary: Remove JoinReducerProc from ReduceSinkDeDuplication
                 Key: HIVE-5186
                 URL: https://issues.apache.org/jira/browse/HIVE-5186
             Project: Hive
          Issue Type: Improvement
            Reporter: Yin Huai
            Assignee: Yin Huai
            Priority: Minor


Correlation Optimizer will take care patterns involving JoinOperator. We can 
remove JoinReducerProc from ReduceSinkDeDuplication.

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