[jira] [Created] (FLINK-6789) Remove duplicated test utility reducer in optimizer

[Shang Yuanchun (Jira)]

Chesnay Schepler created FLINK-6789:
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             Summary: Remove duplicated test utility reducer in optimizer
                 Key: FLINK-6789
                 URL: https://issues.apache.org/jira/browse/FLINK-6789
             Project: Flink
          Issue Type: Improvement
          Components: Optimizer, Tests
    Affects Versions: 1.4.0
            Reporter: Chesnay Schepler


The {{DummyReducer}} and {{SelectOneReducer}} in {{org.apache.flink.optimizer.testfunctions}} are identical; we could remove one of them.



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