[jira] [Created] (CALCITE-4578) skip SetOp#replaceInput when inputs are not changed

[Jiatao Tao (Jira)]

Jiatao Tao created CALCITE-4578:
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             Summary: skip SetOp#replaceInput when inputs are not changed
                 Key: CALCITE-4578
                 URL: https://issues.apache.org/jira/browse/CALCITE-4578
             Project: Calcite
          Issue Type: Bug
          Components: core
            Reporter: Jiatao Tao
            Assignee: Jiatao Tao






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