jinxing64 commented on issue #1619: [CALCITE-3537] Add ProjectAggregateTransposeRule to normalize materialized view in SubstitutionVisitor URL: https://github.com/apache/calcite/pull/1619#issuecomment-561051713 Rather than creating a separate canonicalizing rule, I think a better fix would be add a matching rule and the pattern is as b elow: ``` Query: LogicalPlanX MV: Calc // No filtering condition and Project for permutation +--LogicalPlanX ```
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