jinxing64 commented on issue #1307: [CALCITE-3182] Trim unused fields for plan of materialized-view before matching. URL: https://github.com/apache/calcite/pull/1307#issuecomment-509507004 @DonnyZone Thanks a lot for pointing me to https://issues.apache.org/jira/browse/CALCITE-3113 . As the comment I left in CALCITE-3113, my idea is that row-type checking in https://github.com/apache/calcite/blob/master/core/src/main/java/org/apache/calcite/plan/SubstitutionVisitor.java#L498 is too strict, I think we might just need to assure that the final result from `SubstitutionVisitor` should have same row-type as before. That's enough. How do you think ?
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