[GitHub] [calcite] chunweilei commented on a change in pull request #2039: Digest on RelNode and RexCall

chunweilei commented on a change in pull request #2039: URL: https://github.com/apache/calcite/pull/2039#discussion_r443597562 ## File path: core/src/main/java/org/apache/calcite/rex/RexSubQuery.java ## @@ -139,11 +138,14 @@ public RexSubQuery clone(RelNode rel) {

[GitHub] [calcite] chunweilei commented on a change in pull request #2039: Digest on RelNode and RexCall

chunweilei commented on a change in pull request #2039: URL: https://github.com/apache/calcite/pull/2039#discussion_r443589712 ## File path: core/src/main/java/org/apache/calcite/plan/RelDigest.java ## @@ -0,0 +1,42 @@ +/* + * Licensed to the Apache Software Foundation (ASF)