[GitHub] [spark] viirya commented on a change in pull request #28407: [SPARK-31607][SQL] Improve the perf of CTESubstitution

viirya commented on a change in pull request #28407: URL: https://github.com/apache/spark/pull/28407#discussion_r417825103 ## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CTESubstitution.scala ## @@ -159,17 +146,36 @@ object CTESubstitution

[GitHub] [spark] viirya commented on a change in pull request #28407: [SPARK-31607][SQL] Improve the perf of CTESubstitution

viirya commented on a change in pull request #28407: URL: https://github.com/apache/spark/pull/28407#discussion_r417825103 ## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CTESubstitution.scala ## @@ -159,17 +146,36 @@ object CTESubstitution