cloud-fan commented on code in PR #45125:
URL: https://github.com/apache/spark/pull/45125#discussion_r1513701849
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/RewriteWithExpression.scala:
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@@ -34,7 +34,7 @@ import
org.apache.spark.sql.catalyst.trees.TreePattern.{COMMON_EXPR_REF, WITH_EX
*/
object RewriteWithExpression extends Rule[LogicalPlan] {
override def apply(plan: LogicalPlan): LogicalPlan = {
- plan.transformWithPruning(_.containsPattern(WITH_EXPRESSION)) {
+
plan.transformDownWithSubqueriesAndPruning(_.containsPattern(WITH_EXPRESSION)) {
Review Comment:
I think all subqueries will be optimized recursively. There is no exception.
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