rednaxelafx commented on a change in pull request #29771:
URL: https://github.com/apache/spark/pull/29771#discussion_r490416252
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/expressions.scala
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@@ -624,67 +624,89 @@ object NullPropagation extends Rule[LogicalPlan] {
*/
object FoldablePropagation extends Rule[LogicalPlan] {
def apply(plan: LogicalPlan): LogicalPlan = {
- var foldableMap = AttributeMap(plan.flatMap {
- case Project(projectList, _) => projectList.collect {
Review comment:
I had the same question when I first looked at the PR, but since this PR
might need to be hotfixed to released branches, it's a good idea to keep it
simple and don't add any new features. So I'm +1 for handling Aggregate in a
separate PR.
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