peter-toth commented on a change in pull request #29771:
URL: https://github.com/apache/spark/pull/29771#discussion_r490414816
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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:
This ticket and PR just focuses on the correctness issue found. But I
think we can extend the rule to handle `Aggregate` in another ticket if that is
ok with you.
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