wangyum commented on a change in pull request #30853:
URL: https://github.com/apache/spark/pull/30853#discussion_r549583380
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/expressions.scala
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@@ -542,29 +542,42 @@ object PushFoldableIntoBranches extends Rule[LogicalPlan]
with PredicateHelper {
def apply(plan: LogicalPlan): LogicalPlan = plan transform {
case q: LogicalPlan => q transformExpressionsUp {
+ case a: Alias => a // Skip an alias.
Review comment:
https://github.com/apache/spark/pull/30955
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