cloud-fan commented on code in PR #50823:
URL: https://github.com/apache/spark/pull/50823#discussion_r2079045149
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sql/core/src/main/scala/org/apache/spark/sql/execution/GenerateExec.scala:
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@@ -87,7 +106,7 @@ case class GenerateExec(
val rows = if (requiredChildOutput.nonEmpty) {
val pruneChildForResult: InternalRow => InternalRow =
- if (child.outputSet == AttributeSet(requiredChildOutput)) {
Review Comment:
This is comparing two sets, why does attr count matter?
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