[GitHub] [spark] cloud-fan commented on a diff in pull request #38877: [SPARK-41361] [SQL] Invalid call toAttribute on unresolved object exception caused by WidenSetOperationTypes

[GitBox <gi...@apache.org>]

cloud-fan commented on code in PR #38877:
URL: https://github.com/apache/spark/pull/38877#discussion_r1039178253


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/ScriptTransformation.scala:
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@@ -32,7 +32,13 @@ case class ScriptTransformation(
     child: LogicalPlan,
     ioschema: ScriptInputOutputSchema) extends UnaryNode {
   @transient
-  override lazy val references: AttributeSet = AttributeSet(child.output)

Review Comment:
   This is not the only place that uses this pattern. Do you know which unresolved plan throw errors when calling `output`?



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