cloud-fan commented on code in PR #49386:
URL: https://github.com/apache/spark/pull/49386#discussion_r1904896615
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/unresolved.scala:
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@@ -1071,3 +1072,29 @@ trait UnresolvedPlanId extends LeafExpression with
Unevaluable {
// Subclasses can override this function to provide more TreePatterns.
def nodePatternsInternal(): Seq[TreePattern] = Seq()
}
+
+case class UnresolvedWithColumns(
+ colNames: Seq[String],
+ exprs: Seq[Expression],
+ metadata: Option[Seq[Metadata]],
+ child: LogicalPlan)
+ extends UnresolvedUnaryNode {
+
+ final override val nodePatterns: Seq[TreePattern] =
Seq(UNRESOLVED_WITH_COLUMNS)
+
+ override protected def withNewChildInternal(
+ newChild: LogicalPlan): UnresolvedWithColumns = copy(child = newChild)
+}
+
+case class UnresolvedWithColumnsRenamed(
Review Comment:
I don't think we need new logical plans. See how we implement a similar
feature for SQL pipe:
https://github.com/apache/spark/commit/68be1da5ba8e54a67eb61822cdf7f8eb47926319
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