cloud-fan commented on code in PR #51705:
URL: https://github.com/apache/spark/pull/51705#discussion_r2256716394
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala:
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@@ -1369,6 +1369,39 @@ trait QuaternaryLike[T <: TreeNode[T]] { self:
TreeNode[T] =>
protected def withNewChildrenInternal(newFirst: T, newSecond: T, newThird:
T, newFourth: T): T
}
+trait NaryLike[T <: TreeNode[T]] { self: TreeNode[T] =>
Review Comment:
how is it different from a logical plan with a `children: Seq[LogicalPlan]`
field?
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