cloud-fan commented on a change in pull request #32030:
URL: https://github.com/apache/spark/pull/32030#discussion_r609884966
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala
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@@ -246,11 +246,50 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]]
extends Product {
arr
}
+ private def childrenTheSame(
+ originalChildren: IndexedSeq[BaseType], newChildren:
IndexedSeq[BaseType]): Boolean = {
+ val size = originalChildren.size
+ var i = 0
+ var childrenTheSame = true
+ while (i < size && childrenTheSame) {
Review comment:
early return in loop is not recommended in Scala...
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