dongjoon-hyun commented on a change in pull request #28392:
URL: https://github.com/apache/spark/pull/28392#discussion_r416801382
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/randomExpressions.scala
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@@ -102,6 +105,11 @@ case class Rand(child: Expression) extends RDG with
ExpressionWithRandomSeed {
}
override def freshCopy(): Rand = Rand(child)
Review comment:
What happens when we do `freshCopy`? Do we need to propagate
`useRandSeed` field?
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