HyukjinKwon commented on a change in pull request #28919:
URL: https://github.com/apache/spark/pull/28919#discussion_r445274348
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala
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@@ -460,7 +460,12 @@ abstract class SparkStrategies extends
QueryPlanner[SparkPlan] {
// because `distinctExpressions` is not extracted during logical
phase.
NormalizeFloatingNumbers.normalize(e) match {
case ne: NamedExpression => ne
- case other => Alias(other, other.toString)()
Review comment:
I see, thanks. Can we at least leave a short comment why we're doing it
here alone?
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