maropu commented on a change in pull request #29586:
URL: https://github.com/apache/spark/pull/29586#discussion_r479841453
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/unresolved.scala
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@@ -256,7 +256,10 @@ case class UnresolvedFunction(
override lazy val resolved = false
override def prettyName: String = name.unquotedString
- override def toString: String = s"'$name(${children.mkString(", ")})"
+ override def toString: String = {
+ val distinct = if (isDistinct) "distinct " else ""
+ s"'$name($distinct${children.mkString(", ")})"
Review comment:
Ah, I see. But, its better to reformat the output, `'Project
[unresolvedalias('sum('c1), None)]` into `'Project
[unresolvedalias('sum('c1))]` because `None` looks ambigous for users.
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