Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/10757#discussion_r53002720
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/unresolved.scala
---
@@ -141,11 +144,11 @@ case class UnresolvedFunction(
override def nullable: Boolean = throw new UnresolvedException(this,
"nullable")
override lazy val resolved = false
- override def prettyString: String = {
- s"${name}(${children.map(_.prettyString).mkString(",")})"
+ override def sql: String = {
+ s"$name(${children.map(_.sql).mkString(", ")})"
--- End diff --
Is this same of the default one in `Expression`? after we override
`prettyName` with `name`
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