Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/19872#discussion_r154642902 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/pythonLogicalOperators.scala --- @@ -38,3 +38,13 @@ case class FlatMapGroupsInPandas( */ override val producedAttributes = AttributeSet(output) } + +case class AggregateInPandas( + groupingAttributes: Seq[Attribute], + functionExprs: Seq[Expression], + output: Seq[Attribute], + child: LogicalPlan +) extends UnaryNode { --- End diff -- nit: ``` child: LogicalPlan) extends UnaryNode { ```
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