Github user mgaido91 commented on a diff in the pull request: https://github.com/apache/spark/pull/21352#discussion_r188952482 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala --- @@ -902,6 +905,7 @@ case class ArrayMax(child: Expression) extends UnaryExpression with ImplicitCast override def inputTypes: Seq[AbstractDataType] = Seq(ArrayType) + @transient --- End diff -- ditto
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