Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/22766#discussion_r226511479 --- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveUDFs.scala --- @@ -340,39 +340,39 @@ private[hive] case class HiveUDAFFunction( resolver.getEvaluator(parameterInfo) } - // The UDAF evaluator used to consume raw input rows and produce partial aggregation results. - @transient - private lazy val partial1ModeEvaluator = newEvaluator() + private case class PartialEvaluator( + evaluator: GenericUDAFEvaluator, + objectInspector: ObjectInspector) + // The UDAF evaluator used to consume raw input rows and produce partial aggregation results. // Hive `ObjectInspector` used to inspect partial aggregation results. @transient - private val partialResultInspector = partial1ModeEvaluator.init( - GenericUDAFEvaluator.Mode.PARTIAL1, - inputInspectors - ) + private lazy val partial1Mode = { --- End diff -- `partial1ModeEvaluator`
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