Github user rxin commented on a diff in the pull request: https://github.com/apache/spark/pull/12612#discussion_r61371630 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/SortBasedAggregateExec.scala --- @@ -46,7 +46,7 @@ case class SortBasedAggregateExec( AttributeSet(aggregateBufferAttributes) override private[sql] lazy val metrics = Map( - "numOutputRows" -> SQLMetrics.createLongMetric(sparkContext, "number of output rows")) + "numOutputRows" -> SQLMetrics.createSumMetric(sparkContext, "number of output rows")) --- End diff -- maybe just createMetric?
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