Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/21860#discussion_r226981919 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/HashAggregateExec.scala --- @@ -744,6 +744,7 @@ case class HashAggregateExec( val unsafeRowKeys = unsafeRowKeyCode.value val unsafeRowBuffer = ctx.freshName("unsafeRowAggBuffer") val fastRowBuffer = ctx.freshName("fastAggBuffer") + val updateAggBuffer = ctx.freshName("updateAggBuffer") --- End diff -- `updatedAggBuffer`?
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