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[SPARK-44340][SQL][FOLLOWUP][3.5] Set partition index correctly for WindowGroupLimitExec #42233

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[SPARK-44340][SQL][FOLLOWUP][3.5] Set partition index correctly for WindowGroupLimitExec #42233

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8 changes: 3 additions & 5 deletions sql/core/src/main/scala/org/apache/spark/sql/execution/window/WindowGroupLimitExec.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -72,23 +72,21 @@ case class WindowGroupLimitExec(
"numOutputRows" -> SQLMetrics.createMetric(sparkContext, "number of output rows"))

protected override def doExecute(): RDD[InternalRow] = {
val numOutputRows = longMetric("numOutputRows")

val evaluatorFactory =
new WindowGroupLimitEvaluatorFactory(
partitionSpec,
orderSpec,
rankLikeFunction,
limit,
child.output,
numOutputRows)
longMetric("numOutputRows"))

if (conf.usePartitionEvaluator) {
child.execute().mapPartitionsWithEvaluator(evaluatorFactory)
} else {
child.execute().mapPartitionsInternal { iter =>
child.execute().mapPartitionsWithIndexInternal { (index, rowIterator) =>
val evaluator = evaluatorFactory.createEvaluator()
evaluator.eval(0, iter)
evaluator.eval(index, rowIterator)
}
}
}
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