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[SPARK-43240][SQL][3.3] Fix the wrong result issue when calling df.describe() method. #40914 #40958

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[SPARK-43240][SQL][3.3] Fix the wrong result issue when calling df.describe() method. #40914 #40958

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2 changes: 1 addition & 1 deletion sql/core/src/main/scala/org/apache/spark/sql/execution/stat/StatFunctions.scala
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Expand Up @@ -288,7 +288,7 @@ object StatFunctions extends Logging {
}

// If there is no selected columns, we don't need to run this aggregate, so make it a lazy val.
lazy val aggResult = ds.select(aggExprs: _*).queryExecution.toRdd.collect().head
lazy val aggResult = ds.select(aggExprs: _*).queryExecution.toRdd.map(_.copy()).collect().head

// We will have one row for each selected statistic in the result.
val result = Array.fill[InternalRow](selectedStatistics.length) {
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