no need to reset metrics

Author: cloud-fan

sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala

@@ -578,9 +578,6 @@ final class DataFrameWriter[T] private[sql](ds: Dataset[T]) {
   private def runCommand(session: SparkSession, name: String)(command: LogicalPlan): Unit = {
     val qe = session.sessionState.executePlan(command)
     try {
-      qe.executedPlan.foreach { plan =>
-        plan.resetMetrics()
-      }
       val start = System.nanoTime()
       // call `QueryExecution.toRDD` to trigger the execution of commands.
       qe.toRdd