peterpashkin commented on code in PR #50605:
URL: https://github.com/apache/spark/pull/50605#discussion_r2068752233


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sql/connect/server/src/main/scala/org/apache/spark/sql/connect/service/SparkConnectAnalyzeHandler.scala:
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@@ -61,21 +64,24 @@ private[connect] class SparkConnectAnalyzeHandler(
 
     def transformRelation(rel: proto.Relation) = 
planner.transformRelation(rel, cachePlan = true)
 
+    def getDataFrameWithoutExecuting(rel: LogicalPlan): DataFrame = {
+      val qe = session.sessionState.executePlan(rel, CommandExecutionMode.SKIP)
+      if (!qe.isLazyAnalysis) qe.assertAnalyzed()
+      new Dataset[Row](qe, () => RowEncoder.encoderFor(qe.analyzed.schema))

Review Comment:
   Working on this I think that it is better to leave this as a DataFrame, it 
will not be a performance regression and the code would be really obfuscated if 
each case has their own implementation of that



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