hvanhovell commented on code in PR #50605:
URL: https://github.com/apache/spark/pull/50605#discussion_r2068850732
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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:
Constructing a Dataset, depending on the construction of an encoder, is not
for free.
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