Github user cloud-fan commented on a diff in the pull request:

    https://github.com/apache/spark/pull/14044#discussion_r69498260
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
    @@ -62,7 +62,7 @@ private[sql] object Dataset {
       def ofRows(sparkSession: SparkSession, logicalPlan: LogicalPlan): 
DataFrame = {
         val qe = sparkSession.sessionState.executePlan(logicalPlan)
         qe.assertAnalyzed()
    -    new Dataset[Row](sparkSession, logicalPlan, 
RowEncoder(qe.analyzed.schema))
    +    new Dataset[Row](sparkSession, qe, RowEncoder(qe.analyzed.schema), 
skipAnalysis = true)
    --- End diff --
    
    we can make the `encoder` a by-name parameter in `Dataset`, then the 
`qe.assertAnalyzed()` will be called first.


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