[GitHub] spark pull request: [SQL] SPARK-6981: Factor out SparkPlanner and ...

[yhuai <gi...@git.apache.org>]

Github user yhuai commented on a diff in the pull request:

    https://github.com/apache/spark/pull/6356#discussion_r41081769
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala ---
    @@ -114,7 +114,7 @@ private[sql] object DataFrame {
     @Experimental
     class DataFrame private[sql](
         @transient val sqlContext: SQLContext,
    -    @DeveloperApi @transient val queryExecution: SQLContext#QueryExecution) extends Serializable {
    +    @DeveloperApi @transient val queryExecution: QueryExecution) extends Serializable {
    --- End diff --
    
    @marmbrus This changes the signature of `queryExecution`. Is there anyway that we can preserve the binary compatibility?


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