Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/5265#discussion_r27452963
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala ---
@@ -941,10 +941,10 @@ class DataFrame private[sql](
/////////////////////////////////////////////////////////////////////////////
/**
- * Returns the content of the [[DataFrame]] as an [[RDD]] of [[Row]]s.
+ * Represents the content of the [[DataFrame]] as an [[RDD]] of [[Row]]s.
--- End diff --
can you update the doc to say that the RDD is memoized, i.e. once called,
even if you change the spark sql configuration, it won't change the plan
anymore?
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