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From shivaram <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-9856][SparkR] Add expression functions ...
Date Tue, 18 Aug 2015 16:49:03 GMT
Github user shivaram commented on a diff in the pull request:

    https://github.com/apache/spark/pull/8264#discussion_r37322633
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
    @@ -682,6 +682,14 @@ object functions {
        * Generate a random column with i.i.d. samples from U[0.0, 1.0].
        *
        * @group normal_funcs
    +   * @since 1.5.0
    +   */
    +  def rand(seed: Int): Column = Rand(Int.int2long(seed))
    --- End diff --
    
    hmm so the method should be invoked from the RBackendHandler which is in scope. Could
you paste the stack trace that you get with `private[spark]`
    
    @davies  Any ideas about this ?


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