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From felixcheung <...@git.apache.org>
Subject [GitHub] spark pull request #17851: [SPARK-20585][SPARKR] R generic hint support
Date Thu, 04 May 2017 04:29:01 GMT
Github user felixcheung commented on a diff in the pull request:

    https://github.com/apache/spark/pull/17851#discussion_r114698221
  
    --- Diff: R/pkg/R/DataFrame.R ---
    @@ -3715,3 +3715,34 @@ setMethod("rollup",
                 sgd <- callJMethod(x@sdf, "rollup", jcol)
                 groupedData(sgd)
               })
    +
    +#' hint
    +#'
    +#' Specifies execution plan hint on the current SparkDataFrame.
    +#'
    +#' @param x a SparkDataFrame.
    +#' @param name a name of the hint.
    +#' @param ... additional argument(s) passed to the method.
    +#'
    --- End diff --
    
    nit: remove empty line


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