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From zero323 <...@git.apache.org>
Subject [GitHub] spark pull request #17825: [SPARK-20550][SPARKR] R wrapper for Dataset.alias
Date Fri, 05 May 2017 02:49:06 GMT
Github user zero323 commented on a diff in the pull request:

    https://github.com/apache/spark/pull/17825#discussion_r114925159
  
    --- Diff: R/pkg/R/generics.R ---
    @@ -387,6 +387,16 @@ setGeneric("value", function(bcast) { standardGeneric("value") })
     #' @export
     setGeneric("agg", function (x, ...) { standardGeneric("agg") })
     
    +#' alias
    +#'
    +#' Set a new name for a Column or a SparkDataFrame. Equivalent to SQL "AS" keyword.
    --- End diff --
    
    How about?
    
    ```
    #' Return a new Column or a SparkDataFrame with a name set. Equivalent to SQL "AS" keyword.
    ```
    Is the `Column` new?


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