Github user zero323 commented on a diff in the pull request: https://github.com/apache/spark/pull/17825#discussion_r114929528 --- 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. +#' +#' @name alias +#' @rdname alias +#' @param object x a Column or a SparkDataFrame +#' @param data new name to use --- End diff -- Wouldn't be better to annotate actual implementations? To get something like this: ![image](https://cloud.githubusercontent.com/assets/1554276/25733425/295f465e-3159-11e7-87b7-d959c9bf3352.png)
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