diff options
Diffstat (limited to 'R/pkg/R/DataFrame.R')
| -rw-r--r-- | R/pkg/R/DataFrame.R | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/R/pkg/R/DataFrame.R b/R/pkg/R/DataFrame.R index 044fdb4d01..861fe1c78b 100644 --- a/R/pkg/R/DataFrame.R +++ b/R/pkg/R/DataFrame.R @@ -17,7 +17,7 @@ # DataFrame.R - DataFrame class and methods implemented in S4 OO classes -#' @include generics.R jobj.R SQLTypes.R RDD.R pairRDD.R column.R group.R +#' @include generics.R jobj.R schema.R RDD.R pairRDD.R column.R group.R NULL setOldClass("jobj") @@ -1141,15 +1141,15 @@ setMethod("intersect", dataFrame(intersected) }) -#' Subtract +#' except #' #' Return a new DataFrame containing rows in this DataFrame #' but not in another DataFrame. This is equivalent to `EXCEPT` in SQL. #' #' @param x A Spark DataFrame #' @param y A Spark DataFrame -#' @return A DataFrame containing the result of the subtract operation. -#' @rdname subtract +#' @return A DataFrame containing the result of the except operation. +#' @rdname except #' @export #' @examples #'\dontrun{ @@ -1157,13 +1157,15 @@ setMethod("intersect", #' sqlCtx <- sparkRSQL.init(sc) #' df1 <- jsonFile(sqlCtx, path) #' df2 <- jsonFile(sqlCtx, path2) -#' subtractDF <- subtract(df, df2) +#' exceptDF <- except(df, df2) #' } -setMethod("subtract", +#' @rdname except +#' @export +setMethod("except", signature(x = "DataFrame", y = "DataFrame"), function(x, y) { - subtracted <- callJMethod(x@sdf, "except", y@sdf) - dataFrame(subtracted) + excepted <- callJMethod(x@sdf, "except", y@sdf) + dataFrame(excepted) }) #' Save the contents of the DataFrame to a data source |