Github user junyangq commented on a diff in the pull request: https://github.com/apache/spark/pull/14705#discussion_r75429536 --- Diff: R/pkg/R/DataFrame.R --- @@ -2464,8 +2489,10 @@ setMethod("unionAll", #' Union two or more SparkDataFrames. This is equivalent to `UNION ALL` in SQL. #' Note that this does not remove duplicate rows across the two SparkDataFrames. #' -#' @param x A SparkDataFrame -#' @param ... Additional SparkDataFrame +#' @param x a SparkDataFrame. +#' @param ... additional SparkDataFrame(s). +#' @param deparse.level currently not used (put here to match the signature of --- End diff -- Here is in accordance with the order of arguments in function declaration.
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