Github user junyangq commented on a diff in the pull request: https://github.com/apache/spark/pull/14705#discussion_r75429434 --- Diff: R/pkg/R/generics.R --- @@ -735,6 +752,8 @@ setGeneric("between", function(x, bounds) { standardGeneric("between") }) setGeneric("cast", function(x, dataType) { standardGeneric("cast") }) #' @rdname columnfunctions +#' @param x a Column object. +#' @param ... additional argument(s). --- End diff -- It seems the functions are defined in the following way: column_functions2 <- c("like", "rlike", "getField", "getItem", "contains") createColumnFunction2 <- function(name) { setMethod(name, signature(x = "Column"), function(x, data) { if (class(data) == "Column") { data <- data@jc } jc <- callJMethod(x@jc, name, data) column(jc) }) } It seesm the functions are not exported. Perhaps we still leave it there?
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