Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/18114#discussion_r123419433 --- Diff: R/pkg/R/functions.R --- @@ -2414,20 +2396,23 @@ setMethod("from_json", signature(x = "Column", schema = "structType"), column(jc) }) -#' from_utc_timestamp -#' -#' Given a timestamp, which corresponds to a certain time of day in UTC, returns another timestamp -#' that corresponds to the same time of day in the given timezone. +#' @details +#' \code{from_utc_timestamp}: Given a timestamp, which corresponds to a certain time of day in UTC, +#' returns another timestamp that corresponds to the same time of day in the given timezone. #' -#' @param y Column to compute on. -#' @param x time zone to use. +#' @rdname column_datetime_diff_functions #' -#' @family date time functions -#' @rdname from_utc_timestamp -#' @name from_utc_timestamp -#' @aliases from_utc_timestamp,Column,character-method +#' @aliases from_utc_timestamp from_utc_timestamp,Column,character-method #' @export -#' @examples \dontrun{from_utc_timestamp(df$t, 'PST')} +#' @examples +#' +#' \dontrun{ +#' tmp <- mutate(df, from_utc = from_utc_timestamp(df$time, 'PST'), +#' to_utc = to_utc_timestamp(df$time, 'PST'), +#' to_unix = unix_timestamp(df$time), +#' to_unix2 = unix_timestamp(df$time, 'yyyy-MM-dd HH'), +#' from_unix = from_unixtime(unix_timestamp(df$time))) --- End diff -- Actually, what I found was the documentation for `unix_timestamp` and `from_unixtime` was in `column_datetime_functions` but the examples in `column_datetime_diff_functions`.
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