Github user actuaryzhang commented on a diff in the pull request:
https://github.com/apache/spark/pull/18114#discussion_r123327963
--- Diff: R/pkg/R/functions.R ---
@@ -1801,29 +1819,18 @@ setMethod("to_json", signature(x = "Column"),
column(jc)
})
-#' to_timestamp
-#'
-#' Converts the column into a TimestampType. You may optionally specify a
format
-#' according to the rules in:
+#' @section Details:
+#' \code{to_timestamp}: Converts the column into a TimestampType. You may
optionally specify
+#' a format according to the rules in:
#'
\url{http://docs.oracle.com/javase/tutorial/i18n/format/simpleDateFormat.html}.
#' If the string cannot be parsed according to the specified format (or
default),
#' the value of the column will be null.
#' By default, it follows casting rules to a TimestampType if the format
is omitted
#' (equivalent to \code{cast(df$x, "timestamp")}).
#'
-#' @param x Column to parse.
-#' @param format string to use to parse x Column to TimestampType.
(optional)
-#'
-#' @rdname to_timestamp
-#' @name to_timestamp
-#' @family date time functions
-#' @aliases to_timestamp,Column,missing-method
+#' @rdname column_datetime_functions
+#' @aliases to_timestamp to_timestamp,Column,missing-method
#' @export
-#' @examples
-#' \dontrun{
-#' to_timestamp(df$c)
-#' to_timestamp(df$c, 'yyyy-MM-dd')
--- End diff --
Added back.
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