Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/18458#discussion_r124706681
--- Diff: R/pkg/R/functions.R ---
@@ -2156,28 +2178,23 @@ setMethod("date_format", signature(y = "Column", x
= "character"),
column(jc)
})
-#' from_json
-#'
-#' Parses a column containing a JSON string into a Column of
\code{structType} with the specified
-#' \code{schema} or array of \code{structType} if \code{as.json.array} is
set to \code{TRUE}.
-#' If the string is unparseable, the Column will contains the value NA.
+#' @details
+#' \code{from_json}: Parses a column containing a JSON string into a
Column of \code{structType}
+#' with the specified \code{schema} or array of \code{structType} if
\code{as.json.array} is set
+#' to \code{TRUE}. If the string is unparseable, the Column will contains
the value NA.
--- End diff --
btw, `will contains the value NA.` is very consistently documented. in this
case this is right, but there are many other that says the value is `null`
(note lower case) which isn't quite correct on the R side.
another project? :)
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