Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/17192#discussion_r106798713
--- Diff: R/pkg/R/functions.R ---
@@ -2438,7 +2438,8 @@ setMethod("date_format", signature(y = "Column", x =
"character"),
#' from_json
#'
#' Parses a column containing a JSON string into a Column of
\code{structType} with the specified
-#' \code{schema}. If the string is unparseable, the Column will contains
the value NA.
+#' \code{schema} or array of \code{structType} if \code{asJsonArray} is
enabled. If the string
--- End diff --
for clarity, I'd suggest saying
`if \code{asJsonArray} is set to \code{TRUE}`
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