Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/23184#discussion_r238056921 --- Diff: R/pkg/R/functions.R --- @@ -202,8 +202,9 @@ NULL #' \itemize{ #' \item \code{from_json}: a structType object to use as the schema to use #' when parsing the JSON string. Since Spark 2.3, the DDL-formatted string is -#' also supported for the schema. -#' \item \code{from_csv}: a DDL-formatted string +#' also supported for the schema. Since Spark 3.0, \code{schema_of_json} or +#' a string literal can also be accepted. --- End diff -- Basically yea same. The only difference is it allows takes a string literal (not only string). Let me try to clarify it.
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