Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/20937#discussion_r179951972 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/json/JSONOptions.scala --- @@ -86,14 +85,34 @@ private[sql] class JSONOptions( val multiLine = parameters.get("multiLine").map(_.toBoolean).getOrElse(false) - val lineSeparator: Option[String] = parameters.get("lineSep").map { sep => - require(sep.nonEmpty, "'lineSep' cannot be an empty string.") - sep + /** + * A string between two consecutive JSON records. + */ + val lineSeparator: Option[String] = parameters.get("lineSep") + + /** + * Standard encoding (charset) name. For example UTF-8, UTF-16LE and UTF-32BE. + * If the encoding is not specified (None), it will be detected automatically. + */ + val encoding: Option[String] = parameters.get("encoding") + .orElse(parameters.get("charset")).map { enc => + val blacklist = List("UTF16", "UTF32") --- End diff -- I believe we use `Seq` if there isn't specific reason for `List`.
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