Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/20937#discussion_r179951938 --- 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.") --- End diff -- Seems this nonempty requirement is removed. Did I miss something or was it mistake?
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