Github user MaxGekk commented on a diff in the pull request: https://github.com/apache/spark/pull/20849#discussion_r175282099 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/json/JSONOptions.scala --- @@ -85,6 +85,12 @@ private[sql] class JSONOptions( val multiLine = parameters.get("multiLine").map(_.toBoolean).getOrElse(false) + /** + * Standard charset name. For example UTF-8, UTF-16 and UTF-32. + * If charset is not specified (None), it will be detected automatically. --- End diff -- ok. How this one helps to solve the problem that I am trying to solve by this PR: jackson's charset auto-detection mechanism can fail on even UTF-8 encoding and can infer wrong charset (see https://github.com/apache/spark/pull/20302) due to many reasons. And an user doesn't have any possibilities to fix the issue and bypass the auto-detection.
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