Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/16981#discussion_r101968164 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/jsonExpressions.scala --- @@ -482,6 +482,15 @@ case class JsonTuple(children: Seq[Expression]) /** * Converts an json input string to a [[StructType]] with the specified schema. */ +// scalastyle:off line.size.limit +@ExpressionDescription( + usage = "_FUNC_(jsonStr, schema[, options]) - Returns a struct value with the given `jsonStr` and `schema`.", + extended = """ + Examples: + > SELECT _FUNC_('{"a":1}', '{"type":"struct", "fields":[{"name":"a", "type":"integer", "nullable":true}]}'); --- End diff -- @gatorsmile, do you mind if I ask to elaborate what you think wtih `named_struct`? I am just curious.
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