Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/3213#discussion_r20467259
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SchemaRDD.scala ---
@@ -131,6 +134,80 @@ class SchemaRDD(
*/
lazy val schema: StructType = queryExecution.analyzed.schema
+ /** Transforms a single Row to JSON using Jackson
+ *
+ * @param jsonFactory a JsonFactory object to construct a JsonGenerator
+ * @param rowSchema the schema object used for conversion
+ * @param row The row to convert
+ */
+ private def rowToJSON(rowSchema: StructType, jsonFactory:
JsonFactory)(row: Row): String = {
--- End diff --
I was just thinking of moving the `rowToJSON` method to JsonRDD.
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