[GitHub] [spark] hvanhovell commented on a change in pull request #26013: [SPARK-29347][SQL] Add JSON serialization for external Rows

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hvanhovell commented on a change in pull request #26013: [SPARK-29347][SQL] Add JSON serialization for external Rows
URL: https://github.com/apache/spark/pull/26013#discussion_r331463197
 
 

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 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/Row.scala
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 @@ -501,4 +513,88 @@ trait Row extends Serializable {
   private def getAnyValAs[T <: AnyVal](i: Int): T =
     if (isNullAt(i)) throw new NullPointerException(s"Value at index $i is null")
     else getAs[T](i)
+
+  /** The compact JSON representation of this row. */
+  def json: String = compact(jsonValue)
 
 Review comment:
   Well you still need the schema. The main reason for not using Jackson generator is that we need to convert back to an internal row and this is super slow.

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