[GitHub] spark pull request: [SPARK-9034] [SQL] Reflect field names defined...

[navis <gi...@git.apache.org>]

Github user navis commented on a diff in the pull request:

    https://github.com/apache/spark/pull/8456#discussion_r43590635
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala ---
    @@ -1119,7 +1119,8 @@ class DataFrame private[sql](
       def explode[A <: Product : TypeTag](input: Column*)(f: Row => TraversableOnce[A]): DataFrame = {
         val schema = ScalaReflection.schemaFor[A].dataType.asInstanceOf[StructType]
     
    -    val elementTypes = schema.toAttributes.map { attr => (attr.dataType, attr.nullable) }
    +    val elementTypes = schema.toAttributes.map {
    +      attr => (attr.dataType, attr.nullable, Some(attr.name)) }
    --- End diff --
    
    Done. Also changed generatorOutput to null in explode(string, string).


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