Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/4115#discussion_r23240121
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/parquet/ParquetConverter.scala ---
@@ -66,7 +66,7 @@ private[sql] object CatalystConverter {
// TODO: consider using Array[T] for arrays to avoid boxing of primitive
types
type ArrayScalaType[T] = Seq[T]
- type StructScalaType[T] = Seq[T]
+ type StructScalaType[T] = Row
--- End diff --
Row used to be a Seq so why not?
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