Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/13758#discussion_r67745192
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/GenericArrayData.scala
---
@@ -142,3 +164,415 @@ class GenericArrayData(val array: Array[Any]) extends
ArrayData {
result
}
}
+
+final class GenericIntArrayData(private val primitiveArray: Array[Int])
--- End diff --
I think the class hierarchy is a bit off. We should make `GenericArrayData`
abstract and introduce a `GenericeRefArrayData` as a replacement for the
current `GenericArrayData`.
The downside of the introducing this many `ArrayData` classes is that
`ArrayData` operations will be mega-morphic.
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