Github user kiszk commented on a diff in the pull request:
https://github.com/apache/spark/pull/13758#discussion_r67995936
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/GenericArrayData.scala
---
@@ -142,3 +196,414 @@ class GenericArrayData(val array: Array[Any]) extends
ArrayData {
result
}
}
+
+final class GenericIntArrayData(val primitiveArray: Array[Int]) extends
GenericArrayData {
+ override def array(): Array[Any] = primitiveArray.toArray
+
+ override def copy(): ArrayData = new GenericIntArrayData(primitiveArray)
--- End diff --
Hmm, I should clone the backing array. I should return the actual type.
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