Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/15361#discussion_r84590714
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveInspectors.scala ---
@@ -246,6 +246,9 @@ private[hive] trait HiveInspectors {
* Wraps with Hive types based on object inspector.
*/
protected def wrapperFor(oi: ObjectInspector, dataType: DataType): Any
=> Any = oi match {
+ case _ if dataType.isInstanceOf[UserDefinedType[_]] =>
--- End diff --
Oh, actually, I forgot that this path is doing a pattern matching via
`ObjectInspector` not with `DataType`. I just remember I put this first for
this reason (we should check `dataType` regardless of `ObjectInspector` first).
I definitely can avoid this via fixing more than here but I guess it is
fine as it is because this is not in the critical path.
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