Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/8354#discussion_r42454496
--- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveShim.scala
---
@@ -196,14 +194,8 @@ private[hive] object HiveShim {
if (instance != null) {
instance.asInstanceOf[UDFType]
} else {
- val func = Utils.getContextOrSparkClassLoader
+ Utils.getContextOrSparkClassLoader
.loadClass(functionClassName).newInstance.asInstanceOf[UDFType]
- if (!func.isInstanceOf[UDF]) {
--- End diff --
Even if the functions weren't stateless, I don't think that's an issue
because each task will get its own separate deserialized copy.
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