cloud-fan commented on code in PR #40394:
URL: https://github.com/apache/spark/pull/40394#discussion_r1136440921


##########
sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveUDFs.scala:
##########
@@ -235,6 +210,36 @@ private[hive] case class HiveGenericUDF(
   }
 }
 
+class HiveGenericUDFEvaluator(
+    funcWrapper: HiveFunctionWrapper, children: Seq[Expression])
+  extends HiveInspectors
+  with Serializable {
+
+  @transient
+  private[hive] lazy val function = funcWrapper.createFunction[GenericUDF]()
+
+  @transient
+  private[hive] lazy val argumentInspectors = children.map(toInspector)
+
+  @transient
+  private[hive] lazy val returnInspector = {

Review Comment:
   ```suggestion
     lazy val returnInspector = {
   ```



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