Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/16553#discussion_r95655634
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/UDFRegistration.scala ---
@@ -488,219 +488,241 @@ class UDFRegistration private[sql]
(functionRegistry: FunctionRegistry) extends
* @since 1.3.0
*/
def register(name: String, f: UDF1[_, _], returnType: DataType): Unit = {
+ val func = f.asInstanceOf[UDF1[Any, Any]].call(_: Any)
--- End diff --
There is commented out code above thats used to generate these functions.
We should update it or delete it.
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