Github user zjffdu commented on a diff in the pull request: https://github.com/apache/spark/pull/9766#discussion_r83159473 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/UDFRegistration.scala --- @@ -414,6 +418,84 @@ class UDFRegistration private[sql] (functionRegistry: FunctionRegistry) extends ////////////////////////////////////////////////////////////////////////////////////////////// /** + * Register a Java UDF class using reflection, for use from pyspark + * + * @param name udf name + * @param className fully qualified class name of udf + * @param returnDataType return type of udf. If it is null, spark would try to infer + * via reflection. + */ + def registerJava(name: String, className: String, returnDataType: DataType): Unit = { --- End diff -- Fixed
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