Jeff Zhang created SPARK-11775:
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Summary: Allow PySpark to register Java UDF
Key: SPARK-11775
URL: https://issues.apache.org/jira/browse/SPARK-11775
Project: Spark
Issue Type: New Feature
Components: PySpark, SQL
Reporter: Jeff Zhang
Currently pyspark can only call the builtin java UDF, but can not call custom
java UDF. It would be better to allow that. 2 benefits:
* Leverage the power of rich third party java library
* Improve the performance. Because if we use python UDF, python daemons will be
started on worker which will affect the performance.
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