Add support for RAPIDS accelerated Java UDFs #1714
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Signed-off-by: Jason Lowe <jlowe@nvidia.com>
abellina
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sql-plugin/src/main/scala/org/apache/spark/sql/rapids/GpuScalaUDF.scala
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* Add support for RAPIDS accelerated Java UDFs Signed-off-by: Jason Lowe <jlowe@nvidia.com> * Add lambda classname check and comments
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* Add support for RAPIDS accelerated Java UDFs Signed-off-by: Jason Lowe <jlowe@nvidia.com> * Add lambda classname check and comments
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Fixes #1635.
This extends
GpuScalaUDFto recognize RAPIDS accelerated Spark Java UDFs that are wrapped in a lambda function by Apache Spark byUDFRegistration. This allows users to provide RAPIDS accelerated implementation of their Spark Java UDFs for use in Spark viaspark.udf.registerand PySpark viaspark.udf.registerJavaFunction.A working example of a RAPIDS accelerated Spark Scala UDF is also provided, which required adding the Scala version to the udf-examples jar (and everywhere it was referenced). A unit test was added to exercise it. It was not implemented as a Python test as was done for the Hive UDFs because PySpark does not support registering Scala UDFs (it uses the Java UDF interface instead).
The RAPIDS accelerated UDF documentation has also been updated to reflect the new functionality.