Sun Rui created SPARK-12794:
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Summary: Support Defining and Registration of R UDF
Key: SPARK-12794
URL: https://issues.apache.org/jira/browse/SPARK-12794
Project: Spark
Issue Type: Sub-task
Components: SparkR
Affects Versions: 1.6.0
Reporter: Sun Rui
Create UserDefinedRFunction class in Scala similar to UserDefinedPythonFunction
class.
Support registering R UDF in UDFRegistration class.
Implement udf() function in functions.R.
Implement registerFunction() in SQLContext.R.
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