Sun Rui created SPARK-14746:
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Summary: Support transformations in R source code for
Dataset/DataFrame
Key: SPARK-14746
URL: https://issues.apache.org/jira/browse/SPARK-14746
Project: Spark
Issue Type: New Feature
Components: SparkR, SQL
Reporter: Sun Rui
there actually is a desired scenario mentioned several times in the Spark
mailing list that users are writing Scala/Java Spark applications (not SparkR)
but want to use R functions in some transformations. typically this can be
achieved by calling Pipe() in RDD. However, there are limitations on pipe(). So
we can support applying a R function in source code format to a
Dataset/DataFrame (Thus SparkR is not needed for serializing an R function.)
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