Sun Rui 40984f6706 [SPARK-12792] [SPARKR] Refactor RRDD to support R UDF. ... Refactor RRDD by separating the common logic interacting with the R worker to a new class RRunner, which can be used to evaluate R UDFs. Now RRDD relies on RRuner for RDD computation and RRDD could be reomved if we want to remove RDD API in SparkR later. Author: Sun Rui <rui.sun@intel.com> Closes #10947 from sun-rui/SPARK-12792.		2016-03-28 10:14:28 -07:00
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testthat	[SPARK-12792] [SPARKR] Refactor RRDD to support R UDF.	2016-03-28 10:14:28 -07:00