rename getNumPartitions for RDD

Author: felixcheung

R/pkg/R/DataFrame.R

@@ -3429,5 +3429,5 @@ setMethod("randomSplit",
 setMethod("getNumPartitions",
           signature(x = "SparkDataFrame"),
           function(x) {
-            getNumPartitions(toRDD(x))
+            getNumPartitionsRDD(toRDD(x))
           })

R/pkg/R/RDD.R

@@ -313,7 +313,7 @@ setMethod("checkpoint",
 #' @rdname getNumPartitions
 #' @aliases getNumPartitions,RDD-method
 #' @noRd
-setMethod("getNumPartitions",
+setMethod("getNumPartitionsRDD",
           signature(x = "RDD"),
           function(x) {
             callJMethod(getJRDD(x), "getNumPartitions")