sanha commented on a change in pull request #28: [NEMO-12] Frontend support for
Scala Spark
URL: https://github.com/apache/incubator-nemo/pull/28#discussion_r193612102
##########
File path:
compiler/frontend/spark/src/main/java/edu/snu/nemo/compiler/frontend/spark/sql/Dataset.java
##########
@@ -73,6 +74,24 @@ private Dataset(final SparkSession sparkSession, final
LogicalPlan logicalPlan,
return JavaRDD.of((SparkSession) super.sparkSession(), this);
}
+ /**
+ * @return a Spark RDD from this dataset.
+ */
+ public org.apache.spark.rdd.RDD<T> sparkRDD() {
Review comment:
However, we need two separate features: returning Spark's RDD to source
vertices and returning our RDD to user programs. Especially, all RDD given to a
user program in existing Spark's methods must be our RDD. Do you have any
suggestion?
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