wonook 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_r193648153
##########
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:
Looking at the original implementation of the Spark RDD class, it seems like
it doesn't use the `rdd()` method, but directly calls the lazy val. This
probably wouldn't be a problem. This seems pretty lucky.
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