Github user marmbrus commented on a diff in the pull request: https://github.com/apache/spark/pull/448#discussion_r12303651 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/api/java/JavaSchemaRDD.scala --- @@ -45,4 +48,141 @@ class JavaSchemaRDD( override def wrapRDD(rdd: RDD[Row]): JavaRDD[Row] = JavaRDD.fromRDD(rdd) val rdd = baseSchemaRDD.map(new Row(_)) + + override def toString: String = baseSchemaRDD.toString + + // ======================================================================= + // Base RDD functions that do NOT change schema + // ======================================================================= + + // Common RDD functions + + /** Persist this RDD with the default storage level (`MEMORY_ONLY`). */ + def cache(): this.type = { --- End diff -- It might be safer, clearer to use the explicit type here. Only for the Java stuff though.
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