GitHub user linbojin opened a pull request: https://github.com/apache/spark/pull/16276
[SPARK-18855][CORE] Add RDD flatten function ## What changes were proposed in this pull request? Added a new flatten function for RDD. ## How was this patch tested? Unit tests inside RDDSuite and manually tests: ``` scala> val rdd = sc.makeRDD(List(List(1, 2, 3), List(4, 5), List(6))) rdd: org.apache.spark.rdd.RDD[List[Int]] = ParallelCollectionRDD[0] at makeRDD at <console>:24 scala> rdd.flatten.collect res0: Array[Int] = Array(1, 2, 3, 4, 5, 6) ``` You can merge this pull request into a Git repository by running: $ git pull https://github.com/linbojin/spark SPARK-18855-add-rdd-flatten Alternatively you can review and apply these changes as the patch at: https://github.com/apache/spark/pull/16276.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #16276 ---- commit 2c0903ac07367cf203e4b1ed6bf4ac1894976ec9 Author: linbojin <linbojin...@gmail.com> Date: 2016-12-14T06:04:48Z add RDD flatten function and tests ---- --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org