Hi, rdd.flatMap( e => e._2.map( i => ( i, e._1)))
Should work, but I didn't test it so maybe I'm missing something. Paolo Inviata dal mio Windows Phone ________________________________ Da: Yifan LI<mailto:iamyifa...@gmail.com> Inviato: 04/12/2014 09:27 A: user@spark.apache.org<mailto:user@spark.apache.org> Oggetto: map function Hi, I have a RDD like below: (1, (10, 20)) (2, (30, 40, 10)) (3, (30)) … Is there any way to map it to this: (10,1) (20,1) (30,2) (40,2) (10,2) (30,3) … generally, for each element, it might be mapped to multiple. Thanks in advance! Best, Yifan LI
