Thanks, Paolo and Mark. :)
> On 04 Dec 2014, at 11:58, Paolo Platter <paolo.plat...@agilelab.it> wrote: > > 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 > > > > >
