take(1) will just give you a single item from the RDD. RDDs are not ideal for point lookups like you are doing, but you can find the element you want by doing something like:
rdd.filter(i => i.contains(target)).collect() Where target is the Int you are looking for. Nick On Sun Dec 28 2014 at 3:28:45 AM Amit Behera <amit.bd...@gmail.com> wrote: > Hi Nicholas, > > The RDD contains only one Iterable[Int]. > > Pankaj, > I used *collect* and I am getting as *items: Array[Iterable[Int]].* > > Then I did like : > > *val check = items.take(1).contains(item)* > > I am getting *check: Boolean = false, *but the item is present. > > > Thanks > Amit > > > > On Sun, Dec 28, 2014 at 8:56 AM, Pankaj <pankajnaran...@gmail.com> wrote: > >> Amit, I think you can use collect method to change RDD to Array so you >> can use array methods for the same. >> >> I think transformation functions would not allow to do that as they are >> lazily called you need to use Actions LIke collect or foreach method >> > >> On Sun, Dec 28, 2014 at 1:54 AM, Amit Behera <amit.bd...@gmail.com> >> wrote: >> >>> Hi All, >>> >>> I want to check an item is present or not in a RDD of Iterable[Int] >>> using scala >>> >>> something like in java we do : >>> >>> *list.contains(item)* >>> >>> and the statement returns true if the item is present otherwise false. >>> >>> Please help me to find the solution. >>> >>> Thanks >>> Amit >>> >>> >>
