Yeah no problem. Its not an optimised solution but I think it gives enough understanding of how reduceGroup works. On 29-Apr-2016 5:17 PM, "Stefano Baghino" <stefano.bagh...@radicalbit.io> wrote:
> Thanks for sharing the solution, Punit. > > On Fri, Apr 29, 2016 at 1:40 PM, Punit Naik <naik.puni...@gmail.com> > wrote: > >> Anyways, I managed to do it. you should attach the following code block >> to your groupBy >> .reduceGroup { >> (in, out: org.apache.flink.util.Collector[(Map[String,String], >> Int)]) => // Map[String,String] is the data type I want to output along >> with the count as Int in a Tuple >> var v:Int = 0; >> var k:Map[String,String]=Map() >> for (t <- in) { >> v+=1; >> k=t >> } >> out.collect((k,v)) >> >> On Fri, Apr 29, 2016 at 3:59 PM, Punit Naik <naik.puni...@gmail.com> >> wrote: >> >>> I have a dataset which has maps. I have performed a groupBy on a key and >>> I want to count all the elements in a particular group. How do I do this? >>> >>> -- >>> Thank You >>> >>> Regards >>> >>> Punit Naik >>> >> >> >> >> -- >> Thank You >> >> Regards >> >> Punit Naik >> > > > > -- > BR, > Stefano Baghino > > Software Engineer @ Radicalbit >