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> On Feb 6, 2016, at 4:41 PM, KhajaAsmath Mohammed <mdkhajaasm...@gmail.com> > wrote: > > Hi, > > My req is to find max value of revenue per customer so I am using below > query. I got this solution from one of tutorial in google but not able to > understand how it returns max in this scenario. can anyone hep > > revenuePerDayPerCustomerMap.reduceByKey((x, y) => (if(x._2 >= y._2) x else y)) > > ((2013-12-27 00:00:00.0),(62962,199.98)) > ((2013-12-27 00:00:00.0),(62962),299.98)) > > > why doesn't the below statement work to get max? > > x._1>=y._1 ? btw, what is value of x._1,x._2,y._1,y._2 in this scenario. > > Thanks and waiting for your responses. > > Regards, > Asmath --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org