DataStage Scenario on Finding Unique Distance from Source and Destination

Source,Destination,Distance hyd,bang,1000 delhi,chennai,1500 chennai,bang,600 bang,hyd,1000 bombay,pune,1000 bang,chennai,600 **Sorted on Distance** Source,Destination,Distance bang,chennai,600 chennai,bang,600 bang,hyd,1000 bombay,pune,1000 hyd,bang,1000 delhi,chennai,1500 **Stg Variables** PrevActualStr: ActualStr ActualStr: inp.Src:inp.Dest RevStr: inp.Dest:inp.Src isDup: if PrevActualStr = RevStr then 1 else 0 **Constraint** isDup = 0 [Constraint] The below steps will explain you, How the records will be processed to o/p based on the above...