Re: assign time attribute after first window group when using Flink SQL

This sounds like a windowed join between the raw stream and the aggregated stream. It might be possible to do the "lookup" in the second raw stream with another windowed join. If not, you can fall back to the DataStream API / ProcessFunction and implement the lookup logic as you need it. Best,

Re: assign time attribute after first window group when using Flink SQL

Thanks Fabian. I tried to use "rowtime" and Flink tells me below exception: *Exception in thread "main" org.apache.flink.table.api.ValidationException: SlidingGroupWindow('w2, 'end, 150.rows, 1.rows) is invalid: Event-time grouping windows on row intervals in a stream environment are currently

Re: assign time attribute after first window group when using Flink SQL

Sorry, I forgot to CC the user mailing list in my reply. 2018-04-12 17:27 GMT+02:00 Fabian Hueske : > Hi, > > Assuming you are using event time, the right function to generate a row > time attribute from a window would be "w1.rowtime" instead of "w1.start". > > The reason why