Re: Rowtime for Table from DataStream without explixit fieldnames

2018-10-04 Thread Johannes Schulte
Thanks for the answer Dawid and the helper function, Timo it's not too bad for my use case (small number of fields), I just wanted to make sure I am not missing something here. Cheers, Johannes On Thu, Oct 4, 2018 at 5:07 PM Timo Walther wrote: > Hi Johannes, > > this is not supported so far.

Re: Rowtime for Table from DataStream without explixit fieldnames

2018-10-04 Thread Timo Walther
Hi Johannes, this is not supported so far. You could write a little helper method like the following: val s:Seq[Expression] = Types.of[WC].asInstanceOf[CaseClassTypeInfo[WC]].fieldNames.map(Symbol(_).toExpr) val s2:Seq[Expression] = s :+'rowtime.rowtime tEnv.fromDataSet(input, s2: _*) Not

Re: Rowtime for Table from DataStream without explixit fieldnames

2018-10-04 Thread Dawid Wysakowicz
Hi Johannes, I am afraid that this is currently not possible and indeed you have to pass all fields again, but Timo cced might want to correct me if I am wrong. Best, Dawid On 04/10/18 15:08, Johannes Schulte wrote: > Hi, > > when converting a DataStream (with Watermarks) to a table like > des

Rowtime for Table from DataStream without explixit fieldnames

2018-10-04 Thread Johannes Schulte
Hi, when converting a DataStream (with Watermarks) to a table like described here https://ci.apache.org/projects/flink/flink-docs-release-1.6/dev/table/streaming.html#event-time I wonder on how to use the rowtime in a following window operation _without_ explicitly specifying all field names and