Re: Accumulating a batch

2018-10-26 Thread Austin Cawley-Edwards
Hi Hequn, Thank you for the info! Much appreciated! Do you know if a GroupBy Window could be used to buffer until an arbitrary record came through? Best, Austin On Thu, Oct 25, 2018, 9:17 PM Hequn Cheng wrote: > Hi Austin, > > You can use GroupBy Window[1], such as TUMBLE Window. The size of t

Re: Accumulating a batch

2018-10-25 Thread Hequn Cheng
Hi Austin, You can use GroupBy Window[1], such as TUMBLE Window. The size of the window either as time or row-count interval. You can also define your own User-Defined Aggregate Functions[2] to be used in window. Best, Hequn [1] https://ci.apache.org/projects/flink/flink-docs-master/dev/table/ta