Hi, Xu, The FLIP mentions that currently three types of Windows are supported: GlobalWindow, TimeWindow, and SessionWindow. Is custom Window not supported on Window extension?
Best, Junrui wenjin <wenjin...@gmail.com> 于2025年1月10日周五 10:42写道： > Hi, Xu > > I've noticed that the Window API provided in the FLIP differs > significantly from the one on DataStream V1. For example, it introduces the > definition of the Window lifecycle and allows users to decide whether to > store input records within the Window. > What are the advantages of designing the interface this way? > > Best, > Wenjin Xie > > On 2025/01/07 16:10:59 Xu Huang wrote: > > Hi Devs, > > > > > > Weijie Guo and I would like to initiate a discussion about FLIP-501: > > Support Window Extension in DataStream V2 API [1]. > > > > Window are at the heart of processing infinite streams. Window split the > > stream into "buckets" of finite size, over which we can apply > computations. > > For example, time windows are used to aggregate data within specific time > > intervals. > > > > The goal of this FLIP is to provide Window extension for DataStream V2, > > thereby enhancing its data processing capabilities and usability. > > > > For more details, please refer to FLIP-501 [1]. We look forward to your > > feedback. > > > > > > Best, > > > > Xu Huang > > > > > > [1] https://cwiki.apache.org/confluence/x/z4kgF > >
