Hi, Flavio IMO, the current DataStream API is not aligned with DataSet in terms of capabilities, I think you can try it with GlobalWindow. Another possible solution is to convert the DataStream to a table[1] first and then try it with a join on the Table API.
[1] https://nightlies.apache.org/flink/flink-docs-master/docs/dev/table/tableapi/ Best, Ron Flavio Pompermaier <pomperma...@okkam.it> 于2023年8月8日周二 00:23写道： > Hello everybody, > I have a use case where I need to exclude from a DataStream (that is > technically a DataSet since I work in batch mode) all already-indexed > documents. > My idea is to perfrom an outer join but I didn't find any simple example > on DataStream working on batch mode..I've tried using coGroup() but then it > requires me to specify a windows strategy..in batch mode I would't expect > that..can I use global window? > > Thanks in advance, > Flavio >
