Tips: The documentation in https://ci.apache.org/projects/flink <https://ci.apache.org/projects/flink> is no longer updated any more, The new documentation site is https://nightlies.apache.org/flink/ <https://nightlies.apache.org/flink/> , please use the new one.
Best, Leonard > 在 2021年10月29日,10:41,Caizhi Weng <tsreape...@gmail.com> 写道: > > Hi! > > Window join in Flink SQL is supported since Flink 1.14, see document [1]. > > [1] > https://nightlies.apache.org/flink/flink-docs-release-1.14/docs/dev/table/sql/queries/window-join/ > > <https://nightlies.apache.org/flink/flink-docs-release-1.14/docs/dev/table/sql/queries/window-join/> > Lu Niu <qqib...@gmail.com <mailto:qqib...@gmail.com>> 于2021年10月29日周五 上午2:12写道: > Hi, Flink users > > How to express multiple stream window join in flink sql? in datastream api, > that's > stream.join(otherStream) > .where(<KeySelector>) > .equalTo(<KeySelector>) > .window(<WindowAssigner>) > .apply(<JoinFunction>) > (https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/datastream/operators/joining/ > > <https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/datastream/operators/joining/> > ) > > For example, in flinksql, how to join two streams in tumbling window and > evaluate a udf joinFunction? > > Best > Lu