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 is no longer updated any more,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

Reply via email to