Hi,

Maybe you can use CURRENT_WATERMARK()[1]  to handle some late data.


[1]
https://nightlies.apache.org/flink/flink-docs-master/docs/dev/table/functions/systemfunctions/


Best,
Weihua


On Tue, Feb 21, 2023 at 1:46 PM wang <24248...@163.com> wrote:

> Hi dear engineers,
>
>   One question as title: Whether Flink SQL window operations support
> "Allow Lateness and SideOutput"?
>
>   Just as supported in Datastream api (allowedLateness
> and sideOutputLateData) like:
>
>     SingleOutputStreamOperator<> sumStream = dataStream.keyBy()
> .timeWindow()
>                                                                .
> allowedLateness(Time.minutes(1))
>                                                                .
> sideOutputLateData(outputTag)
>                                                                .sum();
>
> Thanks && Regards,
> Hunk
>
>

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