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Posted to user@flink.apache.org by lec ssmi <sh...@gmail.com> on 2020/04/29 05:40:33 UTC

Late data acquisition

Hi:
    can we get data later than watermark  in sql ?

Best
Lec Ssmi

Re: Late data acquisition

Posted by Jark Wu <im...@gmail.com>.

Hi,

Currently, Flink SQL doesn't support to get late data. But you can do that
by bridging SQL Table to DataStream.
And use DataStream's window functionality which supports
`sideOutputLateData` method [1].

Best,
Jark

[1]:
https://ci.apache.org/projects/flink/flink-docs-master/dev/stream/operators/windows.html

On Wed, 29 Apr 2020 at 13:41, lec ssmi <sh...@gmail.com> wrote:

> Hi:
>     can we get data later than watermark  in sql ?
>
> Best
> Lec Ssmi
>