Hi,

Many thanks for your prompt reply.Your reply is very helpful to me.

Best Regards,
Yours sincerely,
Yiyun Yin

On Mon, Aug 15, 2022 at 5:45 PM Benchao Li <[email protected]> wrote:

> Hi Yiyun,
>
> IIUC, you are talking about "Runtime filter", right?
> I don't know any existing rule which is doing this for now. And I think
> this is more like a
> physical implementation, rather than a pure optimization during logical
> planning.
>
> FYI, Apache Flink has a FLIP[1] that talks about this.
>
> [1]
>
> https://cwiki.apache.org/confluence/display/FLINK/FLIP-248%3A+Introduce+dynamic+partition+pruning
>
> Yiyun Yin <[email protected]> 于2022年8月15日周一 12:01写道:
>
> > Dear,
> >     Hello, I am Yiyun Yin. I am trying to develop a data federation query
> > service using calcite, and I have a question I would like to ask.
> > <https://stackoverflow.com/posts/73352781/timeline>
> >
> >     When I use join query with calcite, how can I optimize the query plan
> > so that it can query the small table first, and then use the result of
> the
> > small table as the filter condition of the large table?
> >
> >     I am looking forward for your answers. Thank you.
> >
> >
> > Best Regards,
> > Yours sincerely,
> > Yiyun Yin
> >
>
>
> --
>
> Best,
> Benchao Li
>

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