| From: | wenhui qiu <qiuwenhuifx(at)gmail(dot)com> |
|---|---|
| To: | Richard Guo <guofenglinux(at)gmail(dot)com> |
| Cc: | Li Japin <japinli(at)hotmail(dot)com>, Alena Rybakina <lena(dot)ribackina(at)yandex(dot)ru>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, vignesh C <vignesh21(at)gmail(dot)com> |
| Subject: | Re: Support "Right Semi Join" plan shapes |
| Date: | 2024-07-04 09:25:12 |
| Message-ID: | CAGjGUALapY1RnMRFJGR6akdPzxJ=ejR=AdzNCZicxDBxBED=0g@mail.gmail.com |
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| Lists: | pgsql-hackers |
Hi Richard Guo
Thank you for updating the patch.Tested on v8 , It looks good to me
Thanks
Richard Guo <guofenglinux(at)gmail(dot)com> 于2024年7月4日周四 17:18写道：
> On Fri, Jun 28, 2024 at 3:21 PM Richard Guo <guofenglinux(at)gmail(dot)com>
> wrote:
> > On Fri, Jun 28, 2024 at 2:54 PM Richard Guo <guofenglinux(at)gmail(dot)com>
> wrote:
> > > I've refined this test case further to make it more stable by using an
> > > additional filter 'a.tenthous < 5000'. Besides, I noticed a surplus
> > > blank line in ExecHashJoinImpl(). I've removed it in the v7 patch.
> >
> > BTW, I've also verified the empty-rel optimization for hash join and
> > AFAICT it works correctly for the new right-semi join.
>
> Here is a new rebase.
>
> Barring objections, I'm planning to push it soon.
>
> Thanks
> Richard
>
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