| From: | Richard Guo <guofenglinux(at)gmail(dot)com> |
|---|---|
| To: | Li Japin <japinli(at)hotmail(dot)com> |
| Cc: | Alena Rybakina <lena(dot)ribackina(at)yandex(dot)ru>, wenhui qiu <qiuwenhuifx(at)gmail(dot)com>, 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 09:17:41 |
| Message-ID: | CAMbWs4_zfEFwxB-miGP4QkPQD-n+7G6bReM49actA+Av-Dhm0w@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
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
| Attachment | Content-Type | Size |
|---|---|---|
| v8-0001-Support-Right-Semi-Join-plan-shapes.patch | application/octet-stream | 33.0 KB |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | wenhui qiu | 2024-07-04 09:25:12 | Re: Support "Right Semi Join" plan shapes |
| Previous Message | jian he | 2024-07-04 09:16:00 | Re: Doc Rework: Section 9.16.13 SQL/JSON Query Functions |