| From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
|---|---|
| To: | Masahiro Ikeda <ikedamsh(at)oss(dot)nttdata(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, Tomas Vondra <tomas(at)vondra(dot)me> |
| Subject: | Re: Avoiding superfluous buffer locking during nbtree backwards scans |
| Date: | 2024-11-12 15:55:02 |
| Message-ID: | CAH2-WznFkEs9K1PtNruti5JjawY-dwj+gkaEh_k1ZE+1xLLGkA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, Nov 10, 2024 at 11:36 PM Masahiro Ikeda
<ikedamsh(at)oss(dot)nttdata(dot)com> wrote:
> Thanks! The change made it easier for me to understand.
As follow-up to all of the recent work in this area, I'd like to add
this wrapper function to return the next item from so->currPos.
The wrapper function has extra assertions, compared to what we do
already. It's slightly more defensive, and IMV slightly clearer.
--
Peter Geoghegan
| Attachment | Content-Type | Size |
|---|---|---|
| v1-0001-Use-_bt_returnitem-wrapper-function.patch | application/octet-stream | 4.5 KB |
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