| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | John Naylor <john(dot)naylor(at)enterprisedb(dot)com> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, David Rowley <dgrowleyml(at)gmail(dot)com> |
| Subject: | Re: First draft of the PG 15 release notes |
| Date: | 2022-07-14 15:15:26 |
| Message-ID: | YtAzDpzRr+XClgxr@momjian.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Thu, Jul 14, 2022 at 01:24:41PM +0700, John Naylor wrote:
> Regarding this item:
>
> "Allow hash lookup for NOT IN clauses with many constants (David Rowley, James
> Coleman)
> Previously the code always sequentially scanned the list of values."
>
> The todo list has an entry titled "Planning large IN lists", which links to
>
> https://www.postgresql.org/message-id/1178821226.6034.63.camel@goldbach
>
> Did we already have a hash lookup for IN clauses with constants and the above
> commit adds NOT IN? If so, maybe we have enough to remove this todo item.
Agreed, I have removed it now.
--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com
Indecision is a decision. Inaction is an action. Mark Batterson
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Tom Lane | 2022-07-14 15:24:49 | Re: EINTR in ftruncate() |
| Previous Message | tushar | 2022-07-14 14:53:37 | Re: replacing role-level NOINHERIT with a grant-level option |