| From: | Daniel Gustafsson <daniel(at)yesql(dot)se> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Commitfest 2021-11 Patch Triage - Part 1 |
| Date: | 2021-12-02 11:06:48 |
| Message-ID: | 951CCC1E-E81A-45FA-BBA4-D9A6A0F2E451@yesql.se |
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| Lists: | pgsql-hackers |
> On 6 Nov 2021, at 17:20, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> wrote:
>
> On 11/5/21 22:15, Daniel Gustafsson wrote:
>> ...
>> 1651: GROUP BY optimization
>> ===========================
>> This is IMO a desired optimization, and after all the heavy lifting by Tomas
>> the patch seems to be in pretty good shape.
>
> I agree it's desirable. To move the patch forward, I need some feedback on the costing questions, mentioned in my last review, and the overall approach to planning (considering multiple group by variants).
I'm moving this to the next CF with the hope that more feedback is received.
If you think "Ready for Committer" is a more suitable status, please do update
it as I'm leaving it in Needs Review for now not having the full context.
--
Daniel Gustafsson https://vmware.com/
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