| From: | "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, David Rowley <dgrowleyml(at)gmail(dot)com> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, Zhihong Yu <zyu(at)yugabyte(dot)com>, "Andrey V(dot) Lepikhov" <a(dot)lepikhov(at)postgrespro(dot)ru>, Teodor Sigaev <teodor(at)sigaev(dot)ru>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: POC: GROUP BY optimization |
| Date: | 2022-08-30 13:15:51 |
| Message-ID: | 77b83b6d-bdb4-614d-4e7d-235ee72e2599@postgresql.org |
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| Lists: | pgsql-hackers |
On 8/18/22 3:29 AM, Tomas Vondra wrote:
>
>
> On 8/18/22 03:32, David Rowley wrote:
>> Here are a couple of patches to demo the idea.
>>
>
> Yeah, that's an option too. I should have mentioned it along with the
> cpu_operator_cost.
>
> BTW would you mind taking a look at the costing? I think it's fine, but
> it would be good if someone not involved in the patch takes a look.
With RMT hat on, just a friendly reminder that this is still on the open
items list[1] -- we have the Beta 4 release next week and it would be
great if we can get this resolved prior to it.
Thanks!
Jonathan
[1] https://wiki.postgresql.org/wiki/PostgreSQL_15_Open_Items
[2]
https://www.postgresql.org/message-id/9d251aec-cea2-bc1a-5ed8-46ef0bcf6c69@postgresql.org
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