Re: POC: GROUP BY optimization - Mailing list pgsql-hackers

From Jonathan S. Katz
Subject Re: POC: GROUP BY optimization
Date
Msg-id 77b83b6d-bdb4-614d-4e7d-235ee72e2599@postgresql.org
Whole thread Raw
In response to Re: POC: GROUP BY optimization  (Tomas Vondra <tomas.vondra@enterprisedb.com>)
Responses Re: POC: GROUP BY optimization
List 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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