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Re: Commitfest 2021-11 Patch Triage - Part 1 - Mailing list pgsql-hackers

From Tomas Vondra
Subject Re: Commitfest 2021-11 Patch Triage - Part 1
Date
Msg-id 9915c883-caf1-f918-558f-eae538b80c2d@enterprisedb.com
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In response to Commitfest 2021-11 Patch Triage - Part 1  (Daniel Gustafsson <daniel@yesql.se>)
Responses Re: Commitfest 2021-11 Patch Triage - Part 1
Re: Commitfest 2021-11 Patch Triage - Part 1
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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).

regards

-- 
Tomas Vondra
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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