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From: Jonathan S. Katz <[email protected]>
To: Tomas Vondra <[email protected]>
To: David Rowley <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: Zhihong Yu <[email protected]>
Cc: Andrey V. Lepikhov <[email protected]>
Cc: Teodor Sigaev <[email protected]>
Cc: Tomas Vondra <[email protected]>
Cc: PostgreSQL Developers <[email protected]>
Subject: Re: POC: GROUP BY optimization
Date: Tue, 30 Aug 2022 09:15:51 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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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/[email protected]


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