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help / color / mirror / Atom feedFrom: 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: Thu, 1 Sep 2022 10:05:48 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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On 9/1/22 9:06 AM, Tomas Vondra wrote:
>
>
> On 8/30/22 15:15, Jonathan S. Katz wrote:
>> 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.
>>
>
> I know. I'll fix this by tweaking one of the cost gucs, mentioned by David.
Great -- thanks for the update!
Jonathan
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To: [email protected]
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Subject: Re: POC: GROUP BY optimization
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