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

From Jonathan S. Katz
Subject Re: POC: GROUP BY optimization
Date
Msg-id 9e564f8b-2c4b-6c6f-9334-e76e69af8f84@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 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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