Re: POC: GROUP BY optimization

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