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
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