Re: Expand applicability of aggregate's sortop optimization - Mailing list pgsql-hackers

From Andrei Lepikhov
Subject Re: Expand applicability of aggregate's sortop optimization
Date
Msg-id fd025d80-568a-49e2-b286-f757e6533f39@gmail.com
Whole thread Raw
In response to Re: Expand applicability of aggregate's sortop optimization  (Matthias van de Meent <boekewurm+postgres@gmail.com>)
List pgsql-hackers
On 18/7/2024 14:49, Matthias van de Meent wrote:
> Aside: Arguably, checking for commutator operators would not be
> incorrect when looking at it from "applied operators" point of view,
> but if that commutative operator isn't registered as opposite ordering
> of the same btree opclass, then we'd probably break some assumptions
> of some aggregate's sortop - it could be registered with another
> opclass, and that could cause us to select a different btree opclass
> (thus: ordering) than is indicated to be required by the aggregate;
> the thing we're trying to protect against here.
Hi,
This thread stands idle. At the same time, the general idea of this 
patch and the idea of utilising prosupport functions look promising. Are 
you going to develop this feature further?

-- 
regards, Andrei Lepikhov




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