Re: WIP: Aggregation push-down

From: Antonin Houska <ah(at)cybertec(dot)at>
To: legrand legrand <legrand_legrand(at)hotmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: WIP: Aggregation push-down
Date: 2020-02-27 08:51:41
Message-ID: 20715.1582793501@antos
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legrand legrand <legrand_legrand(at)hotmail(dot)com> wrote:

> Antonin Houska-2 wrote

> > Right now I recall two problems: 1) is the way I currently store
> > RelOptInfo for the grouped relations correct?, 2) how should we handle
> > types for which logical equality does not imply physical (byte-wise)
> > equality?
> >
> > Fortunately it seems now that I'm not the only one who cares about 2), so
> > this
> > problem might be resolved soon:
> >
> > https://www.postgresql.org/message-id/CAH2-Wzn3Ee49Gmxb7V1VJ3-AC8fWn-Fr8pfWQebHe8rYRxt5OQ%40mail.gmail.com
> >
> > But 1) still remains.
> >
>
> Hello
> would "pgsql: Add equalimage B-Tree support functions."
> https://www.postgresql.org/message-id/E1j72NY-0002gi-2B@gemulon.postgresql.org

Yes, it seems so. I'll adapt the patch soon, hopefully next week. Thanks for
reminder.

--
Antonin Houska
Web: https://www.cybertec-postgresql.com

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