| From: | Marcos Pegoraro <marcos(at)f10(dot)com(dot)br> |
|---|---|
| To: | David Rowley <dgrowleyml(at)gmail(dot)com> |
| Cc: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Partial Mode in Aggregate Functions |
| Date: | 2026-02-26 18:15:25 |
| Message-ID: | CAB-JLwbPQ9N8RTPoc8gux6y1_ttuGbPaXz-Y1daqH2CGManCAg@mail.gmail.com |
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| Lists: | pgsql-hackers |
Em qui., 26 de fev. de 2026 às 10:03, David Rowley <dgrowleyml(at)gmail(dot)com>
escreveu:
> I've never heard anyone using "partial" for FILTER before. The blog is
from 2015, and partial aggregates got committed in 2016.
I'm not reading based on this or that commit.
I'm reading the word "partial" in english, and I see partial as a subset
of.
Look at this example [1], what does "partial" mean there ? Is it not a
filtered subset ?
So, if someone reads "Partial Mode" for the first time, what do they think?
[1] - https://www.postgresql.org/docs/current/indexes-partial.html
regards
Marcos
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