Re: Statistical aggregate functions are not working with PARTIAL aggregation

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, Rajkumar Raghuwanshi <rajkumar(dot)raghuwanshi(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Statistical aggregate functions are not working with PARTIAL aggregation
Date: 2019-05-20 13:23:46
Message-ID: CA+TgmoZStMwieas8yetOtmdMSL8ULtYx_6OaEMEY2W7CP56Gmw@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Sun, May 19, 2019 at 2:36 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> Not sure I understand the distinction you're trying to make with the
> variable renaming. The combine function is also a transition function,
> no?

Not in my mental model. It's true that a combine function is used in
a similar manner to a transition function, but they are not the same
thing.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2019-05-20 13:32:24 Re: Multivariate MCV stats can leak data to unprivileged users
Previous Message Robert Haas 2019-05-20 13:16:32 Re: [HACKERS] Unlogged tables cleanup