Re: regression in PG 15.1

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Scott Ribe <scott_ribe(at)elevated-dev(dot)com>
Cc: Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org>
Subject: Re: regression in PG 15.1
Date: 2022-11-28 15:15:50
Message-ID: 554068.1669648550@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-admin

Scott Ribe <scott_ribe(at)elevated-dev(dot)com> writes:
>> On Nov 28, 2022, at 7:44 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Why do you say this is a regression? From what I know of the partition
>> pruning logic (admittedly not a whole lot), I don't think we'd have
>> ever pruned on the basis of such a constraint.

> Because performance of the query tanked.

Compared to what? If you said something like "it worked as I expected
in Postgres x.y", that would be something to go on.

regards, tom lane

In response to

Responses

Browse pgsql-admin by date

  From Date Subject
Next Message Scott Ribe 2022-11-28 15:18:57 Re: regression in PG 15.1
Previous Message Scott Ribe 2022-11-28 14:57:16 Re: regression in PG 15.1