Re: PG15 beta1 sort performance regression due to Generation context change

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Rowley <dgrowleyml(at)gmail(dot)com>
Cc: Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: PG15 beta1 sort performance regression due to Generation context change
Date: 2022-05-23 22:30:30
Message-ID: 1352316.1653345030@sss.pgh.pa.us
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David Rowley <dgrowleyml(at)gmail(dot)com> writes:
> On Tue, 24 May 2022 at 10:02, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> BTW, shouldn't GenerationCheck be ifdef'd out if MEMORY_CONTEXT_CHECKING
>> isn't set? aset.c does things that way.

> Isn't it done in generation.c:954?

Ah, sorry, didn't look that far up ...

regards, tom lane

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