Re: Eliminating SPI / SQL from some RI triggers - take 3

From: Amit Langote <amitlangote09(at)gmail(dot)com>
To: Sandro Santilli <strk(at)kbt(dot)io>, Tomas Vondra <tomas(at)vondra(dot)me>, Amit Langote <amitlangote09(at)gmail(dot)com>, Junwang Zhao <zhjwpku(at)gmail(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Eliminating SPI / SQL from some RI triggers - take 3
Date: 2026-04-09 11:55:01
Message-ID: CA+HiwqHN0FQbyndiB4bApV8gEZ_tQBC_jr836HL=Mv_ZxK1+Pg@mail.gmail.com
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Hi Sandro,

On Thu, Apr 9, 2026 at 8:07 PM Sandro Santilli <strk(at)kbt(dot)io> wrote:
> On Mon, Mar 02, 2026 at 01:34:41PM +0100, Tomas Vondra wrote:
> >
> > TBH I haven't noticed the memory context issue myself, I only noticed
> > because the builds with index prefetch started crashing.
>
> We're getting a crash in PostGIS too, since that commit was merged into
> the master branch, see https://trac.osgeo.org/postgis/ticket/6066
>
> The crash is triggered a C function using SPI.

Evan Montgomery-Recht posted a report of the same issue on this thread
a couple of days ago.

I have posted a patch to fix the issue, which I will commit tomorrow
after a bit more testing.

--
Thanks, Amit Langote

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