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From: Sandro Santilli <[email protected]>
To: Amit Langote <[email protected]>
Cc: Tomas Vondra <[email protected]>
Cc: Junwang Zhao <[email protected]>
Cc: Pavel Stehule <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Subject: Re: Eliminating SPI / SQL from some RI triggers - take 3
Date: Thu, 9 Apr 2026 18:01:58 +0200
Message-ID: <adfNduaufvWpIqbN@oli> (raw)
In-Reply-To: <CA+HiwqHN0FQbyndiB4bApV8gEZ_tQBC_jr836HL=Mv_ZxK1+Pg@mail.gmail.com>
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On Thu, Apr 09, 2026 at 08:55:01PM +0900, Amit Langote wrote:
> Hi Sandro,
> 
> On Thu, Apr 9, 2026 at 8:07 PM Sandro Santilli <[email protected]> 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 confirm the patch attached in Evan's email [1] fixes the crash for us.

[1] https://www.postgresql.org/message-id/CAEg7pwcKf01FmDqFAf-Hzu_pYnMYScY_Otid-pe9uw3BJ6gq9g%40mail.gma...

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

I also confirm your patch v4-0001-Fix-RI-fast-path-crash-under-nested-C-level-SPI.patch
fixes the crash for us. Thank you !

Let me know when it is time to test again against master.

--strk;


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