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From: Fujii Masao <[email protected]>
To: Ashutosh Sharma <[email protected]>
Cc: [email protected]
Cc: [email protected]
Subject: Re: BUG #19508: pg_buffercache_pages() crashes the backend with an incompatible caller-supplied record definition
Date: Sat, 6 Jun 2026 00:38:15 +0900
Message-ID: <CAHGQGwGBNURw4mh71_oG-fR-HCAW2-aFc05RSkmPywV97K+V3A@mail.gmail.com> (raw)
In-Reply-To: <CAE9k0Pkr+KKSx4UVmrLp-ZgF1BtwoVCOHOL99MeXr81D8JnX1w@mail.gmail.com>
References: <[email protected]>
	<CAHGQGwGaC8RNeVP3A4_R1OcHJ-DrXgr2HH2UEYrt-Ueu516Gng@mail.gmail.com>
	<CAE9k0Pkr+KKSx4UVmrLp-ZgF1BtwoVCOHOL99MeXr81D8JnX1w@mail.gmail.com>

On Sat, Jun 6, 2026 at 12:29 AM Ashutosh Sharma <[email protected]> wrote:
> pg_buffercache_pages uses RETURNS SETOF RECORD whereas other
> extensions like pgstattuple define explicit IN/OUT parameters at the
> SQL level. Is there a specific reason this pattern was kept, or is it
> simply a legacy design that hasn't been modernized? Had we followed
> the IN/OUT parameter style, this sort of issue could have been
> avoided, no?

Probably yes. But if we do that, we would likely need to bump pg_buffercache
version. I'm not sure that's worthwhile just for this change.

Regards,

-- 
Fujii Masao

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