Re: More speedups for tuple deformation

From: Alexander Lakhin <exclusion(at)gmail(dot)com>
To: David Rowley <dgrowleyml(at)gmail(dot)com>
Cc: Tender Wang <tndrwang(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, John Naylor <johncnaylorls(at)gmail(dot)com>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: More speedups for tuple deformation
Date: 2026-04-01 02:00:00
Message-ID: 80aeac57-8f50-4732-a5b4-c2373c3f8149@gmail.com
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Hello David,

16.03.2026 09:01, Tender Wang wrote:
> Hi David,
>
> After c456e391138, I found a crash.

I've also found an assertion failure:
SELECT JSON_ARRAY(VALUES (('', '')));

triggers:
TRAP: failed Assert("attlen > 0 || attlen == -1"), File: "heaptuple.c", Line: 598, PID: 2582495

Could you have a look, please?

Best regards,
Alexander

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