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From: Zsolt Parragi <[email protected]>
To: [email protected]
Subject: Re: BUG #19382: Server crash at __nss_database_lookup
Date: Mon, 6 Jul 2026 15:16:53 -0700
Message-ID: <CAN4CZFM99uKZgZ8fY1vDPTMvmL5MVb19JRiOq95hZ-BUN28kiw@mail.gmail.com> (raw)
In-Reply-To: <CAOVWO5p5vUZVeRVTANoHY-CpD1L5szk96aKX5hDW-woyOH7DVA@mail.gmail.com>
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Hello!

The following still reproduces the crash with the patch:

create type foo as (a int, b int);
create function bar_rec() returns record as $$
declare r record;
begin
  r := row(123, power(2,30)::int4)::foo;
  alter type foo alter attribute b type text;
  return r;
end $$ language plpgsql;
select bar_rec();

And also, shouldn't the following still work?

create type inn2 as (x int, y int);
create type out2 as (a int, b inn2);
create function fp_test() returns out2 as $$
declare r out2;
begin
  r := row(1, row(10, 20)::inn2)::out2;
  alter type inn2 alter attribute y type text;
  r := row(1, row(10, 'hello')::inn2)::out2;
  return r;
end $$ language plpgsql;
select fp_test();
-- ERROR: cannot return record variable "r" after composite type
"inn2" was altered

but it only uses out2.

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  Subject: Re: BUG #19382: Server crash at __nss_database_lookup
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