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Subject: Re: Add null check on get_tablespace_name() return in
 pg_get_database_ddl_internal
From: Chao Li <li.evan.chao@gmail.com>
In-Reply-To: 
 <CAHg+QDd4mVPTT1P1E8o1k+2UzHkp55595v2GWpm9dENRwJCuYQ@mail.gmail.com>
Date: Thu, 23 Apr 2026 08:03:08 +0800
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
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Message-Id: <48F28858-660B-4A70-90D2-C4FF45D9E341@gmail.com>
References: 
 <CAHg+QDd4mVPTT1P1E8o1k+2UzHkp55595v2GWpm9dENRwJCuYQ@mail.gmail.com>
To: SATYANARAYANA NARLAPURAM <satyanarlapuram@gmail.com>
Archived-At: 
 <https://www.postgresql.org/message-id/48F28858-660B-4A70-90D2-C4FF45D9E341%40gmail.com>
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> On Apr 23, 2026, at 06:20, SATYANARAYANA NARLAPURAM =
<satyanarlapuram@gmail.com> wrote:
>=20
> Hi Hackers,
>=20
> A concurrent tablespace drop could lead to null deref in =
pg_get_database_ddl. I acknowledge this is a corner case. Adding a patch =
to fix this to keep the code clean.
>=20
> Thanks,
> Satya
> =
<0001-Fix-NULL-deref-in-pg_get_database_ddl-on-concurrent-tablespace-drop.=
patch>

This is a dup of my recent patch, see [1].

[1] =
https://www.postgresql.org/message-id/573E45C1-31A4-4885-A00C-1A2171159A2A=
%40gmail.com

Best regards,
--
Chao Li (Evan)
HighGo Software Co., Ltd.
https://www.highgo.com/