Re: Extension security improvement: Add support for extensions with an owned schema

From: Jelte Fennema-Nio <me(at)jeltef(dot)nl>
To: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
Cc: Jeff Davis <pgsql(at)j-davis(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Extension security improvement: Add support for extensions with an owned schema
Date: 2024-06-20 11:18:03
Message-ID: CAGECzQTOJrnnJkmMe9nems0jouiKUbFcEb1rb9kE_svsAZiGQg@mail.gmail.com
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On Wed, 19 Jun 2024 at 17:22, David G. Johnston
<david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
>
> On Wed, Jun 19, 2024 at 8:19 AM Jelte Fennema-Nio <me(at)jeltef(dot)nl> wrote:
>
>>
>> Because part of it would
>> only be relevant once we support upgrading from PG18. So for now the
>> upgrade_code I haven't actually run.
>
>
> Does it apply against v16? If so, branch off there, apply it, then upgrade from the v16 branch to master.

I realized it's possible to do an "upgrade" with pg_upgrade from v17
to v17. So I was able to test both the pre and post PG18 upgrade logic
manually by changing the version in this line:

if (fout->remoteVersion >= 180000)

As expected the new pg_upgrade code was severely broken. Attached is a
new patch where the pg_upgrade code now actually works.

Attachment Content-Type Size
v3-0001-Add-support-for-extensions-with-an-owned-schema.patch application/octet-stream 30.8 KB

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