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From: Pavel Stehule <[email protected]>
To: Andrei Lepikhov <[email protected]>
Cc: Jack Bonatakis <[email protected]>
Cc: pgsql-hackers <[email protected]>
Cc: Bruce Momjian <[email protected]>
Cc: Andres Freund <[email protected]>
Subject: Re: Read-only connection mode for AI workflows.
Date: Thu, 19 Mar 2026 10:49:24 +0100
Message-ID: <CAFj8pRC43My_CwC8e4S+b3R6XNviK75A=q-_utoQTwABegxx1Q@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CADsUR0B9bcJQKYHyUMnWcODGzF5+AdeToawULkkTKfrq32Z-8w@mail.gmail.com>
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Hi

čt 19. 3. 2026 v 9:40 odesílatel Andrei Lepikhov <[email protected]> napsal:

> On 19/3/26 08:53, Pavel Stehule wrote:
> >     We could improve it by restricting manual calls to specific utility
> >     operations, such as VACUUM or REINDEX. However, we would need some
> >     specifications first.
> >
> >
> > It doesn't cover  possibility to set GUC by set_config function
>
> Can you explain it? I added a test for the set_config() call.
> This extension is so tiny because it exploits the rule: no ro -> rw
> switch after a snapshot has been taken (but rw -> ro is possible). The
> set_config can’t overcome this rule.
>

I am sorry. I missed so you used standard_ExecutorStart

Regards

Pavel


>
> --
> regards, Andrei Lepikhov,
> pgEdge
>


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