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From: Karsten Hilbert <[email protected]>
To: Tom Lane <[email protected]>
Cc: [email protected]
Subject: Re: Q on SELECT column list pushdown from view to table
Date: Wed, 26 Mar 2025 18:24:14 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>

Am Tue, Mar 25, 2025 at 06:55:34PM -0400 schrieb Tom Lane:

> Karsten Hilbert <[email protected]> writes:
> > I expected this:
>
> > 	set role "restricted-role";
> > 	-- this works:
> > 	select public_col from t_partially_private;
> > 	-- this fails: with "permission denied on table t_partially_private"
> > 	select public_col from v_partially_private;
>
> > to work but selecting from the view fails.
>
> Works fine if you don't mess with the view's security_invoker
> status.

I know but doing so was kind of the point.

The views are created by a "database owner" role having
access to all tables. Therefore, roles using the views would
normally gain access to tables they are otherwise not
allowed to read. Hence setting security to invoker made a
lot of sense at first sight ...

Perhaps I am misunderstanding the intent of the feature.

Karsten
--
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