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From: David G. Johnston <[email protected]>
To: Tom Lane <[email protected]>
Cc: Ayush Vatsa <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: Clarification on Role Access Rights to Table Indexes
Date: Mon, 17 Feb 2025 15:17:26 -0700
Message-ID: <CAKFQuwZThU_Z-Zw+3mr+ecp1BVOw777dp3nXU5-wTVk3kS10gw@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CACX+KaMz2ZoOojh0nQ6QNBYx8Ak1Dkoko=D4FSb80BYW+o8CHQ@mail.gmail.com>
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	<[email protected]>

On Mon, Feb 17, 2025 at 3:02 PM Tom Lane <[email protected]> wrote:

> Ayush Vatsa <[email protected]> writes:
> > Thanks Robert for confirming, let me submit a patch to fix the same.
>
> Well, the first thing you need is consensus on what the behavior
> should be instead.
>
> I have a very vague recollection that we concluded that SELECT
> privilege was a reasonable check because if you have that you
> could manually prewarm by reading the table.  That would lead
> to the conclusion that the minimal fix is to look at the owning
> table's privileges instead of the index's own privileges.
>

I feel like if you can blow up the cache by loading an entire table into
memory with just select privilege on the table we should be ok with
allowing the same person to name an index on the same table and load it
into the cache too.

David J.


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