Re: Clarification on Role Access Rights to Table Indexes

On Sun, Mar 09, 2025 at 11:48:05AM -0400, Tom Lane wrote:
> Nathan Bossart <nathandbossart(at)gmail(dot)com> writes:
>> On Sat, Mar 08, 2025 at 05:17:40PM -0500, Tom Lane wrote:
>>> ReindexIndex() faces this same problem and solves it with some
>>> very complex code that manages to get the table's lock first.
>
>> I noticed that amcheck's bt_index_check_internal() handles this problem,
>> ...
>> stats_lock_check_privileges() does something similar, but it's not as
>> cautious about the "heapid != IndexGetRelation(indrelid, false)" race
>> condition.
>
> Egad, we've already got three inconsistent implementations of this
> functionality? I think the first step must be to unify them into
> a common implementation, if at all possible.

Agreed. I worry that trying to unify each bespoke implementation into a
single function might result in an unwieldy mess, but I'll give it a
shot...

--
nathan