> On Feb 22, 2023, at 10:49 AM, Jeff Davis <pg...@j-davis.com> wrote:
> 
> On Wed, 2023-02-22 at 09:27 -0800, Mark Dilger wrote:
>> Another option is to execute under the intersection of their
>> privileges, where both the definer and the invoker need the
>> privileges in order for the action to succeed.  That would be more
>> permissive than the proposed SECURITY NONE, while still preventing
>> either party from hijacking privileges of the other.
> 
> Interesting idea, I haven't heard of something like that being done
> before. Is there some precedent for that or a use case where it's
> helpful?

No current use case comes to mind, but I proposed it for event triggers one or 
two development cycles ago, to allow for non-superuser event trigger owners.  
The problems associated with allowing non-superusers to create and own event 
triggers were pretty similar to the problems being discussed in this thread.

—
Mark Dilger
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company





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