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Security definer function to alter a sequence
4+ messages / 3 participants
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* Security definer function to alter a sequence
@ 2025-02-11 21:53 Sbob <sbob@quadratum-braccas.com>
  2025-02-11 21:57 ` Re: Security definer function to alter a sequence David G. Johnston <david.g.johnston@gmail.com>
  0 siblings, 1 reply; 4+ messages in thread

From: Sbob @ 2025-02-11 21:53 UTC (permalink / raw)
  To: pgsql-admin@lists.postgresql.org

All;


Can I create a security definer function to alter a sequence value? Or 
is this considered DDL (and thus a security definer function os not 
allowed to run it)?


Thanks in advance






^ permalink  raw  reply  [nested|flat] 4+ messages in thread

* Re: Security definer function to alter a sequence
  2025-02-11 21:53 Security definer function to alter a sequence Sbob <sbob@quadratum-braccas.com>
@ 2025-02-11 21:57 ` David G. Johnston <david.g.johnston@gmail.com>
  2025-02-11 22:57   ` Re: Security definer function to alter a sequence Sbob <sbob@quadratum-braccas.com>
  0 siblings, 1 reply; 4+ messages in thread

From: David G. Johnston @ 2025-02-11 21:57 UTC (permalink / raw)
  To: Sbob <sbob@quadratum-braccas.com>; +Cc: pgsql-admin@lists.postgresql.org

On Tue, Feb 11, 2025 at 2:53 PM Sbob <sbob@quadratum-braccas.com> wrote:

>
> Can I create a security definer function to alter a sequence value? Or
> is this considered DDL (and thus a security definer function os not
> allowed to run it)?
>
>
What makes you think it being DDL makes any difference?

David J.

^ permalink  raw  reply  [nested|flat] 4+ messages in thread

* Re: Security definer function to alter a sequence
  2025-02-11 21:53 Security definer function to alter a sequence Sbob <sbob@quadratum-braccas.com>
  2025-02-11 21:57 ` Re: Security definer function to alter a sequence David G. Johnston <david.g.johnston@gmail.com>
@ 2025-02-11 22:57   ` Sbob <sbob@quadratum-braccas.com>
  2025-02-12 07:36     ` Re: Security definer function to alter a sequence Laurenz Albe <laurenz.albe@cybertec.at>
  0 siblings, 1 reply; 4+ messages in thread

From: Sbob @ 2025-02-11 22:57 UTC (permalink / raw)
  To: David G. Johnston <david.g.johnston@gmail.com>; +Cc: pgsql-admin@lists.postgresql.org

I thought that DDL calls in a security definer function were blocked. I 
may be confused



On 2/11/25 2:57 PM, David G. Johnston wrote:
> On Tue, Feb 11, 2025 at 2:53 PM Sbob <sbob@quadratum-braccas.com> wrote:
>
>
>     Can I create a security definer function to alter a sequence
>     value? Or
>     is this considered DDL (and thus a security definer function os not
>     allowed to run it)?
>
>
> What makes you think it being DDL makes any difference?
>
> David J.
>

^ permalink  raw  reply  [nested|flat] 4+ messages in thread

* Re: Security definer function to alter a sequence
  2025-02-11 21:53 Security definer function to alter a sequence Sbob <sbob@quadratum-braccas.com>
  2025-02-11 21:57 ` Re: Security definer function to alter a sequence David G. Johnston <david.g.johnston@gmail.com>
  2025-02-11 22:57   ` Re: Security definer function to alter a sequence Sbob <sbob@quadratum-braccas.com>
@ 2025-02-12 07:36     ` Laurenz Albe <laurenz.albe@cybertec.at>
  0 siblings, 0 replies; 4+ messages in thread

From: Laurenz Albe @ 2025-02-12 07:36 UTC (permalink / raw)
  To: Sbob <sbob@quadratum-braccas.com>; David G. Johnston <david.g.johnston@gmail.com>; +Cc: pgsql-admin@lists.postgresql.org

On Tue, 2025-02-11 at 15:57 -0700, Sbob wrote:
> I thought that DDL calls in a security definer function were blocked. I may be confused

I think you are.  I am not aware of anything that is forbidden in a SECURITY DEFINER
function.  On the contrary - people usually use them to perform activities that the
calling user is not allowed to do.

Don't forget to set a "search_path" on all SECURITY DEFINER functions.

Yours,
Laurenz Albe

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^ permalink  raw  reply  [nested|flat] 4+ messages in thread


end of thread, other threads:[~2025-02-12 07:36 UTC | newest]

Thread overview: 4+ messages (download: mbox mbox.gz follow: Atom feed)
-- links below jump to the message on this page --
2025-02-11 21:53 Security definer function to alter a sequence Sbob <sbob@quadratum-braccas.com>
2025-02-11 21:57 ` David G. Johnston <david.g.johnston@gmail.com>
2025-02-11 22:57   ` Sbob <sbob@quadratum-braccas.com>
2025-02-12 07:36     ` Laurenz Albe <laurenz.albe@cybertec.at>

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