Re: Support getrandom() for pg_strong_random() source

On Thu, Oct 9, 2025 at 5:11 PM Jacob Champion
<jacob.champion@enterprisedb.com> wrote:
>
> On Thu, Oct 9, 2025 at 4:53 PM Masahiko Sawada <sawada.mshk@gmail.com> wrote:
> > Does it mean that we introduce something like pg_fast_random() and
> > packagers can select it as the random number generation function
> > instead of pg_strong_random()? Or can packagers select the function
> > used in pg_strong_random()?
>
> The latter -- packagers should be able to select the implementation of
> pg_strong_random(). I think pg_fast_random() is likely to be a bad
> abstraction if we don't have more use cases to guide it.

Thank you for the clarification.

>
> > All of these sound reasonable to me. I think we can handle this as two
> > separate discussions: one for the UUID implementation changes, and
> > another for the pg_strong_random() modifications (which would cover
> > both the runtime switching for superusers and the compile-time
> > alternatives for packagers).
>
> Sounds good to me. (Which would you like this thread to be?)

I think the second item fits better with the current thread's subject.
Having said that, these two items are somewhat related (for example,
adding getrandom() support would be a common change for both), so
perhaps we can start with the pg_strong_random() changes in this
thread?

Regards,

--
Masahiko Sawada
Amazon Web Services: https://aws.amazon.com