On 2020-02-18 19:54, hubert depesz lubaczewski wrote:
> Hi,
> I noticed that get_random_uuid() from pgcrypt is marked as immutable.
>
> Up to 12.2 it was volatile, and in 13 it became immutable.
>
> This leads to "interesting" change, that:
>
> select gen_random_uuid() from generate_series(1,10);
>
> returns 10 different uuids before 13, and 10 identical ones on 13devel.
>
> It looks that commit 5925e5549890416bcf588334d9d0bc99f8ad6c7f forgot to
> mark the function as volatile. Not sure if it was intentional.
Fixed, thanks.
It was indeed the result of confusion about the default value.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
