Re: gen_random_uuid() is immutable in Pg 13devel - Mailing list pgsql-bugs

On 2020-Feb-18, 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.

It seems an oversight to me.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
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