Re: gen_random_uuid() is immutable in Pg 13devel
Alvaro Herrera <alvherre@2ndquadrant.com>
From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: hubert depesz lubaczewski <depesz@depesz.com>
Cc: pgsql-bugs mailing list <pgsql-bugs@postgresql.org>, Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Date: 2020-02-18T19:01:33Z
Lists: 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/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
Commits
-
Set gen_random_uuid() to volatile
- 2ed19a488edb 13.0 landed
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Add gen_random_uuid function
- 5925e5549890 13.0 cited