Re: On login trigger: take three - Mailing list pgsql-hackers

On Thu, Oct 12, 2023 at 6:54 PM Alexander Korotkov <aekorotkov@gmail.com> wrote:
> On Thu, Oct 12, 2023 at 8:35 PM Robert Haas <robertmhaas@gmail.com> wrote:

> > Doesn't that mean that if you create the first login trigger in a
> > database and leave the transaction open, nobody can connect to that
> > database until the transaction ends?
>
> It doesn't mean that, because when trying to reset the flag v44 does
> conditional lock.  So, if another transaction is holding the log we
> will just skip resetting the flag.  So, the flag will be cleared on
> the first connection after that transaction ends.

But in the scenario I am describing the flag is being set, not reset.

--
Robert Haas
EDB: http://www.enterprisedb.com