On Thursday, May 13, 2021, Pól Ua Laoínecháin <linehanp(at)tcd(dot)ie> wrote:
>
> Am I wrong about this?
>
Transaction isolation levels are immaterial here. The functions define
what time they return:
https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-CURRENT
David J.