W dniu 2020-02-27 o 12:35, sivapostgres(at)yahoo(dot)com pisze:
> I need to prevent other users from entering any transaction till I finish taking reports from my
> application. All users will be using the same application, from which this report is supposed to
> be printed.
>
maybe advisory lock is what you need?
https://www.postgresql.org/docs/current/explicit-locking.html#ADVISORY-LOCKS