pá 3. 2. 2023 v 20:42 odesílatel Corey Huinker <corey.huin...@gmail.com> napsal:
> > > On Fri, Feb 3, 2023 at 9:56 AM Pavel Stehule <pavel.steh...@gmail.com> > wrote: > >> Hi >> >> one visitor of p2d2 (Prague PostgreSQL Developer Day) asked if it is >> possible to show the current role in psql's prompt. I think it is not >> possible, but fortunately (with some limits) almost all necessary work is >> done, and the patch is short. >> >> In the assigned patch I implemented a new prompt placeholder %N, that >> shows the current role name. >> >> (2023-02-03 15:52:28) postgres=# \set PROMPT1 '%n as %N at '%/%=%# >> pavel as pavel at postgres=#set role to admin; >> SET >> pavel as admin at postgres=>set role to default; >> SET >> pavel as pavel at postgres=# >> >> Comments, notes are welcome. >> >> Regards >> >> Pavel >> > > This patch is cluttered with the BACKEND_PID patch and some guc_tables.c > stuff that I don't think is related. > I was little bit lazy, I am sorry. I did it in one my experimental branch. Both patches are PoC, and there are not documentation yet. I will separate it. > We'd have to document the %N. > > I think there is some value here for people who have to connect as several > different users (tech support), and need a reminder-at-a-glance whether > they are operating in the desired role. It may be helpful in audit > documentation as well. > yes, I agree so it can be useful - it is not my idea - and it is maybe partially deduced from some other databases. Both patches are very simple - and they use almost already prepared infrastructure. Regards Pavel
