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. 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.
