Re: System views for versions reporting

On 10/16/24 08:47, Peter Eisentraut wrote:
> On 06.10.24 17:36, Dmitry Dolgov wrote:
>> Based on the feedback in [1], here is my attempt at implementing system
>> views for versions reporting. It adds pg_system_versions for showing
>> things like core version, compiler, LLVM, etc, and pg_system_libraries
>> for showing linked shared objects.
>
> Is a system view the right interface? For example, in pgbouncer we just
> added it to the version output:
>
> $ pgbouncer --version
> PgBouncer 1.18.0
> libevent 2.1.12-stable
> adns: c-ares 1.19.0
> tls: OpenSSL 3.3.2 3 Sep 2024
>
> That way, you can get this information without having to start a server
> instance. (Maybe you can't start a server instance because it just
> crashed because of some library version issue ...)

While it is also useful to be able to get the info without being able to
start the server, I think that would be an addition not a replacement.
When you have a fleet with no direct access to run shell commands, being
able to get this info via SQL is valuable.

--
Joe Conway
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com