On Sun, 2020-06-14 at 05:03 +0000, Niels Jespersen wrote:
> I just found out about the pg service file. 
> https://www.postgresql.org/docs/current/libpq-pgservice.html
> 
> I don’t know why it took me so long finding this. I have been looking for 
> ways to abstract physical details of data location away for clients (much 
> like Oracle’s tnsnames).
> 
> Want to move a cluster to a new host. Sure, move it, edit pg_service.conf and 
> clients will not know the difference.
> 
> It works great for at least psql and psycopg2.
> 
> But I cannot find anything on pg_service.conf and the Postgres ODBC driver 
> and Npgsql for .Net
> 
> I know pg_service.conf support is implemented through libpq and support for 
> rivers not using libpq is not a given thing.
> 
> But I think the need for the abstraction of connection details is a general 
> one.
> 
> Can anyone shed som light on the ubiquitousness of support for 
> pg_service.conf?

You got it right: pg_service.conf is only used by libpq, so all clients that
use libpq automatically support it.  Other clients don't support it.

For your examples that means:
- The PostgreSQL ODBC server can use pg_service.conf
- NpgSQL cannot use the file.

Yours,
Laurenz Albe
-- 
Cybertec | https://www.cybertec-postgresql.com



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