On Wed, Dec 20, 2017 at 10:29 AM, neto brpr <netobrpr(at)gmail(dot)com> wrote:
> Any comment, hint about it or something, please inform me.
>
The docs contain this - its seem to cover what you describe:
https://www.postgresql.org/docs/10/static/runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS
David J.