On Wed, Dec 20, 2017 at 10:29 AM, neto brpr <netob...@gmail.com> wrote:

> Any comment, hint about it or something, please inform me.
>

The docs contain this - its seem to cover what you describe:

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https://www.postgresql.org/docs/10/static/runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS

David J.

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