Re: What is the difference between context of "sighup", "super-backend", and "backend" in pg_settings?

From: Julien Rouhaud <rjuju123(at)gmail(dot)com>
To: 周书林 <zhoushulin1992(at)gmail(dot)com>
Cc: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: What is the difference between context of "sighup", "super-backend", and "backend" in pg_settings?
Date: 2021-06-26 05:01:45
Message-ID: 20210626050145.zf47mtidineqhit4@nol
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On Sat, Jun 26, 2021 at 12:56:21PM +0800, 周书林 wrote:
> Hi,
>
> I am interested in the configuration parameter of Postgres. I found that
> the configuration parameters in context of "sighup", "super-backend", and
> "backend" are all required to send "SIGHUP" signal to postmaster for
> rereading configuration files. So my question is, what is the difference
> between them, except for the super-usre privilege requirment between
> "super-backend", and "backend"?

Please refer to the documentation for an exhaustive description:
https://www.postgresql.org/docs/current/view-pg-settings.html

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