Re: should we document an example to set multiple libraries in shared_preload_libraries?

On Mon, Dec 6, 2021 at 9:20 PM Bharath Rupireddy
<bharath.rupireddyforpostgres@gmail.com> wrote:
>
> On Fri, Dec 3, 2021 at 11:25 PM Bossart, Nathan <bossartn@amazon.com> wrote:
> >
> > On 12/3/21, 6:21 AM, "Bharath Rupireddy" <bharath.rupireddyforpostgres@gmail.com> wrote:
> > > +1 to add here in the "Parameter Names and Values section", but do we
> > > want to backlink every string parameter to this section? I think it
> > > needs more effort. IMO, we can just backlink for
> > > shared_preload_libraries alone. Thoughts?
> >
> > IMO this is most important for GUC_LIST_QUOTE parameters, of which
> > there are only a handful.  I don't think adding a link to every string
> > parameter is necessary.
>
> Agree.
>
> Should we specify something like below in the "Parameter Names and
> Values" section's "String:" para? Do we use generic terminology like
> 'name' and val1, val2, val3 and so on?
>
> ALTER SYSTEM SET name = val1,val2,val3;
> ALTER SYSTEM SET name = 'val1', 'val2', 'val3';
> ALTER SYSTEM SET name = '"val 1"', '"val,2"', 'val3';
>
> Another thing I observed is the difference between how the
> postgresql.conf file and ALTER SYSTEM SET command is parsed for
> GUC_LIST_QUOTE values.

Since there's a difference in the way the params are set in the
postgresql.conf file and ALTER SYSTEM SET command (as pointed out by
Tom in this thread [1]), I'm now confused. If we were to add examples
to the "Parameter Names and Values" section, which examples should we
addd, postgresql.conf files ones or ALTER SYSTEM SET command ones?

Thoughts?

[1] https://www.postgresql.org/message-id/flat/3108541.1638806477%40sss.pgh.pa.us

Regards,
Bharath Rupireddy.