Alvaro Herrera <> writes:
> Excerpts from Cédric Villemain's message of jue oct 21 16:01:30 -0300 2010:
>> I agree this is interesting information to get, but wonder how
>> pg_config can know that and it looks to me that this information as
>> nothing to do in pg_config....
>> pg_config is all about installation, socket_dir is a postgresql.conf setting.

> Yeah -- how is pg_config to know?  All it can tell you is what was the
> compiled-in default.

That's what I wanted, actually.  If you've set a non-default value in
postgresql.conf, SHOW will tell you about that, but it fails to expose
the default value.

> Maybe you should go the SHOW route.  The user could connect via TCP and
> find out the socket directory that way.

Yeah, the SHOW case is not useless by any means.

                        regards, tom lane

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