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From: Thom Brown <thom@linux.com>
Date: Wed, 15 Aug 2012 16:50:54 +0100
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Subject: Re: Foreign server version and type
To: Bruce Momjian <bruce@momjian.us>
Cc: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>,
	pgsql-docs <pgsql-docs@postgresql.org>
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On 15 August 2012 16:47, Bruce Momjian <bruce@momjian.us> wrote:
> On Mon, Aug 15, 2011 at 08:36:36PM +0300, Heikki Linnakangas wrote:
>> On 15.08.2011 19:58, Thom Brown wrote:
>> >I'm looking at the CREATE SERVER page on the documentation (
>> >http://www.postgresql.org/docs/9.1/static/sql-createserver.html) and noticed
>> >that there's a server_version parameter which can be provided with the
>> >keyword VERSION and server_type specified after TYPE.
>> >
>> >However, there's zero information about what these are used for, whether
>> >they have any bearing on anything or why you'd want to use them.  Are these
>> >parameters used for anything, or are they purely for future functionality?
>> >  Whatever the case, could some kind of elaboration be added to justify the
>> >existence of these options?  They have been in the docs since the CREATE
>> >SERVER syntax was introduced in 8.4.
>>
>> It's in the SQL spec. It isn't used anything by PostgreSQL itself,
>> but a wrapper could look at it. It would probably be good to say
>> that explicitly in the docs.
>
> I have applied the attached patch to document that these fields are only
> potentially useful to foreign data wrappers.

Thanks Bruce, and a very belated thanks to Heikki for the explanation.

-- 
Thom