Re: [GENERAL] Querying libpq compile time options

From: "Larry Rosenman" <lrosenman(at)pervasive(dot)com>
To: "Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Martijn van Oosterhout" <kleptog(at)svana(dot)org>, <spaminos-sql(at)yahoo(dot)com>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [GENERAL] Querying libpq compile time options
Date: 2006-05-17 17:10:14
Message-ID: F6616E0E81AC0841B1F9DD252F7C4B55041A76@ausmaildd.aus.pervasive.com
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Bruce Momjian wrote:
> Larry Rosenman wrote:
>> Tom Lane wrote:
>>> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
>>>> I thought about this. Attached is a patch you can use to
>>>> popen("pg_config") and then look for the thread flag to configure.
>>>> One idea would be to add this sample to our libpq documentation.
>>>> The problem with the example is popen() overhead, pg_config not in
>>>> $PATH, or pg_config's version not matching libpq's version.
>>>
>>> Yeah, the last point seems like a killer objection :-(. It'd be
>>> better to add some sort of libpq function to handle the issue.
>>>
>>
>> and when I've proposed libpq functions to expose compile-time
>> constants, I've been shot down.
>>
>> How is this different?
>
> No idea, what is the URL of your proposal. Keep in mind this is not
> option-specific.

I had made a proposal to expose the path used for pg_service.conf.

this was back a month or so ago.

Would it be better to make a structure that has ALL the options, and
return
that from ONE function?

If so, I can code it up. I have time available.

--
Larry Rosenman
Database Support Engineer

PERVASIVE SOFTWARE. INC.
12365B RIATA TRACE PKWY
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Tel: 512.231.6173
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Email: Larry(dot)Rosenman(at)pervasive(dot)com
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