Re: [GENERAL] Querying libpq compile time options

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От Bruce Momjian
Тема Re: [GENERAL] Querying libpq compile time options
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Msg-id 200605171721.k4HHLWe29037@candle.pha.pa.us
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Ответ на Re: [GENERAL] Querying libpq compile time options  ("Larry Rosenman" <lrosenman@pervasive.com>)
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Larry Rosenman wrote:
> Bruce Momjian wrote:
> > Larry Rosenman wrote:
> >> Bruce Momjian wrote:
> >>> Larry Rosenman wrote:
> >>>> Tom Lane wrote:
> >>>>> Bruce Momjian <pgman@candle.pha.pa.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.
> > 
> > Why would an application programmer care to know the location of
> > pg_service.conf?
> 
> The admin needs to know it to use it.  Currently there is no 
> way to get what is compiled into a specific libpq. 

Uh, it is an _admin_ function, not an application programmer function.

--  Bruce Momjian   http://candle.pha.pa.us EnterpriseDB    http://www.enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +


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