Re: Re: UUNET socket-file-location patch

> Peter Eisentraut <peter_e@gmx.net> writes:
> > Tom Lane writes:
> >>>> and make "/tmp" the default in guc.c.
> >> 
> >> No, because this has to work on the client side too.  The default path
> >> *must* be determined at compile time, or clients and servers will be
> >> unable to find each other.
> 
> > The only difference between your snippet and mine is that yours sets the
> > default to "" and interprets it as "/tmp" when it is used, whereas mine
> > sets the default to "/tmp" to begin with.  Clients don't see the
> > difference.
> 
> Clients that don't contain guc.c are going to see a difference, no?
> Where are they getting the default from?

Good point.  This macro is called by the backend, and the libpq frontend
code.  We would have to push the /tmp default into libpq code too, which
seems messier.

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