On Thu, Dec 8, 2011 at 4:27 PM, Bruce Momjian <bruce@xxxxxxxxxx> wrote:
Joshua D. Drake wrote:
>
> On 12/08/2011 12:57 PM, Bruce Momjian wrote:
> >
> > Chris Redekop wrote:
> >> Is there any way to get the database system identifier via a select
> >> statement? I have a primary/secondary async replication setup, and I'd
> >> like be able to verify from the client side that the provided primary and
> >> secondary connection strings do in fact refer to the same data set...
> >
> > Wow, that is a reasonable thing to want available via SQL, but I can't
> > see a way to get to it.
> >
> > The only method I can suggest is to write a server-side C function that
> > calls GetSystemIdentifier().
select inet_server_addr()?
--Scott
>Yeah, kind of, except this is the first request we ever got for this.
> This seems like something we should have in core, don't you think?
The identifier is passed as part of streaming replication, so maybe it
will be needed more in the future.
--
Bruce Momjian <bruce@xxxxxxxxxx> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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