| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Chris Redekop <chris(at)replicon(dot)com> |
| Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Database system identifier via SELECT? |
| Date: | 2011-12-08 20:57:24 |
| Message-ID: | 201112082057.pB8KvOU19242@momjian.us |
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| Lists: | pgsql-general |
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().
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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