All,
I think we've gotten a bit off the track of the proposed patch, which is
designed to report the system_identifier string currently in
pg_controldata, nothing more.
I'm going to reverse my vote, and vote against this patch. The reason
why is that I think we should instead have a function:
pg_controldata(parameter text)
... which would report *all* strings in pg_controldata. Hence, you'd do
instead:
pg_controldata('system identifier')
This will hopefully spare us from 15 patches incrementally adding all of
the individual items in controldata.
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com