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Re: [GENERAL] [HACKERS] Hot Standby utility and administratorfunctions

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, pgadmin-hackers(at)postgresql(dot)org, pgsql-general(at)postgresql(dot)org
Subject: Re: [GENERAL] [HACKERS] Hot Standby utility and administratorfunctions
Date: 2008-10-20 20:44:05
Message-ID: 20081020204405.GE4116@alvh.no-ip.org (view raw or flat)
Thread:
Lists: pgadmin-hackerspgsql-generalpgsql-hackers
Simon Riggs escribió:
> 
> On Mon, 2008-10-20 at 16:22 -0400, Robert Haas wrote:
> > > * pg_last_recovered_xact_xid()
> > > Will throw an ERROR if *not* executed in recovery mode.
> > > returns bigint
> > >
> > > * pg_last_completed_xact_xid()
> > > Will throw an ERROR *if* executed in recovery mode.
> > > returns bigint
> > 
> > Should these return xid?
> 
> Perhaps, but they match txid_current() which returns bigint.
> http://developer.postgresql.org/pgdocs/postgres/functions-info.html

That's been "extended with an epoch counter" per the docs; I don't think
that's appropriate for the new functions, is it?

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

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