Re: PITR Phase 2 - Design Planning

On Mon, 2004-04-26 at 23:01, Alvaro Herrera wrote:
> On Mon, Apr 26, 2004 at 05:05:41PM -0400, Bruce Momjian wrote:
> > Simon Riggs wrote:
> > > Transaction log files currently have timestamps, so that is
> > > straightforward, but probably not the best we can do. We would
> > > rollforward until the xlog file time > desired point in time.
> > 
> > I was thinking ---  how would someone know the time to use for restore?
> 
> I think there should be a way to get a TransactionId and restore up to
> that point.  It'd be cool, but not required, if the system showed what
> valid TransactionIds there are, and roughly what they did (the xlog
> code already has "describers" everywhere AFAICS).

You're right, I think we should start by implementing the rollforward to
a txnid before we consider the rollforward to a specified point-in-time.
All the hooks for that are already there...

Best regards, Simon Riggs