Re: [PATCHES] About the structure of WAL Files.

On Wed, 2006-03-15 at 09:12 -0400, Alvaro Herrera wrote:
> Charlie Wang wrote:
> > I want to write a function to expose the content of WAL Files as streams,
> > and then send to somewhere else, record by record. 
> 
> Re: the WAL records, most likely they are useless outside the server
> that generated them, because they refer to relations using Oids, and to
> specific page addresses which are probably not going to be exactly the
> same anywhere else (consider VACUUM commands running at different
> times).

Yet it should be pointed out that there is a commercial product that
says it uses this information to provide a replication system for
PostgreSQL, so presumably that problem can be solved...

Best Regards, Simon Riggs