Re: pg_export_snapshot on standby side

Fujii Masao escribió:
> On Sat, May 25, 2013 at 6:18 PM, Simon Riggs <simon@2ndquadrant.com> wrote:

> > I think we should treat this as a bug and fix it in 9.3 while we're
> > still in beta.
> 
> +1
> 
> > Why? Because once we begin using the topXid as the
> > filename we can't then change later to using the vxid.
> 
> I'm afraid that pg_export_snapshot() in 9.2 has already been using
> topXid as the filename.

I don't think this matters at all.  The filename is an implementation
detail which we don't even need to keep compatible across pg_upgrade.
If we think this is a bug, we should backpatch the fix to 9.2.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services