On Tue, Jan 26, 2016 at 4:58 PM, Craig Ringer <cr...@2ndquadrant.com> wrote:
> On 26 January 2016 at 22:07, Magnus Hagander <mag...@hagander.net> wrote: > > >> In this case, mostly legacy compatibility. Making an app that works with >> versions that don't have pg_lsn have a nice path forward to the modern >> world. Being able to cast from pg_lsn to int8 can also make it easier to >> work with the values in the client application, though I don't need that >> for this particular one. >> >> > Wouldn't we need a uint8 type for that? > > I guess we could just show people negative LSNs if the high bit is set > (that being rather unlikely) but still... > Yes, in theory. Though the likelihood of actually reaching that... It would probably be OK to just throw an error if the high bit is actually set. -- Magnus Hagander Me: http://www.hagander.net/ Work: http://www.redpill-linpro.com/
