On Jul 1, 2012, at 4:18 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> However, I'm a bit worried by the "if (!FirstSnapshotSet)" restriction
> in GetLatestSnapshot. Are we sure that enum comparisons could never
> happen without a snapshot already being set? What's the point of
> throwing an error there anyway, as opposed to letting it redirect to
> GetTransactionSnapshot?
I don't know whether it should set the transaction snapshot or just r