Sorry, missed that. I'm not sure if there's a cleaner way than using the approaches you've looked at, hopefully someone else has an answer. How big is N and do you need to keep more than N around?
On Sat, May 8, 2010 at 10:26 AM, William Ashley <wash...@gmail.com> wrote: > This would be a solution if I wanted to get the N most recently CREATED > guids, but I'm interested in the most recently SEEN guids. > >
