Out of interest, why is it a requirement that you can page to any arbitrary page? How would a user know that they want to go to page 5 specifically?
How about just letting them go to a page in the next/prev n pages, where n is, say, 3 - as well as the last and first pages. More on this here (although you've probably seen it): http://groups.google.com/group/google-appengine/browse_thread/thread/15665d731e1acd68#51784b642790339e On 10/12/2008, at 6:26 AM, [EMAIL PROTECTED] wrote: > > I tried a sledgehammer approach to a paging issue I'm having (fetch > (1000) page within it) and as expected, it's too heavy of an approach > and I'm getting datastore timeouts. So, before I dive too deeply into > approaching the situation I have, I thought I'd see if anyone else has > run into this and came up with a solution they'd like to share. > > The requirements I have are: > - Must be able to page through entities based on a numerical score > field that is not consecutive, though can be made unique if I convert > it to a float. > - Previous, Next, and ?page=# (ie: ?page=5) must all be handled. > > The situation is that I'm working on a site that's similar to Digg in > functionality. Stories are given a score by which they are ordered for > presentation. This score can change through user interaction. > > Now, I have already ready and figured out a solution for next/previous > > results = fetch(11) > ?nextstart=results[10].score&prevstart=results[0].score > > This doesn't give me the ability to link to specific pages. As scores > are changing and new entities can be created a rapid rate (bursts once > an hour of 50+ entities) trying to index and keep track on submission/ > score change would also lead to datastore timeouts. > > Anyone have any ideas? I'm beginning to think I just can not meet the > page number requirement using BigTable. > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
