Thanx for your answer, so no way to get a kind of sequence besides using Date fields I guess...
On 1 oct, 17:04, "Nick Johnson (Google)" <nick.john...@google.com> wrote: > Hi mably, > > On Thu, Oct 1, 2009 at 4:00 PM, mably <fm2...@mably.com> wrote: > > > Hi everybody, > > > Is there any way to create/emulate a "sequence" with the datastore ? > > > I first thought that entity IDs where sequentially created, I was > > wrong : old IDs can be reused. > > Old IDs are never reused. IDs allocated by the datastore are always unique, > but may not be sequential - so IDs could be numbered in the following order: > > 1 > 2 > 1001 > 3 > 1002 > > -Nick Johnson > > > So no way to sort by IDs to fetch the last inserted one. > > > I could sort by a Date field but could get some conflicts, I could had > > a suffix in such cases though. > > > Does anybody have a better idea ? > > > Thanx in advance. > > > François > > Bordeaux, FRANCE > > -- > Nick Johnson, Developer Programs Engineer, App Engine > Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number: > 368047 --~--~---------~--~----~------------~-------~--~----~ 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 google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
