Hi Takashi, On Wed, Sep 23, 2009 at 1:56 PM, Takashi Matsuo <matsuo.taka...@gmail.com>wrote:
> > Hi, > > I noticed db.allocate_ids method is very useful when bulkloading. I > have a question about the spec of this function. > > Q1. > Isn't it possible to allocate ids for children entities of particular > entity? > It seems that this function allocates only for root entities. > Yes - just pass a model or key representing a child entity you want to allocate IDs for. > > Q2. > Isn't it possible to control what id to start allocating? > Let's say I need to allocate ids from 1 to 1000 of particular kind. > I've mistakenly invoke as follows: > > ids = db.allocate_ids(an_instance, 100) > (100 instead of 1000) > > Of cause, ids are (1, 100), oops. So I tried to allocate the rest with > 900 as second parameter. > > ids = db.allocate_ids(an_instance, 900) > > I expected that ids are (101,1000), but actual result is (2001, 2900). > > How can I allocate ids from 101 to 1000 explicitly in this case? > IDs aren't guaranteed to be sequential - you can't safely use IDs that weren't returned by allocate_ids or assigned to your models, and you can't request a specific range. -Nick Johnson > -- > Takashi Matsuo > The father of kay framework > > > > -- 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 -~----------~----~----~----~------~----~------~--~---
