Keys won't change if you restore into the appid. They must change if you restore to a new appid as the appid is part of the key.
T On Sep 11, 11:59 pm, Tom Wu <service.g2...@gmail.com> wrote: > Is any possible without key changing after restoring my data in same app ? > > Best Regards > Tom Wu > > 2010/9/11 Tim Hoffman <zutes...@gmail.com> > > > > > Hi > > > In theory reference properties should be ok, (list properties holding > > a list of keys - especially as strings would have a problem). > > > Have you compared the key in the reference property and the key of the > > target before and after the restore. > > It may be because you using id's rather than key names? But I am not > > sure without running some tests. > > > I would work out what is being changed and you may find a custom > > loader for bulkloader may be required to move your > > dataset between appids. > > > T > > > On Sep 11, 10:24 pm, Francois MASUREL <masu...@mably.com> wrote: > > > Yep, I was restoring to another appId. > > > > Does that mean that when you're storing entity keys as a "reference" > > > property you can't backup/restore to another appId ? > > > > What is the best practice then ? Should we create some kind of generated > > > UUID and use it as key for our entities then ? > > > > François > > > > On Sat, Sep 11, 2010 at 16:17, Tim Hoffman <zutes...@gmail.com> wrote: > > > > As to the keys changing, where you restoring to an instance with the > > > > same appid ? > > > > > If not the keys have to change, and you might find problems where you > > > > store keys in list properties. > > > > > T > > > > > On Sep 11, 10:12 pm, Tim Hoffman <zutes...@gmail.com> wrote: > > > > > Hi > > > > > > I am actually using appcfg.py download_data and upload_data with > > great > > > > > success with 65,000 entities. > > > > > > Which is pretty much the same thing. > > > > > > I have found you may need to play around with the batch size settings > > > > > if you have particularly large entities. > > > > > > T > > > > > > On Sep 11, 10:01 pm, Francois Masurel <fm2...@mably.com> wrote: > > > > > > > Hello everybody, > > > > > > > I've tried to do a full bulkloader --dump and --restore of one app > > to > > > > > > another one and it failed miserably. > > > > > > > First, I had a quite a few "Backing off" errors during export which > > > > > > took more than 30 minutes for about 6000 small entities. > > > > > > > Then when I restored it, I lost about 1000 entities it said it > > > > > > couldn't restore without explanations. > > > > > > > And then I realized that all entities keys had been changed. So > > all > > > > > > my relations between entities were lost. > > > > > > > Did I do something wrong ? > > > > > > > Thanx for your help. > > > > > > > Francois > > > > > -- > > > > 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<google-appengine%2Bunsubscrib > > > > e...@googlegroups.com><google-appengine%2Bunsubscrib > > e...@googlegroups.com> > > > > . > > > > For more options, visit this group at > > > >http://groups.google.com/group/google-appengine?hl=en. > > > -- > > 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-appeng...@googlegroups.com. > > To unsubscribe from this group, send email to > > google-appengine+unsubscr...@googlegroups.com<google-appengine%2Bunsubscrib > > e...@googlegroups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/google-appengine?hl=en. -- 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-appeng...@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.
