Hi Graham, I covered specifying key names briefly in this article: http://blog.notdot.net/2009/9/Advanced-Bulk-Loading-part-2-Customization
It doesn't explicitly demonstrate returning key objects from generate_key, but it's a fairly straightforward modification of that. -Nick Johnson On Tue, Oct 6, 2009 at 12:24 AM, Graham Charles <[email protected]>wrote: > > Thanks for the reply! Any idea where I can find any documentation or > sample code? > > Thanks, > > g. > > On Oct 5, 2:39 am, "Nick Johnson (Google)" <[email protected]> > wrote: > > Hi Graham, > > > > On Sun, Oct 4, 2009 at 10:25 PM, Graham Charles < > [email protected]>wrote: > > > > > > > > > I'm struggling with bulk uploading CSV files to related tables. I have > > > foreign keys in the source data, but obviously, GAE doesn't use them. > > > > You can translate foreign keys into db.Key instances, and use a > > ReferenceProperty in you model for them. > > > > > The code at > > > > >http://code.google.com/appengine/docs/python/tools/uploadingdata.html > > > > > Works great for one flat table at a time, but doesn't reference how to > > > relate entries in a Child table to its Parent. > > > > Override the generate_key method in your Loader class, and have it return > a > > key specifying the desired Parent. > > > > -Nick Johnson > > > > > > > > > Thanks, > > > > > Graham Charles > > > > -- > > Nick Johnson, Developer Programs Engineer, App Engine > > Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration > Number: > > 368047 > > > -- 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 [email protected] 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 -~----------~----~----~----~------~----~------~--~---
