Thanks for that; I'll take a look. I'm interested that you write about uploading data directly from a SQL source, too -- can't wait for that!
I'm a little surprised that data loading is so minimally implemented on GAE to date -- it seems pretty crucial to most applications. Maybe it's just a feature in development? g. On Oct 7, 1:48 am, "Nick Johnson (Google)" <nick.john...@google.com> wrote: > 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 > <grahampchar...@gmail.com>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)" <nick.john...@google.com> > > wrote: > > > Hi Graham, > > > > On Sun, Oct 4, 2009 at 10:25 PM, Graham Charles < > > grahampchar...@gmail.com>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 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 -~----------~----~----~----~------~----~------~--~---
