Because it's not possible. Doing so would require a join, which isn't supported in the App Engine datastore. You need to denormalize your model, and bring model1field in as a property of Model2.
-Nick Johnson On Mon, Apr 6, 2009 at 11:42 AM, PJ Fitzpatrick < [email protected]> wrote: > Hi, > Ahead of my talk on wednesday there is one thing i cannot seem to > understand about queries in App Engine. Has anyone got an answer to the > following. > > > I am attempting to query as follows; > > class Model1.(db.Model) > model1field = db.StringProperty() > > class Model2(db.Model) > model1 = db.ReferenceProperty(Model1) > > q= Model2.all() > q.filter("model1.model1field =", somestring) > > Why does this not work? > > tks, > PJ > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Python Ireland" 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.ie/group/pythonireland?hl=en -~----------~----~----~----~------~----~------~--~---
