OK, I will give that a shot. Thanks for the clarification.
On Thu, Aug 27, 2009 at 3:40 PM, djidjadji<[email protected]> wrote: > > To get the parent-child relation: specify the parent= attribute of the > object constructor for the child. All the links/relations are stored > in the Key of the object, you don't have to put any Properties in the > Model definition. > > myObj = Model(parent=someparent,.....) > myObj.put() > > If you want to find an object that has a certain parent object use the > ancestor() call of a Query > > http://code.google.com/appengine/docs/python/datastore/queryclass.html#Query_ancestor > > For GQL look here > > http://code.google.com/appengine/docs/python/datastore/gqlreference.html > > 2009/8/27 Laimonas Simutis <[email protected]>: >> >> Maybe my search skills are sucking at the moment, but I am failing to >> find a good example of Entity Group modeling. >> >> I started here: >> http://code.google.com/appengine/docs/python/datastore/modelclass.html >> (The Model class) >> >> which then led me to >> http://code.google.com/appengine/docs/python/datastore/keysandentitygroups.html >> (Keys and Entity Groups) >> >> >> Mainly, what I am trying to find is how to declare the Parent and >> Child objects, and then how does parent "walk" to child and vice >> versa. >> >> If I have >> >> class MyParent(db.Model): >> >> >> class MyParentChild(db.Model): >> >> >> what do I add to the above declarations to wire up parent and child to >> be part of an entity group. Do I still use ReferenceProperty? (but >> what if I want one to one and not one to many?) >> >> Thanks for any pointers, >> >> L >> >> > >> > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
