Maybe. I don't use PolyModel. Mostly because I think people go a little too overboard with OO.
Ikai Lan Developer Programs Engineer, Google App Engine Blog: http://googleappengine.blogspot.com Twitter: http://twitter.com/app_engine Reddit: http://www.reddit.com/r/appengine On Tue, Jun 14, 2011 at 7:10 PM, Ross M Karchner <[email protected]>wrote: > Ikai, isn't this about what Polymodel does? > > On Tue, Jun 14, 2011 at 3:44 AM, Ikai Lan (Google) <[email protected]>wrote: > >> Better implementation: define a Person model and a fields Text type where >> you store additional data as a JSON object. Store a "type" attribute. Then >> wrap the Person class with Teacher for all types that have the "Teacher" >> attribute. >> >> Ikai Lan >> Developer Programs Engineer, Google App Engine >> Blog: http://googleappengine.blogspot.com >> Twitter: http://twitter.com/app_engine >> Reddit: http://www.reddit.com/r/appengine >> >> >> >> On Tue, Jun 14, 2011 at 3:29 PM, Bruce Aloe <[email protected]> wrote: >> >>> Hello, >>> >>> I want to define two kinds (tables): Person (PersonId, age, name) and >>> Teacher (PersonId, age, name, teaching experience) in my GAE datastore >>> and Person is the superclass of Teacher. I want to define inheritance >>> relationship between Person and Teacher, so Teacher kind inherites >>> PersonId, age, name columns (attributes) from Person kind. >>> >>> Is there any way to define it in python environment from GAE? >>> >>> Thanks! >>> >>> Bruce >>> >>> -- >>> 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. >>> >>> >> -- >> 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. >> > > > > -- > Ross M Karchner > > > -- > 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. > -- 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.
