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.
