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Example of using an ndb StructuredProperty, which basically embeds one entity within another
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| # Taken from http://ae-book.appspot.com/static/pgae-ndb-20121009.pdf | |
| # Video at https://www.youtube.com/watch?v=xZsxWn58pS0 | |
| # • StructuredProperty(InnerModelClass) | |
| # • Uses an ndb.Model subclass to model the property value | |
| # • In code, the value is an instance of the model class | |
| # • In the datastore, fields become properties of the main entity, not separate entities | |
| # • Can be queried! | |
| class PlayerHome(ndb.Model): | |
| sector = ndb.IntegerProperty() | |
| house_num = ndb.IntegerProperty() | |
| roof_color = ndb.StringProperty() | |
| class Player(ndb.Model): | |
| # ... | |
| home = ndb.StructuredProperty(PlayerHome) | |
| p1 = Player() | |
| p1.home = PlayerHome() | |
| p1.home.sector = 698714526 | |
| p1.home.house_num = 123 |
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