Types and Property Classes - Google App Engine - Google Code
Datastore Value Types Datastore entity property values can be of one of the following types. See above for a list of corresponding Property classes to use with Model definitions. Other than the Python standard types and users.User, all classes described in this section are provided by the google.appengine.ext.db module. str or unicode A short string value, less than 500 bytes in length. A str valu
The Python Datastore API - Google App Engine - Google Code
The Python Datastore API The App Engine datastore is a schemaless object datastore, with a query engine and atomic transactions. The Python interface includes a rich data modeling API and a SQL-like query language called GQL. This reference describes the Python API for the App Engine datastore. It has the following sections: Overview Entities and Models Creating, Getting and Deleting Data Keys and
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