谷歌应用引擎ndb是否可以安全使用？

Question

它是否相当稳定，或者如果我使用它，我将不得不重写代码，因为它可能在将来发生变化？

Answer 1

稳定且完全支持。

来自1.6.4 sdk release

的

摘录

- NDB for Python - The NDB API has graduated from experimental and is now a fully
  supported feature. This next-generation datastore API improves data modeling 
  and querying and has been built from the ground up to support an asynchronous
  computing model.