Google Datastore queries and eventual consistency

Question

I would like to confirm my understanding of eventual consistency in the Google datastore. Suppose that I have an entity defined as follows (using ndb):

clas         


        

Answer 1

Scenario 1. Yes, your understanding is correct.

Scenario 2. No, same query, so still eventually consistent.

Scenario 3. Yes, your understanding is correct.

Also you can avoid eventual consistency by doing everything in the same transaction, but of course this may not be applicable.