Questions tagged [ndb]
20 questions
0
votes
1 answer
Rollback in NDB
I am trying to maintain some cross transactional-ity between different services.
Basically I have a ndb model which would be processed. There is a chance that the transaction might fail after we have saved an object. How would I rollback in such a…

Shaurya Chaudhuri
- 3,772
- 6
- 28
- 58
0
votes
0 answers
Best way to save a dictionary which contains non-ASCII characters in Datastore with Python ndb
I have this dict: {'ª': 'a'} and want to save it to ndb object.
The superscript ª is a non-ASCII character.
Initially I was saving the mapping as a json dump string. I had this class:
class MyClass:
mapping = ndb.TextProperty()
And saving was…

giliev
- 2,938
- 4
- 27
- 47
0
votes
1 answer
Updating Forign Key in Python Ndb
So on my Ndb Store I have an Entity that looks like this
SampleUser

chukwuka mark
- 154
- 2
- 11
0
votes
1 answer
Writing query with where clause in Python NDB
So I have a query that looks like
data = ndb.Key('Account', int(entity_id)).get()
is it possible to add a where clause and filter by other fields

chukwuka mark
- 154
- 2
- 11
-1
votes
1 answer
NDB Cluster TCP/IP Connections Using Direct Connections
I'm using MySQL Cluster Manager for my NDB Cluster.
I want to setup direct TCP connections between two nodes (https://dev.mysql.com/doc/mysql-cluster-excerpt/5.7/en/mysql-cluster-tcp-definition-direct.html). I have set up correctly two ndbtmd…

xShink
- 21
- 3