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Showing posts with the label Google Cloud Datastore

Dynamically Loading Python Application Code From Database Under Google App Engine

I need to store python code in a database and load it in some kind of bootstrap.py application for … Read more Dynamically Loading Python Application Code From Database Under Google App Engine

Efficient Way To Store Relation Values In Ndb

I've this data model (I made it, so if there's a better way to do it, please let me know). … Read more Efficient Way To Store Relation Values In Ndb

Updating An Entity's Property Without Retrieving The Entity From The Ndb

I would like to update a property of an entity that has a lot of properties. If I understand it co… Read more Updating An Entity's Property Without Retrieving The Entity From The Ndb

Too Many Write Ops

I'm developing a directory app on app-engine (python) and I've run into trouble with too ma… Read more Too Many Write Ops

Ndb: Sort Query Results

In App Engine NDB, I am querying entities that have a repeated property. I would like to order the … Read more Ndb: Sort Query Results

Cross Group (xg) Transactions And Further Explanation Of Use

The most recent release of the GAE states the following changes: Datastore Cross Group (XG) Transa… Read more Cross Group (xg) Transactions And Further Explanation Of Use

"badvalueerror: Property Category Is Required" On Gae

I am trying to make a simple webapp html page that prints out data given from a datastore. However,… Read more "badvalueerror: Property Category Is Required" On Gae

How To Get The Distinct Value Of One Of My Models In Google App Engine

I have a model, below, and I would like to get all the distinct area values. The SQL equivalent is … Read more How To Get The Distinct Value Of One Of My Models In Google App Engine

How To Clear Cache For Specific Model In Ndb

I am in the process of transitioning to the NDB, and I am using two model sets: one based in plain … Read more How To Clear Cache For Specific Model In Ndb

What Is The Correct Way To Get The Previous Page Of Results Given An Ndb Cursor?

I'm working on providing an API via GAE that will allow users to page forwards and backwards th… Read more What Is The Correct Way To Get The Previous Page Of Results Given An Ndb Cursor?

Is It Possible To Share A Datastore Between Multiple Gae Applications

I like to work with data saved in one GAE application in other GAE applications. Basically share t… Read more Is It Possible To Share A Datastore Between Multiple Gae Applications

Google App Engine: Importerror: No Module Named Appengine.ext

I am trying to write a test for my GAE programme which uses the datastore. Following Google's D… Read more Google App Engine: Importerror: No Module Named Appengine.ext

Query With Paging By Cursor Causes Error Because Of Limitations For "IN Filter" In Cursor() Method... What Should Be The Alternative?

I am developing a twitter like microblogging system by using the following models: class Member(db.… Read more Query With Paging By Cursor Causes Error Because Of Limitations For "IN Filter" In Cursor() Method... What Should Be The Alternative?

Appengine Backreferences - Need Composite Index?

I have a query that is very recently starting to throw: 'The built-in indices are not efficient… Read more Appengine Backreferences - Need Composite Index?