Namespaced Datastore queries fail with google.golang.org/appengine/datastore

[Aaron Taylor]

I am working on an application with multiple modules and I want to introduce namespacing in order to separate access to the datastore for each module. I added the following line to the top of my methods that accessed the datastore (and are passed in a context.Context value) but my datastore queries ceased to find any entities. Other methods on the datastore work file, it is just the queries that are failing.

c, _ = appengine.Namespace(c, DBNamespace)

Is this a bug, or is there something that I am missing?

[Glenn Lewis]

If you saved the data in the datastore without a namespace, then you will not be able to query them with a namespace.

In other words, if you want to be able to query the data in the datastore with a namespace, the data must also have been saved using that same namespace.

Here is more information: https://cloud.google.com/appengine/docs/go/multitenancy/

I hope that helps.

-- Glenn

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