How to use namespace in v25

vnium · October 11, 2025, 2:51pm

How can namespaces be used in Dgraph v25? I’m creating a dgraph client in Golang like this: dgraphClient, err := dgo.NewClient(endpoint, dgo.WithNamespace(2)), but when I then later on do queries or mutations the default namespace (0) is still used.

matthewmcneely · October 11, 2025, 4:07pm

The namespace must already exist. And you’ll need to login that user via the client. See: Multi-Tenancy - Dgraph

and

github.com/hypermodeinc/dgo

client.go

1ce3fe0ea


      
          }
          
          // Login logs in the current client using the provided credentials into
          // default namespace (0). Valid for the duration the client is alive.
          func (d *Dgraph) Login(ctx context.Context, userid string, password string) error {
          	return d.login(ctx, userid, password, 0)
          }
          
          // LoginIntoNamespace logs in the current client using the provided credentials.
          // Valid for the duration the client is alive.
          func (d *Dgraph) LoginIntoNamespace(ctx context.Context,
          	userid string, password string, namespace uint64) error {
          
          	return d.login(ctx, userid, password, namespace)
          }
          
          // Alter can be used to do the following by setting various fields of api.Operation:
          //  1. Modify the schema.
          //  2. Drop a predicate.
          //  3. Drop the database.
          //

vnium · October 11, 2025, 4:21pm

So namespaces can only be used with ACL?

matthewmcneely · October 13, 2025, 3:30pm

Practically, yes. Technically, no.

Over gRPC, you could attach outgoing metadata (namespace: <int>) and queries and mutations would run in a non-ACL cluster. If all you’re doing is using gRPC, then fine. But of course, practically, other (non-gRPC) access to the cluster is probably desired (HTTP, Ratel, etc) which do not share the outgoing metadata mechanism that gRPC uses.

system · October 14, 2025, 3:30pm

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How to use namespace in v25

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