ash_authentication/documentation/topics/upgrading.md
James Harton 948298ac1c
improvement(TokenResource)!: Store the token subject in the token resource. (#133)
* improvement(TokenResource)!: Store the token subject in the token resource.

This is a breaking change because you may have to delete tokens in your database so that you can avoid the non-null constraint on subject.

* docs: Add upgrading documentation.
2023-01-13 17:21:57 +13:00

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# Upgrading
## Upgrading to version 3.6.0.
As of version 3.6.0 the `TokenResource` extension adds the `subject` attribute
which allows us to more easily match tokens to specific users. This unlocks
some new use-cases (eg sign out everywhere).
This means that you will need to generate new migrations and migrate your
database.
### Upgrade steps:
> ### Warning {: .warning}
>
> If you already have tokens stored in your database then the migration will
> likely throw a migration error due to the new `NOT NULL` constraint on
> `subject`. If this happens then you can either delete all your tokens or
> explicitly add the `subject` attribute to your resource with `allow_nil?` set
> to `true`. eg:
>
> ```elixir
> attributes do
> attribute :subject, :string, allow_nil?: true
> end
> ```
1. Run `mix ash_postgres.generate_migrations --name=add_subject_to_token_resource`
2. Run `mix ash_postgres.migrate`
3. 🎉