akkoma/priv/repo/migrations/20170906152508_create_o_auth_token.exs

defmodule Pleroma.Repo.Migrations.CreateOAuthToken do
  use Ecto.Migration

  def change do
    create_if_not_exists table(:oauth_tokens) do
      add :app_id, references(:apps)
      add :user_id, references(:users)
      add :token, :string
      add :refresh_token, :string
      add :valid_until, :naive_datetime_usec

      timestamps()
    end
  end
end