     %__MODULE__{}
     |> cast(params, @creation_fields)
     |> validate_required(:server_type)
-    |> put_primary_key()
   end
 
   @spec update_changeset(t | Ecto.Changeset.t, update_params) :: Ecto.Changeset.t

  @update_fields ~w/poi_id motherboard_id/a

  @primary_key false
  schema "servers" do
    field :server_id, HELL.PK,
      primary_key: true

    struct
    |> cast(params, @update_fields)
  end
end