defmodule Eventos.Repo.Migrations.AllowMultipleAccountsForUser do use Ecto.Migration def up do alter table(:actors) do add :user_id, references(:users, on_delete: :delete_all), null: true end alter table(:users) do remove :actor_id end end def down do alter table(:users) do add :actor_id, references(:actors, on_delete: :delete_all), null: false end alter table(:actors) do remove :user_id end end end