defmodule Pleroma.Repo.Migrations.AddNotificationConstraints do use Ecto.Migration def up do drop(constraint(:notifications, "notifications_activity_id_fkey")) alter table(:notifications) do modify(:activity_id, references(:activities, type: :uuid, on_delete: :delete_all), null: false ) end end def down do drop(constraint(:notifications, "notifications_activity_id_fkey")) alter table(:notifications) do modify(:activity_id, references(:activities, type: :uuid, on_delete: :delete_all), null: true ) end end end