# frozen_string_literal: true class AddFkOnMlModelVersionsToPackages < Gitlab::Database::Migration[2.1] disable_ddl_transaction! def up add_concurrent_foreign_key(:ml_model_versions, :packages_packages, column: :package_id, on_delete: :nullify) end def down with_lock_retries do remove_foreign_key_if_exists(:ml_model_versions, column: :package_id, on_delete: :nullify) end end end