# frozen_string_literal: true class AddForeignKeyToProjectOnProjectTopic < ActiveRecord::Migration[6.1] include Gitlab::Database::MigrationHelpers disable_ddl_transaction! def up add_concurrent_foreign_key :project_topics, :projects, column: :project_id, on_delete: :cascade end def down with_lock_retries do remove_foreign_key :project_topics, column: :project_id end end end