# frozen_string_literal: true class DeleteExperimentUserForeignKeys < Gitlab::Database::Migration[2.0] disable_ddl_transaction! def up with_lock_retries do remove_foreign_key_if_exists :experiment_users, :experiments, name: 'fk_rails_56d4708b4a' end with_lock_retries do remove_foreign_key_if_exists :experiment_users, :users, name: 'fk_rails_fd805f771a' end end def down add_concurrent_foreign_key :experiment_users, :experiments, column: :experiment_id, name: 'fk_rails_56d4708b4a' add_concurrent_foreign_key :experiment_users, :users, column: :user_id, name: 'fk_rails_fd805f771a' end end