public function set_query() {

		$this->set_order_data_query(
			array(
				'date_field'     => 'post_modified',
				'query_function' => 'get_results',
				'select'         => array(
					'orders.post_modified AS date',
				),
				'statuses'       => array(
					'llms-refunded',
				),
			)
		);

	}