/**
 * sql语句查询服务
 * @param action_id 系统参数action_id
 * @param session_id 系统参数sessionid
 * @param systemid 项目的systemid
 */
export default function sql_query(action_id: string, session_id: string, systemid: string): {
    exec: () => Promise<any[]>;
    prepare: (sql: string) => void;
};