//letconn=Connection::connect("postgres://postgres:123456@localhost:5432",&SslMode::None).unwrap();letstmt=conn.prepare("SELECT id, name, data FROM person").unwrap();println!("{:?}",stmt.query(&[]).unwrap());letrows=stmt.query(&[]).unwrap();println!("{:?}",rows.get(0));letrow=rows.get(0);println!("{:?}",row.len());println!("id: {:?}",row.columns());letrow_id:i32=row.get(0);letrow_name:String=row.get("name");println!("{:?},,,{:?}",row_id,row_name);//letmutserver=Nickel::new();server.get("**",middleware!(row_name.clone()));server.listen("127.0.0.1:6767");