gistfile1.js

function insertJob(site,node,time,gets){ 
  var connection =  openConnection();
  var sqlInsert = "INSERT INTO job_result (sites_ID, node_ID, site_loaded_files, site_loading_time) ";
  sqlInsert += "VALUES ((SELECT ID from sites WHERE site_name='" + site + "'), ";
  sqlInsert += " (SELECT ID from nodes WHERE node_name='" + node + "'),";
  sqlInsert += gets + "," + time + ")";
  var connection.query(sqlInsert, function(err, result) {
    if (err) throw err;
    connection.end();
    // ?? return result.insertId);
    // callback ??
  }// , callback ??)
}

myInsertid = insertJob("google.com","node01",1000,20);