var connection = mysql.createConnection({
host :'localhost',
  user     : 'root',
  password : 'secret',
  port:3000
});
connection.connect();

//connection.query("SET SESSION wait_timeout = 604800");

connection.query('CREATE TABLE t1(id int)', function(error, rows, fields) {
    if (error){
    throw error;
    }else{
        console.log(rows);
    }
});



connection.query('select * from t1', function(error, rows, fields) {
    if (error){
    throw error;
    }else{
        console.log(rows);
    }
});



function keepalive() {
  connection.query('select 1', [], function(err, result) {
    if(err) return console.log(err);
    // Successul keepalive
  });
}
setInterval(keepalive, 1000*60*5);