var mysql = require('mysql');
var connection = mysql.createConnection({
    host     : '127.0.0.1',
    user     : 'root',
    password : '',
    database : 'chat'
});

connection.connect(function(err) {
    if (err) throw err;
});

module.exports = connection;

var db = require('./db');
db.query('INSERT INTO messages SET ?', post, function(err, result) {
      if (err) throw err;
});

var baza = require('./db.js');

function person(name, last){
    this.name = name;
    this.last = last;
}

person.prototype.toConsole = function(){
    console.log(this.name+ " " + this.last);
}

person.prototype.toString = function(){
    return this.name+ " " + this.last;
}

person.prototype.writeToDB= function(){
    var sql = "INSERT INTO persons(id, name, last) VALUES (null, this.name, this.last)"; //i know string is not correctly written, it is just for idea.
    //I don't know what to do here
}

module.exports = oseba;

var user = new person("John", "Smith");
user.writeToDB();

var sql = "SELECT * FROM persons WHERE id = 5";
//save rows[0] to var user = new person(rows[0].name, rows[0].last);