var promise = require('bluebird');

var options = {
  // Initialization Options
  promiseLib: promise
};

var pgp = require('pg-promise')(options);
var connectionString = 'postgres://postgres:admin@localhost:5432/puppies';
var db = pgp(connectionString);

var mysql = require('promise-mysql')(options);

var db = mysql.createConnection({
    host: 'localhost',
    user: 'root',
    password: 'admin',
    database: 'test'
}).then(function(conn){
    // do stuff with conn
    conn.end();
});