'use strict';

var Promise   = require('bluebird/js/main/promise')();
var deprecate = require('./helpers').deprecate

// Incase we're using an older version of bluebird
Promise.prototype.asCallback = Promise.prototype.nodeify

Promise.prototype.exec = function(cb) {
  deprecate('knex.exec', 'knex.asCallback')
  return this.nodeify(cb)
};

module.exports = Promise;