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query.js 1.23 KB
"use strict";

var Utils         = require("../../utils")
  , AbstractQuery = require('../abstract/query')
  , uuid          = require('node-uuid')

module.exports = (function() {
  var Query = function(client, sequelize, callee, options) {
    this.client    = client
    this.callee    = callee
    this.sequelize = sequelize
    this.uuid      = uuid.v4()
    this.options   = Utils._.extend({
      logging: console.log,
      plain: false,
      raw: false
    }, options || {})

    var self = this
    this.checkLoggingOption()
    this.promise = new Utils.Promise(function (resolve, reject) {
      self.resolve = resolve
      self.reject = reject
    })
  }

  Utils.inherit(Query, AbstractQuery)
  Query.prototype.run = function(sql) {
    var self = this
    this.sql = sql

    if (this.options.logging !== false) {
      this.sequelize.log('Executing (' + this.options.uuid + '): ' + this.sql)
    }
    
    self.client.query(self.sql, function(err, results, fields) {
      self.promise.emit('sql', self.sql, self.options.uuid)

      if (err) {
        err.sql = sql

        self.reject(err)
      } else {
        self.resolve(self.formatResults(results))
      }
    }).setMaxListeners(100)

    return this.promise
  }

  return Query
})()