use the stored sql instead of passing it to the function

lib/query.js

@@ -14,9 +14,10 @@ module.exports = (function() {
   }
   Utils.addEventEmitter(Query)
 
-  Query.prototype.run = function(query) {
+  Query.prototype.run = function(sql) {
     var self = this
-    this.sql = query
+
+    this.sql = sql
 
     bindClient.call(this)
 
@@ -24,7 +25,7 @@ module.exports = (function() {
       console.log('Executing: ' + this.sql)
 
     this.client.query(this.sql, function(err, results, fields) {
-      err ? onFailure.call(self, err) : onSuccess.call(self, self.sql, results, fields)
+      err ? onFailure.call(self, err) : onSuccess.call(self, results, fields)
     }).setMaxListeners(100)
 
     return this
@@ -50,17 +51,17 @@ module.exports = (function() {
     this.client.removeListener('error', this.bindClientFunction)
   }
 
-  var onSuccess = function(query, results, fields) {
+  var onSuccess = function(results, fields) {
     var result = this.callee
       , self   = this
 
     // add the inserted row id to the instance
-    if (this.callee && (query.indexOf('INSERT INTO') == 0) && (results.hasOwnProperty('insertId')))
+    if (this.callee && (this.sql.indexOf('INSERT INTO') == 0) && (results.hasOwnProperty('insertId')))
       this.callee[this.callee.__definition.autoIncrementField] = results.insertId
 
     // transform results into real model instances
     // return the first real model instance if options.plain is set (e.g. Model.find)
-    if (query.indexOf('SELECT') == 0) {
+    if (this.sql.indexOf('SELECT') == 0) {
       result = results.map(function(result) { return self.callee.build(result, {isNewRecord: false}) })
 
       if(this.options.plain)