use bind instead of self

lib/dialects/mysql/query.js

@@ -3,8 +3,6 @@ var Utils         = require("../../utils")
 
 module.exports = (function() {
   var Query = function(client, sequelize, callee, options) {
-    var self = this
-
     this.client    = client
     this.callee    = callee
     this.sequelize = sequelize
@@ -15,14 +13,12 @@ module.exports = (function() {
     }, options || {})
 
     this.checkLoggingOption()
-    this.bindClientFunction = function(err) { onFailure.call(self, err) }
+    this.bindClientFunction = function(err) { onFailure.call(this, err) }.bind(this)
   }
 
-  Utils.inherit(Query, require('../abstract/query'))
+  Utils.inherit(Query, AbstractQuery)
 
   Query.prototype.run = function(sql) {
-    var self = this
-
     this.sql = sql
 
     bindClient.call(this)
@@ -32,18 +28,18 @@ module.exports = (function() {
     }
 
     this.client.query({ sql: this.sql, nestTables: true }, function(err, results, fields) {
-      self.emit('sql', self.sql)
+      this.emit('sql', this.sql)
 
       if (err) {
-        onFailure.call(self, err)
+        onFailure.call(this, err)
       } else {
         if (Array.isArray(results) && !!results[0] && Utils._.keys(results[0]).length === 1) {
           results = results.map(function(result){ return Utils._.values(result)[0] })
         }
 
-        onSuccess.call(self, results, fields)
+        onSuccess.call(this, results, fields)
       }
-    }).setMaxListeners(100)
+    }.bind(this)).setMaxListeners(100)
 
     return this
   }