dramatically reduced the lookup time of the daoFactory

lib/dialects/abstract/query.js

@@ -141,29 +141,21 @@ module.exports = (function() {
    * @return {String}           The found tableName / alias.
    */
   var findTableNameInAttribute = function(attribute) {
-    var tableName = null
-
-    this.sequelize.daoFactoryManager.daos.forEach(function(daoFactory) {
-      if (!!tableName) {
-        return
-      } else if (attribute.indexOf(daoFactory.tableName + ".") === 0) {
-        tableName = daoFactory.tableName
-      } else if (attribute.indexOf(Utils.singularize(daoFactory.tableName) + ".") === 0) {
-        tableName = Utils.singularize(daoFactory.tableName)
-      } else {
-        for (var associationName in daoFactory.associations) {
-          if (daoFactory.associations.hasOwnProperty(associationName)) {
-            var association = daoFactory.associations[associationName]
-
-            if (attribute.indexOf(association.options.as + ".") === 0) {
-              tableName = association.options.as
-            }
-          }
-        }
+    if (!this.options.include) {
+      return null
     }
+
+    var tableNames = this.options.include.map(function(include) {
+      return include.as
+    }).filter(function(include) {
+      return attribute.indexOf(include + '.') === 0
     })
 
-    return tableName
+    if (tableNames.length === 1) {
+      return tableNames[0]
+    } else {
+      return null
+    }
   }
 
   var queryResultHasJoin = function(results) {