dont modify attributes but rawAttributes

lib/associations/belongs-to.js

@@ -22,7 +22,7 @@ module.exports = (function() {
 
     this.identifier = this.options.foreignKey || Utils._.underscoredIf(Utils.singularize(this.target.tableName) + "Id", this.source.options.underscored)
     newAttributes[this.identifier] = { type: DataTypes.INTEGER }
-    Utils._.extend(this.source.attributes, this.source.QueryGenerator.attributesToSQL(newAttributes))
+    Utils._.extend(this.source.rawAttributes, newAttributes)
     return this
   }
 

lib/associations/has-many.js

@@ -55,7 +55,7 @@ module.exports = (function() {
     } else {
       var newAttributes = {}
       newAttributes[this.identifier] = { type: DataTypes.INTEGER }
-      Utils._.extend(this.target.attributes, this.source.QueryGenerator.attributesToSQL(newAttributes))
+      Utils._.extend(this.target.rawAttributes, newAttributes)
     }
 
     return this

lib/associations/has-one.js

@@ -27,7 +27,7 @@ module.exports = (function() {
 
     this.identifier = this.options.foreignKey || Utils._.underscoredIf(Utils.singularize(this.source.tableName) + "Id", this.options.underscored)
     newAttributes[this.identifier] = { type: DataTypes.INTEGER }
-    Utils._.extend(this.target.attributes, this.source.QueryGenerator.attributesToSQL(newAttributes))
+    Utils._.extend(this.target.rawAttributes, newAttributes)
 
     return this
   }