From 35dd198f7057ef34a31b87efe5fb05cd197ec41f Mon Sep 17 00:00:00 2001
From: Anatoliy Chakkaev <anatoliy.chakkaev@flatsoft.com>
Date: Wed, 19 Oct 2011 00:36:03 +0400
Subject: [PATCH] Only save to database attributes that listed in schema

---
 lib/abstract-class.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/lib/abstract-class.js b/lib/abstract-class.js
index 314c4385..9c7aa885 100644
--- a/lib/abstract-class.js
+++ b/lib/abstract-class.js
@@ -102,7 +102,7 @@ AbstractClass.create = function (data) {
     // if we come from save
     if (data instanceof AbstractClass && !data.id) {
         obj = data;
-        data = obj.toObject();
+        data = obj.toObject(true);
     } else {
         obj = new this(data);
 
@@ -211,7 +211,7 @@ AbstractClass.prototype.save = function (options, callback) {
         return callback && callback(err);
     }
     var modelName = this.constructor.modelName;
-    var data = this.toObject();
+    var data = this.toObject(true);
     if (this.id) {
         this._adapter().save(modelName, data, function (err) {
             if (err) {
@@ -240,10 +240,12 @@ AbstractClass.prototype.propertyChanged = function (name) {
     return this[name + '_was'] !== this['_' + name];
 };
 
-AbstractClass.prototype.toObject = function () {
+AbstractClass.prototype.toObject = function (onlySchema) {
     // blind faith: we only enumerate properties
     var data = {};
-    Object.keys(this).forEach(function (property) {
+    var ds = this.constructor.schema.definitions[this.constructor.modelName];
+    var properties = ds.properties;
+    Object.keys(onlySchema ? properties : this).concat(['id']).forEach(function (property) {
         data[property] = this[property];
     }.bind(this));
     return data;