From e1bd92b52a70cbaaec66cb8669e16476c4881464 Mon Sep 17 00:00:00 2001
From: Dombi Attila <attila.dombi@evozon.com>
Date: Tue, 19 Jun 2012 13:13:59 +0300
Subject: [PATCH 1/3] fix sql error when initializing models with empty Number
 property. It should return NULL when a number is empty

---
 lib/adapters/postgres.js | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/lib/adapters/postgres.js b/lib/adapters/postgres.js
index 8bbb8d54..52701e04 100644
--- a/lib/adapters/postgres.js
+++ b/lib/adapters/postgres.js
@@ -164,7 +164,18 @@ PG.prototype.toDatabase = function (prop, val) {
             return this.toDatabase(prop, val[0]) + ' AND ' + this.toDatabase(prop, val[1]);
         }
     }
-    if (prop.type.name === 'Number') return val;
+    if (prop.type.name === 'Number') {
+      if (!val) {
+          if( prop.autoIncrement ) {
+              return 'DEFAULT';
+          }
+          else {
+              return 'NULL';
+          }
+      }
+      return val
+    };
+
     if (prop.type.name === 'Date') {
         if (!val) {
             if( prop.autoIncrement ) {

From e4527856ad10794568261bc333d8ab3eecc22e39 Mon Sep 17 00:00:00 2001
From: Dombi Attila <attila.dombi@evozon.com>
Date: Tue, 26 Jun 2012 15:44:57 +0300
Subject: [PATCH 2/3] The updateAttribute callback doesn't behaves as its
 described. It should send the object instance alongside the error too.

---
 lib/abstract-class.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/abstract-class.js b/lib/abstract-class.js
index bf540321..26863475 100644
--- a/lib/abstract-class.js
+++ b/lib/abstract-class.js
@@ -577,7 +577,7 @@ AbstractClass.prototype.updateAttributes = function updateAttributes(data, cb) {
     inst.isValid(function (valid) {
         if (!valid) {
             if (cb) {
-                cb(new Error('Validation error'));
+                cb(new Error('Validation error'), inst);
             }
         } else {
             update();

From b5eaa99d5abf6ebee529c1d765f86695fe75b4fa Mon Sep 17 00:00:00 2001
From: Dombi Attila <dombi_attila@yahoo.com>
Date: Thu, 19 Jul 2012 18:26:58 +0300
Subject: [PATCH 3/3] Added stricter value checking on number.

---
 lib/adapters/postgres.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/adapters/postgres.js b/lib/adapters/postgres.js
index 52701e04..c2f53631 100644
--- a/lib/adapters/postgres.js
+++ b/lib/adapters/postgres.js
@@ -165,7 +165,7 @@ PG.prototype.toDatabase = function (prop, val) {
         }
     }
     if (prop.type.name === 'Number') {
-      if (!val) {
+      if (!val && val!=0) {
           if( prop.autoIncrement ) {
               return 'DEFAULT';
           }