Fixed ticket #26

Doctrine/Record.php

@@ -586,6 +586,9 @@ abstract class Doctrine_Record extends Doctrine_Access implements Countable, Ite
      * @param mixed $value
      */
     final public function internalSet($name, $value) {
+        if($value === null)
+            $value = self::$null;
+
         $this->data[$name] = $value;
     }
     /**
@@ -618,6 +621,9 @@ abstract class Doctrine_Record extends Doctrine_Access implements Countable, Ite
             if($this->state == Doctrine_Record::STATE_TCLEAN)
                 $this->state = Doctrine_Record::STATE_TDIRTY;
 
+            if($value === null)
+                $value = self::$null;
+
             $this->data[$name] = $value;
             $this->modified[]  = $name;
         }
@@ -646,6 +652,9 @@ abstract class Doctrine_Record extends Doctrine_Access implements Countable, Ite
             $old = $this->get($name);
 
             if($old !== $value) {
+                if($value === null)
+                    $value = self::$null;
+
                 $this->data[$name] = $value;
                 $this->modified[]  = $name;
                 switch($this->state):
@@ -797,7 +806,11 @@ abstract class Doctrine_Record extends Doctrine_Access implements Countable, Ite
                 $this->data[$v] = $this->data[$v]->getIncremented();
             }
     
+            if($this->data[$v] === self::$null)
+                $a[$v] = null;
+            else
                 $a[$v] = $this->data[$v];
+
         }
 
         foreach($this->table->getInheritanceMap() as $k => $v) {

tests/RecordTestCase.php

@@ -93,7 +93,21 @@ class Doctrine_RecordTestCase extends Doctrine_UnitTestCase {
 
         $this->assertEqual($coll->count(), 1);
     }
+    public function testUpdatingWithNullValue() {
+        $user = $this->connection->getTable('User')->find(5);
+        $user->name = null;
+        $this->assertEqual($user->name, null);
 
+        $user->save();
+
+        $this->assertEqual($user->name, null);
+        
+        $this->connection->clear();
+
+        $user = $this->connection->getTable('User')->find(5);
+        $this->assertEqual($user->name, null);
+
+    }
     
     public function testDateTimeType() {
         $date = new DateTest();