diff --git a/tests/Ticket330TestCase.php b/tests/Ticket330TestCase.php
new file mode 100644
index 000000000..3cbcf6054
--- /dev/null
+++ b/tests/Ticket330TestCase.php
@@ -0,0 +1,105 @@
+<?php
+
+ 
+/**
+ * Doctrine_Ticket330_TestCase
+ *
+ * @package     Doctrine
+ * @author      Konsta Vesterinen <kvesteri@cc.hut.fi>
+ * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @category    Object Relational Mapping
+ * @link        www.phpdoctrine.com
+ * @since       1.0
+ * @version     $Revision$
+ */
+ 
+class stNode extends Doctrine_Record
+{
+	public function setTableDefinition()
+  	{
+    	$this->setTableName('node_node');
+ 
+    	$this->hasColumn('title', 'string', 255, array ());
+  	}
+  
+  	public function setUp()
+  	{
+  		$this->hasOne('stNodeDetail as detail', 'stNodeDetail.node_id' , array( 'onDelete'=>'cascade'));
+  	}
+}
+ 
+class stNodeDetail extends Doctrine_Record
+{
+	public function setTableDefinition()
+  	{
+    	$this->setTableName('node_detail');
+    	
+		$this->hasColumn('node_id', 'integer', 10, array (  'unique' => true,));
+    	$this->hasColumn('null_column', 'string', 255, array ('default'=>null));
+    	$this->hasColumn('is_bool', 'boolean', null, array ('default' => 0,));
+    	$this->option('type', 'MyISAM');
+  	}
+  
+  	public function setUp()
+  	{
+    	$this->hasOne('stNode as node', 'stNodeDetail.article_id', array('foreign' => 'id' , 'onDelete'=>'cascade'));
+  	}
+}
+ 
+ 
+class Doctrine_Ticket330_TestCase extends Doctrine_UnitTestCase
+{
+	public function prepareData() 
+    { }
+    
+    public function prepareTables()
+    { }
+    
+    public function testUnnecessaryQueries()
+    {
+    	
+    	$node1 = new stNode();
+    	$node1->set('title', 'first node');
+    	$node1->detail->set('is_bool', true);
+    	$node1->save();
+    	
+    	$node2 = new stNode();
+    	$node2->set('title', 'second node');
+    	$node2->detail->set('null_column', 'value');
+    	$node2->detail->set('is_bool', false);
+    	$node2->save();
+    	
+    	$nodes = Doctrine_Query::create()
+    				->select('n.title, d.null_column, d.is_bool')
+    				->from('stNode n, n.detail d')    	
+    				->execute();
+    				
+    	$prevCount = $this->dbh->count();
+		
+		    	
+    	foreach ( $nodes as $node )
+    	{
+    		if ( $node->get('title') == 'first node')
+    		{
+    			$this->assertEqual($node->detail->get('is_bool'), true);
+    			$this->assertEqual($node->detail->get('null_column'), null);
+    			// Unnecessary query is triggered on line before due to null value column.
+    			$this->assertEqual($this->dbh->count(), $prevCount);
+    			
+    			$prevCount = $this->dbh->count();
+    		} 
+    		else 
+    		{
+    			$this->assertEqual($node->detail->get('null_column'), 'value');
+    			$this->assertEqual($node->detail->get('is_bool'), false);
+    			// Unecessary query is triggered on line before due to false value column
+    			$this->assertEqual($this->dbh->count(), $prevCount);
+    		}
+    	}
+    	
+    	$this->assertEqual($this->dbh->count(), $prevCount);
+    	
+    	echo $this->dbh->count()."\n\n";
+		    	    	
+    }
+}