Index: trunk/kernel/units/relationship/relationship_config.php
===================================================================
diff -u -N -r6093 -r7867
--- trunk/kernel/units/relationship/relationship_config.php	(.../relationship_config.php)	(revision 6093)
+++ trunk/kernel/units/relationship/relationship_config.php	(.../relationship_config.php)	(revision 7867)
@@ -77,7 +77,7 @@
 					'ItemSQLs'			=>	Array(	'' => 'SELECT %1$s.* %2$s FROM %1$s #ITEM_JOIN#',),
 					
 					'Fields'			=>	Array(
-											    'RelationshipId'	=>	Array(),
+											    'RelationshipId'	=>	Array('type' => 'int', 'not_null' => 1, 'default' => 0),
 												'SourceId'			=>	Array('type'=>'int', 'required' => 1, 'default' => 0),
 												'TargetId'			=>	Array('type'=>'int', 'required' => 1, 'default' => ''),
 												'SourceType'		=>	Array('type'=>'int','not_null'=>1,'default'=>0),