Index: EOEntityPriv.h
===================================================================
--- EOEntityPriv.h	(revision 26465)
+++ EOEntityPriv.h	(working copy)
@@ -92,6 +92,7 @@
 - (Class)classForObjectWithGlobalID: (EOKeyGlobalID *)globalID;
 - (id)globalIDForRow: (NSDictionary *)row
 	     isFinal: (BOOL)isFinal;
+- (BOOL) _hasAnyAttributeNamed:(NSString *)name;
 @end
 
 @interface EOEntity (EOEntityRelationshipPrivate)
Index: EOAttribute.m
===================================================================
--- EOAttribute.m	(revision 26465)
+++ EOAttribute.m	(working copy)
@@ -739,7 +739,7 @@
 					  name,
 					  *p]
 			userInfo: nil];
-      if ([[self entity] attributeNamed:name])
+      if ([[self entity] _hasAnyAttributeNamed:name])
 	exc++;
       else if ((storedProcedures = [[[self entity] model] storedProcedures]))
         {
Index: EOEntity.m
===================================================================
--- EOEntity.m	(revision 26465)
+++ EOEntity.m	(working copy)
@@ -918,6 +918,13 @@
   return attr;
 }
 
+/* private method for finding out if there is an attribute with a name
+   without triggering lazy loading */
+- (BOOL) _hasAnyAttributeNamed:(NSString *)name
+{
+   return [[_attributes valueForKey:@"name"] containsObject:name];
+}
+
 - (NSArray *)relationships
 {
   //OK
Index: EORelationship.m
===================================================================
--- EORelationship.m	(revision 26465)
+++ EORelationship.m	(working copy)
@@ -1178,7 +1178,7 @@
 					 *p]
                         userInfo: nil];
       
-      if ([[self entity] anyAttributeNamed: name])
+      if ([[self entity] _hasAnyAttributeNamed: name])
         exc++;
       else if ([[self entity] anyRelationshipNamed: name])
         exc++;