# HG changeset patch
# User Sylvain Thénault <sylvain.thenault@logilab.fr>
# Date 1255599581 -7200
# Node ID 983c1af59c2ad049cef76ed58ac0a5274c786123
# Parent  9342e6783bd2dedc8dfe61d77493c9893535807e
only copy when necessary

diff -r 9342e6783bd2 -r 983c1af59c2a entity.py
--- a/entity.py	Thu Oct 15 10:25:21 2009 +0200
+++ b/entity.py	Thu Oct 15 11:39:41 2009 +0200
@@ -810,7 +810,7 @@
         else raise `KeyError`
         """
         res = self._related_cache['%s_%s' % (rtype, role)][entities]
-        if limit is not None:
+        if limit is not None and limit < len(rset):
             if entities:
                 res = res[:limit]
             else: