From aa1620524e382bebf7bb5f80ebb2ab80984801fa Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 21 Sep 2011 13:00:34 +0200
Subject: Rework const object handling

Now objects are always loaded as non-const and the object cache in
session treats all objects as non-const.
---
 odb/boost/smart-ptr/pointer-traits.hxx | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/odb/boost/smart-ptr/pointer-traits.hxx b/odb/boost/smart-ptr/pointer-traits.hxx
index 881934e..af31975 100644
--- a/odb/boost/smart-ptr/pointer-traits.hxx
+++ b/odb/boost/smart-ptr/pointer-traits.hxx
@@ -12,6 +12,7 @@
 #include <boost/weak_ptr.hpp>
 
 #include <odb/pointer-traits.hxx>
+#include <odb/details/meta/remove-const.hxx>
 
 namespace odb
 {
@@ -27,6 +28,10 @@ namespace odb
     typedef T element_type;
     typedef ::boost::shared_ptr<element_type> pointer_type;
     typedef ::boost::shared_ptr<const element_type> const_pointer_type;
+    typedef typename details::meta::remove_const<element_type>::result
+    unrestricted_element_type;
+    typedef ::boost::shared_ptr<unrestricted_element_type>
+    unrestricted_pointer_type;
     typedef smart_ptr_guard<pointer_type> guard;
 
     static element_type*
@@ -47,6 +52,12 @@ namespace odb
       return !p;
     }
 
+    static unrestricted_pointer_type
+    cast (const pointer_type& p)
+    {
+      return ::boost::const_pointer_cast<unrestricted_element_type> (p);
+    }
+
   public:
     static void*
     allocate (std::size_t n)
-- 
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