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diff --git a/odb/boost/date-time/mysql/posix-time-traits.hxx b/odb/boost/date-time/mysql/posix-time-traits.hxx
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+++ b/odb/boost/date-time/mysql/posix-time-traits.hxx
@@ -0,0 +1,177 @@
+// file      : odb/boost/date-time/mysql/posix-time-traits.hxx
+// author    : Constantin Michael <constantin@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_BOOST_DATE_TIME_MYSQL_POSIX_TIME_TRAITS_HXX
+#define ODB_BOOST_DATE_TIME_MYSQL_POSIX_TIME_TRAITS_HXX
+
+#include <odb/pre.hxx>
+
+#include <cstdlib>  // std::abs
+
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+
+#include <odb/core.hxx>
+#include <odb/mysql/traits.hxx>
+#include <odb/boost/date-time/exceptions.hxx>
+
+namespace odb
+{
+  namespace mysql
+  {
+    template <>
+    class value_traits< ::boost::posix_time::ptime, MYSQL_TIME, id_datetime>
+    {
+    public:
+      typedef ::boost::posix_time::ptime ptime;
+      typedef ::boost::posix_time::time_duration time_duration;
+      typedef ::boost::gregorian::date date;
+      typedef ptime value_type;
+      typedef ptime query_type;
+      typedef MYSQL_TIME image_type;
+
+      static void
+      set_value (ptime& v, const MYSQL_TIME& i, bool is_null)
+      {
+        if (is_null)
+          v = ptime (::boost::date_time::not_a_date_time);
+        else
+          v = ptime (date (i.year, i.month, i.day),
+                     time_duration (i.hour, i.minute, i.second));
+      }
+
+      static void
+      set_image (MYSQL_TIME& i, bool& is_null, const ptime& v)
+      {
+        if (v.is_special ())
+        {
+          if (v.is_not_a_date_time ())
+            is_null = true;
+          else
+            throw odb::boost::date_time::special_value ();
+        }
+        else
+        {
+          is_null = false;
+
+          const date& d (v.date ());
+          i.year = d.year ();
+          i.month = d.month ();
+          i.day = d.day ();
+
+          const time_duration& t (v.time_of_day ());
+          i.hour = t.hours ();
+          i.minute = t.minutes ();
+          i.second = t.seconds ();
+        }
+      }
+    };
+
+    template <>
+    class value_traits< ::boost::posix_time::ptime, MYSQL_TIME, id_timestamp>
+    {
+    public:
+      typedef ::boost::posix_time::ptime ptime;
+      typedef ::boost::posix_time::time_duration time_duration;
+      typedef ::boost::gregorian::date date;
+      typedef ptime value_type;
+      typedef ptime query_type;
+      typedef MYSQL_TIME image_type;
+
+      static void
+      set_value (ptime& v, const MYSQL_TIME& i, bool is_null)
+      {
+        if (is_null)
+          v = ptime (::boost::date_time::not_a_date_time);
+        else
+          v = ptime (date (i.year, i.month, i.day),
+                     time_duration (i.hour, i.minute, i.second));
+      }
+
+      static void
+      set_image (MYSQL_TIME& i, bool& is_null, const ptime& v)
+      {
+        if (v.is_special ())
+        {
+          if (v.is_not_a_date_time ())
+            is_null = true;
+          else
+            throw odb::boost::date_time::special_value ();
+        }
+        else if (v < ptime (date (1970, ::boost::date_time::Jan, 1),
+                            time_duration (0, 0, 1)) ||
+                 v > ptime (date (2038, ::boost::date_time::Jan, 19),
+                            time_duration (3, 14, 7)))
+          throw odb::boost::date_time::value_out_of_range ();
+        else
+        {
+          is_null = false;
+
+          const date& d (v.date ());
+          i.year = d.year ();
+          i.month = d.month ();
+          i.day = d.day ();
+
+          const time_duration& t (v.time_of_day ());
+          i.hour = t.hours ();
+          i.minute = t.minutes ();
+          i.second = t.seconds ();
+        }
+      }
+    };
+
+    template <>
+    class value_traits< ::boost::posix_time::time_duration,
+                        MYSQL_TIME,
+                        id_time>
+    {
+    public:
+      typedef ::boost::posix_time::time_duration time_duration;
+      typedef time_duration value_type;
+      typedef time_duration query_type;
+      typedef MYSQL_TIME image_type;
+
+      static const unsigned short max_hours = 838;
+
+      static void
+      set_value (time_duration& v, const MYSQL_TIME& i, bool is_null)
+      {
+        if (is_null)
+          v = time_duration (::boost::date_time::not_a_date_time);
+        else
+        {
+          v = time_duration (i.hour, i.minute, i.second);
+
+          if (i.neg)
+            v = v.invert_sign ();
+        }
+      }
+
+      static void
+      set_image (MYSQL_TIME& i, bool& is_null, const time_duration& v)
+      {
+        if (v.is_special ())
+        {
+          if (v.is_not_a_date_time ())
+            is_null = true;
+          else
+            throw odb::boost::date_time::special_value ();
+        }
+        else if (std::abs (v.hours ()) > max_hours)
+          throw odb::boost::date_time::value_out_of_range ();
+        else
+        {
+          is_null = false;
+          i.day = 0;
+          i.hour = std::abs (v.hours ());
+          i.minute = std::abs (v.minutes ());
+          i.second = std::abs (v.seconds ());
+          i.neg = v.is_negative ();
+        }
+      }
+    };
+  }
+}
+
+#endif // ODB_BOOST_DATE_TIME_MYSQL_POSIX_TIME_TRAITS_HXX