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+// file : odb/boost/date-time/mysql/gregorian-traits.hxx
+// author : Constantin Michael <constantin@codesynthesis.com>
+// author : Boris Kolpackov <boris@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_GREGORIAN_TRAITS_HXX
+#define ODB_BOOST_DATE_TIME_MYSQL_GREGORIAN_TRAITS_HXX
+
+#include <odb/pre.hxx>
+
+#include <boost/date_time/gregorian/gregorian_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::gregorian::date, MYSQL_TIME, id_date>
+ {
+ public:
+ typedef ::boost::gregorian::date date;
+ typedef date value_type;
+ typedef date query_type;
+ typedef MYSQL_TIME image_type;
+
+ static void
+ set_value (date& v, const MYSQL_TIME& i, bool is_null)
+ {
+ if (is_null)
+ v = date (::boost::date_time::not_a_date_time);
+ else
+ v = date (i.year, i.month, i.day);
+ }
+
+ static void
+ set_image (MYSQL_TIME& i, bool& is_null, const date& v)
+ {
+ if (v.is_special ())
+ {
+ if (v.is_not_a_date ())
+ is_null = true;
+ else
+ throw odb::boost::date_time::special_value ();
+ }
+ else
+ {
+ is_null = false;
+ i.year = v.year ();
+ i.month = v.month ();
+ i.day = v.day ();
+ }
+ }
+ };
+ }
+}
+
+#include <odb/post.hxx>
+
+#endif // ODB_BOOST_DATE_TIME_MYSQL_GREGORIAN_TRAITS_HXX