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+// file : common/query/traits-pgsql.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 TRAITS_PGSQL_HXX
+#define TRAITS_PGSQL_HXX
+
+#include <string>
+#include <memory> // std::auto_ptr
+#include <cstring> // std::memcpy
+
+#include <odb/pgsql/traits.hxx>
+
+namespace odb
+{
+ namespace pgsql
+ {
+ template <>
+ class value_traits<std::auto_ptr<std::string>, id_string>
+ {
+ public:
+ typedef std::auto_ptr<std::string> value_type;
+ typedef std::string query_type;
+ typedef details::buffer image_type;
+
+ static void
+ set_value (std::auto_ptr<std::string>& v,
+ const details::buffer& b,
+ std::size_t n,
+ bool is_null)
+ {
+ v.reset (is_null ? 0 : new std::string (b.data (), n));
+ }
+
+ static void
+ set_image (details::buffer& b,
+ std::size_t& n,
+ bool& is_null,
+ const std::auto_ptr<std::string>& v)
+ {
+ is_null = v.get () == 0;
+
+ if (!is_null)
+ {
+ n = v->size ();
+
+ if (n > b.capacity ())
+ b.capacity (n);
+
+ if (n != 0)
+ std::memcpy (b.data (), v->c_str (), n);
+ }
+ }
+ };
+ }
+}
+
+#endif // TRAITS_PGSQL_HXX