1 files changed, 58 insertions, 0 deletions
diff --git a/common/query/traits.hxx b/common/query/traits.hxx
new file mode 100644
index 0000000..39d2ca4
--- /dev/null
+++ b/common/query/traits.hxx
@@ -0,0 +1,58 @@
+// file      : common/query/traits.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef TRAITS_HXX
+#define TRAITS_HXX
+
+#include <string>
+#include <memory>
+
+#include <odb/mysql/traits.hxx>
+
+namespace odb
+{
+  namespace mysql
+  {
+    template <>
+    class value_traits<std::auto_ptr<std::string> >
+    {
+    public:
+      typedef std::auto_ptr<std::string> type;
+      typedef std::string value_type;
+      static const image_id_type image_id = id_string;
+
+      static void
+      set_value (std::auto_ptr<std::string>& v,
+                 const char* s,
+                 std::size_t n,
+                 bool is_null)
+      {
+        v.reset (is_null ? 0 : new std::string (s, n));
+      }
+
+      static void
+      set_image (odb::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_HXX