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+// file : evolution/template/model.hxx
+// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef MODEL_VERSION
+# error model.hxx included directly
+#endif
+
+#include <odb/core.hxx>
+
+#pragma db model version(1, MODEL_VERSION)
+
+#define MODEL_NAMESPACE_IMPL(V) v##V
+#define MODEL_NAMESPACE(V) MODEL_NAMESPACE_IMPL(V)
+
+namespace MODEL_NAMESPACE(MODEL_VERSION)
+{
+#if MODEL_VERSION == 3
+ #pragma db object
+ struct object
+ {
+ #pragma db id auto
+ unsigned long id_;
+ };
+#endif
+
+ // The presence of this object makes sure that there are no empty
+ // changesets and we get the complete set of migration files.
+ //
+ #pragma db object
+ struct dummy
+ {
+ dummy (unsigned long id = 0): id_ (id) {}
+
+ #pragma db id
+ unsigned long id_;
+ };
+}
+
+#undef MODEL_NAMESPACE
+#undef MODEL_NAMESPACE_IMPL