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+// file : odb/mysql/tracer.hxx
+// 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_MYSQL_TRACER_HXX
+#define ODB_MYSQL_TRACER_HXX
+
+#include <odb/pre.hxx>
+
+#include <odb/tracer.hxx>
+
+#include <odb/mysql/forward.hxx>
+#include <odb/mysql/details/export.hxx>
+
+namespace odb
+{
+ namespace mysql
+ {
+ class LIBODB_EXPORT tracer: private odb::tracer
+ {
+ public:
+ virtual
+ ~tracer ();
+
+ virtual void
+ prepare (connection&, const statement&);
+
+ virtual void
+ execute (connection&, const statement&);
+
+ virtual void
+ execute (connection&, const char* statement) = 0;
+
+ virtual void
+ deallocate (connection&, const statement&);
+
+ private:
+ // Allow these classes to convert mysql::tracer to odb::tracer.
+ //
+ friend class database;
+ friend class connection;
+ friend class transaction;
+
+ virtual void
+ prepare (odb::connection&, const odb::statement&);
+
+ virtual void
+ execute (odb::connection&, const odb::statement&);
+
+ virtual void
+ execute (odb::connection&, const char* statement);
+
+ virtual void
+ deallocate (odb::connection&, const odb::statement&);
+ };
+ }
+}
+
+#include <odb/post.hxx>
+
+#endif // ODB_MYSQL_TRACER_HXX