diff --git a/storage/sqlite/sqlite-handle.hpp b/storage/sqlite/sqlite-handle.hpp
index a2091c8..a595242 100644
--- a/storage/sqlite/sqlite-handle.hpp
+++ b/storage/sqlite/sqlite-handle.hpp
@@ -60,6 +60,9 @@
   virtual bool
   readNameAny(const Name& name, const Selectors& selectors, vector<Name>& names);
 
+  virtual size_t
+  size();
+
 private:
   void
   initializeRepo();