Sqlite: Add callback method

Sometimes it is better to have a callback instead of returning a container.
The call has to manage the state if an exception is called but otherwise
it will reduce the memory footprint. There will be to a RETURNING
to Sqlite which will read back values as you write.

Change-Id: I7eb49850e2c76f883a03277b31c5e713e9774c92
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/libs/sqlite/sqliteglobal.h

@@ -68,4 +68,6 @@ enum class ChangeType : int { Delete = 9, Insert = 18, Update = 23 };
 
 enum class byte : unsigned char {};
 
+enum class CallbackControl : unsigned char { Continue, Abort };
+
 } // namespace Sqlite