pool::DbSelect Node1 pool::DbSelect - m_context + DbSelect() + ~DbSelect() + criteria() + link() + setStatement() + statement() + database() + setDatabase() + container() + setContainer() + shapeID() + setShapeID() + start() + next() - DbSelect() - DbSelect() - operator=() Node2 std::string Node2->Node1 -m_criteria Node3 std::basic_string< char > Node3->Node2