def truncate(self):
        self.pool.execute('truncate', self.column_family)
fitToView(view: QGraphicsView,
dataset/ETHPy150Open pycassa/pycassa/pycassa/columnfamily.py/ColumnFamily.truncate--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/graphics_view.py/QInteractiveGraphicsScene.fitToView