def append_volume(self, context, instance, volume_id):
        self.db.append_volume(context, instance, volume_id)
Efficiently extract the coefficient of a product.
dataset/ETHPy150Open openstack/sahara/sahara/conductor/manager.py/ConductorManager.append_volume--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/vector/basisdependent.py/BasisDependent.as_coeff_Mul