SqlServer自定义多参数聚合函数实例代码

select Employees.FirstName, Employees.LastName, dbo.Bonus(Orders.ShipCountry), dbo.BonusEx(dbo.MakeOrder(Orders.ShipCountry, Orders.ShipCity)) from Employees join Orders on Employees.EmployeeId = Orders.EmployeeId group by Employees.EmployeeId, Employees.FirstName, Employees.LastName