lab4-2_calculator

-- ================================================
-- Template generated from Template Explorer using:
-- Create Scalar Function (New Menu).SQL
--
-- Use the Specify Values for Template Parameters 
-- command (Ctrl-Shift-M) to fill in the parameter 
-- values below.
--
-- This block of comments will not be included in
-- the definition of the function.
-- ================================================
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:		<Author,,Name>
-- Create date: <Create Date, ,>
-- Description:	<Description, ,>
-- =============================================
CREATE FUNCTION [dbo].[Calculator]
(
	@opd1 bigint,
	@opd2 bigint,
	@oprt char(1) = '*'
)
RETURNS bigint
AS
BEGIN
	declare @result bigint;
	set @result =
	   case @Oprt
	     when '+' then @opd1 + @opd2
		 when '-' then @opd1 - @opd2
		 when '*' then @opd1 * @opd2
		 when '/' then @opd1 / @opd2
		 else 0
    end
	
	return @result
END