如何在一个特定时间使用存储过程

Question

ALTER PROCEDURE [dbo].[USP_HR_SelectLast_Attendance_Master] 
AS          
BEGIN 

    DECLARE @EmployeeId varchar(50), 
     @CheckIn datetime, 
     @CheckOut datetime 

    SELECT @EmployeeId = EmployeeId,@CheckIn=CheckIn,@CheckOut=CheckOut from Cygnus_HR_Employee_Attendance_Master where Id=IDENT_CURRENT('Cygnus_HR_Employee_Attendance_Master') 
     if(@CheckIn==getdate(). && @CheckOut is NULL) 
     { 
      Update Cygnus_HR_Employee_Attendance_Master set @CheckOut=@CheckIn.addHours(4) where EmployeeId = @EmployeeId and CheckOut=is NULL 
     } 

    END 

Answer 1

使用

添加额外的时间

SET @CheckOut = DATEADD(HH,4,@CheckIn)