在没有事务的地方使用Count函数不会返回NULL或零，从而不会显示任何结果

Question

我正在尝试计算特定时期内休假的人数，然后使用总数插入我要报告的表格中。 如果在选定的期间内有人休假，则给我计数，如果n

---

o事务仅表示命令已完成，但不返回任何数据，我希望它返回NULL或O。

declare @SUSPENDED smallint
--
declare templ cursor for
   Select (select (COUNT(leave))where leave = 'Suspend Unpaid')as Suspended
     from A_EMPDAILYSTATUS      Where PAYPERIOD = (SELECT DATEADD(MONTH, DATEDIFF(MONTH, 0, GETDATE()-35),0))and leave = 'Suspend Unpaid'
     group by LEAVE

-- OPEN TEMP FILES

open templ
fetch next from templ into @Suspended
while @@fetch_status = 0
 begin
select @SUSPENDED AS SUSPENDED
fetch next from templ into @Suspended
end
set nocount off

Deallocate templ