create proc Proc_WatchingSetup
  --参数为四种角色的起始位置
  @leader int,
  @Male int,
  @Female int,
  @Driver int
as

declare @i int                                           --计数器
declare @j int
declare @PersonID int
declare @weekday int
declare @InsertPoint datetime
declare @msg char(20)

set @i=1
set @j=1

-- 事务开始
Begin tran ReChange
--删除明天以后的记录（队列已改变删除以前的）
delete from Watching where [Datetime]>GetDate()

if (@@error <>0)
   Begin
     rollback tran
     set @msg='error1'
     return
   end

--重新插入后30天的日期和星期
while @i<=30
  begin
     insert Watching (Datetime,WeekDay) values (dateadd(day,@i,{fn curdate()}),datepart(weekday,dateadd(day,@i,{fn curdate()})))    
     set @i=@i+1
  end

if (@@error !=0)
   Begin
     rollback tran
     set @msg='error2'
     return
   end

--开始使用游标

set @j=1

--////首先按排队顺序读出领导的队列

declare cur_watchingPerson scroll cursor For
   select Personid  from watching_person where part=1 order by orderCode asc

open cur_watchingPerson

--移动到开始位置
fetch absolute @leader from cur_watchingPerson into @PersonID
if @@fetch_status=-1
   fetch first from cur_watchingperson into @PersonID

set @i=1

while @i<=30
  begin    

     while @j<=7 --最长可能是1人插入7天
       begin       
        update watching set LeaderId=@PersonID where [datetime]=(dateadd(day,@i,{fn curdate()}))       
        if (@@error !=0)
          Begin
           rollback tran
           set @msg='error3'
          return
        end
        --如果不足7天就到周末 退出循环 换人
        select @weekday=datepart(weekday,dateadd(day,@i,{fn curdate()}))
        set @i=@i+1
        if (@weekday=1)
          break
  &