一个蛮复杂的存储过程,游标,循环,临时表

CREATE PROCEDURE HR_ATTabn_qry2
@D_date nvarchar(10)=null,
@deptno nvarchar(1000)=null
as
begin

declare @sql nvarchar(1000)

--创建临时表
create TABLE #MyTempTable (deptno nvarchar(10),
deptname nvarchar(10),
empno nvarchar(10),
cname nvarchar(10),
abn_reason nvarchar(200),
abn_in nvarchar(10),
abn_out nvarchar(10),
patro_type nvarchar(10)
)
create TABLE #MyTempTable2 (deptno nvarchar(10),
deptname nvarchar(10),
empno nvarchar(10),
cname nvarchar(10),
abn_reason nvarchar(200),
abn_in nvarchar(10),
abn_out nvarchar(10),
patro_type nvarchar(10),
abn_reason_value nvarchar(2)
)

set @sql=' insert into #MyTempTable select
B.deptno,
dbo.GetDeptmentName(B.deptno) as DeptName,
A.empno,
dbo.getHRCName(A.empno)as CName,
Abn_reason,
abn_in,abn_out,patro_type

from HR_ATTabn A,HRempM B where A. empno=B.empno and B.deptno in('+@deptno+') and D_date='''+@d_date+''' order by B.deptno, A.empno,patro_type'

print(@sql)
exec(@sql)

-- select * from #MyTempTable

declare @itemCount int

--select distinct empno from #MyTempTable
set @itemCount = (select @@rowcount)

--select @itemCount as cc

/*游标*/
declare @empno nvarchar(10)
DECLARE Emp_Cursor CURSOR FOR
select distinct empno from #MyTempTable
OPEN Emp_Cursor
FETCH NEXT FROM Emp_Cursor into @empno
WHILE @@FETCH_STATUS = 0
BEGIN
declare @ptype int
set @ptype = 1001

--类别循环
while(@ptype <= 1004)
begin
/**2-1*/
declare @abn_reason nvarchar(10)
declare @abn_reason2 nvarchar(200)
set @abn_reason = ''
set @abn_reason2 = ''
--select abn_reason from #MyTempTable where empno = @empno and patro_type = @ptype

--游标开始
DECLARE tmp_cursor Cursor for
select abn_reason from #MyTempTable where empno = @empno and patro_type = @ptype
OPEN tmp_cursor
FETCH NEXT FROM tmp_cursor into @abn_reason
WHILE @@FETCH_STATUS = 0
BEGIN
set @abn_reason = dbo.Get_AbnReason_ByCode(@abn_reason)
if @abn_reason2 != ''
set @abn_reason2 = @abn_reason2 + ', ' + @abn_reason
else
set @abn_reason2 = @abn_reason

FETCH NEXT FROM tmp_cursor into @abn_reason
END
CLOSE tmp_cursor
DEALLOCATE tmp_cursor
--游标结束

/**保存记录*/
if @abn_reason2 is not null and @abn_reason2 != ''
begin
set @abn_reason2 = dbo.Get_PatroType_ByCode(@ptype) + @abn_reason2
insert into #MyTempTable2(
deptno, deptname ,empno ,cname ,abn_reason, abn_in ,abn_out ,patro_type, abn_reason_value
) select top 1 deptno, deptname ,empno ,cname ,@abn_reason2 as a, abn_in ,abn_out ,patro_type, abn_reason from #MyTempTable where empno = @empno and patro_type = @ptype
end
set @ptype = @ptype + 1
end--while end

FETCH NEXT FROM Emp_Cursor into @empno
END
CLOSE Emp_Cursor
DEALLOCATE Emp_Cursor
--游标结束
--想要的数据
select * from #MyTempTable2

--删除临时表
drop table #MyTempTable, #MyTempTable2

end

GO