use master

-- 第一步,查找出所有无套系类别的订单号,并保存;
select identity(int,1,1) as autoid,id into [db].[dbo].[dindan_temp] from [db].[dbo].[dindan] where [txtype] = NULL or [txtype] = ''
go

-- 第二步,更新空的套系类别订单;
declare @count int
declare @index int
declare @order nvarchar(50)
declare @txtype nvarchar(50)

select @count = count(id) from [db].[dbo].[dindan_temp]
print @count
set @index = 1
print @index

while @index <= @count
begin
select @order = id from [db].[dbo].[dindan_temp] where autoid = @index
select @txtype = [txtype] from [20150].[dbo].[dindan] where id = @order
update [db].[dbo].[dindan] set [txtype] = @txtype where id = @order
set @index = @index + 1
end
go

-- 第三步,删除表;
drop table [db].[dbo].[dindan_temp]
go

--查询有无套系类型空的订单;
-- select [txtype],* from [db].[dbo].[dindan] where [txtype] = NULL or [txtype] = ''