日期:2014-05-18 浏览次数:21008 次
declare @t table (设备 varchar(10)
,分类 varchar(10)
,级别 int)
insert into @t
select '变压器','变电','0' union all
select '发电机','输电','1' union all
select '主电网','配电','0' union all
select '厂变压器','变电','1' union all
select '市电网','配电','2' union all
select '厂变压器2','配电','2'
select * from @t order by case 分类 when '变电' then 0 when '输电' then 1 else 2 end,级别