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SQL按指定文字顺序进行排序(中文或数字等)
在有些情况下我们需要按指定顺序输出数据,比如选择了ID in(3,1,2,5,4)我们希望按这个3,1,2,5,4的顺序输出,这样只使用order by ID是无法实现的,
但是我们可以使用order by charindex(‘,‘+convert(varchar,ID)+‘,‘,‘,3,1,2,5,4,‘)的方法来实现这个目的。举例如下:
Create Table info(ID int identity(1,1) not null,title varchar(100) not null)insert into info(title) values(‘aa‘)insert into info(title) values (‘bb‘)insert into info(title)values(‘cc‘)insert into info(title) values(‘dd‘)insert into info(title)values(‘ee‘)/*方法一:*/select id,titlefrom infowhere id in (‘3‘,‘1‘,‘2‘,‘5‘,‘4‘)order by charindex(‘,‘+convert(varchar,ID)+‘,‘ , ‘,3,1,2,5,4,‘)/*方法二:*/select id,titlefrom infowhere id in (‘3‘,‘1‘,‘2‘,‘5‘,‘4‘)--where id in (‘1‘,‘2‘,‘3‘,‘4‘,‘5‘)order by CHARINDEX(RTRIM(CAST(id as NCHAR)), ‘,3,1,2,5,4,‘)/*其它示例*/select prx_class,prx_name,isnull(sum(sunMen),0) as sunMen,isnull(sum(sumMoney),0) as sumMoney from ( select prx_class,prx_code,prx_name,isnull(sum(money),0) as sunMen, case when prx_code=‘项目冲减‘ then isnull(sum(num),0) * -1 else isnull(sum(num),0) end as sumMoney from receive_paybill WHERE the_date >=‘2014/6/1 0:00:00‘ AND the_date<=‘2014/6/10 0:00:00‘ and prx_code is not null and prx_code<>‘‘ and substoreid=‘004‘ group by prx_code,prx_name,prx_class ) as tb group by prx_name,prx_class--order by CHARINDEX(RTRIM(CAST(prx_class as NCHAR)),‘,小商品,钟点房费,会员卡费,房费,‘) descorder by charindex(‘,‘+prx_class+‘,‘,‘,小商品,钟点房费,会员卡费,房费,‘) desc
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