|
USE [testDB]
GO
/****** Object:? UserDefinedFunction [dbo].[f_GetPy]???? ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
create function?? [dbo].[f_GetPy](@str?? nvarchar(4000))
returns?? nvarchar(4000)
as
begin
declare?? @strlen?? int,@re?? nvarchar(4000)
declare?? @t?? table(chr?? nchar(1)?? collate?? Chinese_PRC_CI_AS,letter?? nchar(1))
insert?? into?? @t(chr,letter)
??? select?? '吖 ','A '?? union?? all?? select?? '八 ','B '?? union?? all
??? select?? '嚓 ','C '?? union?? all?? select?? '咑 ','D '?? union?? all
??? select?? '妸 ','E '?? union?? all?? select?? '发 ','F '?? union?? all
??? select?? '旮 ','G '?? union?? all?? select?? '铪 ','H '?? union?? all
??? select?? '丌 ','J '?? union?? all?? select?? '咔 ','K '?? union?? all
??? select?? '垃 ','L '?? union?? all?? select?? '嘸 ','M '?? union?? all
??? select?? '拏 ','N '?? union?? all?? select?? '噢 ','O '?? union?? all
??? select?? '妑 ','P '?? union?? all?? select?? '七 ','Q '?? union?? all
??? select?? '呥 ','R '?? union?? all?? select?? '仨 ','S '?? union?? all
??? select?? '他 ','T '?? union?? all?? select?? '屲 ','W '?? union?? all
??? select?? '夕 ','X '?? union?? all?? select?? '丫 ','Y '?? union?? all
??? select?? '帀 ','Z '
??? select?? @strlen=len(@str),@re= ' '
??? while?? @strlen> 0
??? begin
??????? select?? top?? 1?? @re=letter+@re,@strlen=@strlen-1
??????????? from?? @t?? a?? where?? chr <=substring(@str,@strlen,1)
??????????? order?? by?? chr?? desc
??????? if?? @@rowcount=0
??????????? select?? @re=substring(@str,1)+@re,@strlen=@strlen-1
??? end
??? return(@re)
end
?
?
调用
---测试数据--- if object_id('[pactinfo]') is not null drop table [pactinfo] go create table [pactinfo]([ID] int,[pactname] varchar(4)) insert [pactinfo] select 1,'正常' union all select 2,'中国' union all select 3,'做饭' union all select 4,'加发' ---查询--- select?? * from?? [pactinfo] where? dbo.f_GetPy(pactname) like 'Zg%' ---结果--- ID????????? pactname ----------- -------- 1?????????? 正常 2?????????? 中国 3 做饭
（编辑：李大同）
【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容!
|
