从获到拼音函数得到的一点心得体会
2009-09-20 09:20
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/*---------------------------------
-- Author : htl258(Tony)
-- Date : 2009-09-18 19:03:53
-- Version: Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (Intel X86)
Mar 29 2009 10:27:29
Copyright (c) 1988-2008 Microsoft Corporation
Enterprise Evaluation Edition on Windows NT 5.1 <X86> (Build 2600: Service Pack 2)
---------------------------------*/
--1.创建表[t_GetPinyin],目的为了提高查询效率
IF OBJECT_ID('[t_GetPinyin]') IS NOT NULL
DROP TABLE [t_GetPinyin]
GO
CREATE TABLE [t_GetPinyin]([py] NVARCHAR(20),[word] NVARCHAR(10) COLLATE Chinese_PRC_CS_AS_KS_WS)
INSERT [t_GetPinyin]
SELECT 'a' ,N'厑' UNION ALL
SELECT 'ai',N'靉' UNION ALL
SELECT 'an',N'黯' UNION ALL
SELECT 'ang',N'醠' UNION ALL
SELECT 'ao',N'驁' UNION ALL
SELECT 'ba',N'欛' UNION ALL
SELECT 'bai',N'瓸' UNION ALL --韛兡瓸
SELECT 'ban',N'瓣' UNION ALL
SELECT 'bang',N'鎊' UNION ALL
SELECT 'bao',N'鑤' UNION ALL
SELECT 'bei',N'鐾' UNION ALL
SELECT 'ben',N'輽' UNION ALL
SELECT 'beng',N'鏰' UNION ALL
SELECT 'bi',N'鼊' UNION ALL
SELECT 'bian',N'變' UNION ALL
SELECT 'biao',N'鰾' UNION ALL
SELECT 'bie',N'彆' UNION ALL
SELECT 'bin',N'鬢' UNION ALL
SELECT 'bing',N'靐' UNION ALL
SELECT 'bo',N'蔔' UNION ALL
SELECT 'bu',N'簿' UNION ALL
SELECT 'ca',N'囃' UNION ALL
SELECT 'cai',N'乲' UNION ALL --縩乲
SELECT 'can',N'爘' UNION ALL
SELECT 'cang',N'賶' UNION ALL
SELECT 'cao',N'鼜' UNION ALL
SELECT 'ce',N'簎' UNION ALL
SELECT 'cen',N'笒' UNION ALL
SELECT 'ceng',N'乽' UNION ALL --硛硳岾猠乽
SELECT 'cha',N'詫' UNION ALL
SELECT 'chai',N'囆' UNION ALL
SELECT 'chan',N'顫' UNION ALL
SELECT 'chang',N'韔' UNION ALL
SELECT 'chao',N'觘' UNION ALL
SELECT 'che',N'爡' UNION ALL
SELECT 'chen',N'讖' UNION ALL
SELECT 'cheng',N'秤' UNION ALL
SELECT 'chi',N'鷘' UNION ALL
SELECT 'chong',N'銃' UNION ALL
SELECT 'chou',N'殠' UNION ALL
SELECT 'chu',N'矗' UNION ALL
SELECT 'chuai',N'踹' UNION ALL
SELECT 'chuan',N'鶨' UNION ALL
SELECT 'chuang',N'愴' UNION ALL
SELECT 'chui',N'顀' UNION ALL
SELECT 'chun',N'蠢' UNION ALL
SELECT 'chuo',N'縒' UNION ALL
SELECT 'ci',N'嗭' UNION ALL --賜嗭
SELECT 'cong',N'謥' UNION ALL
SELECT 'cou',N'輳' UNION ALL
SELECT 'cu',N'顣' UNION ALL
SELECT 'cuan',N'爨' UNION ALL
SELECT 'cui',N'臎' UNION ALL
SELECT 'cun',N'籿' UNION ALL
SELECT 'cuo',N'錯' UNION ALL
SELECT 'da',N'橽' UNION ALL
SELECT 'dai',N'靆' UNION ALL
SELECT 'dan',N'饏' UNION ALL
SELECT 'dang',N'闣' UNION ALL
SELECT 'dao',N'纛' UNION ALL
SELECT 'de',N'的' UNION ALL
SELECT 'den',N'扽' UNION ALL
SELECT 'deng',N'鐙' UNION ALL
SELECT 'di',N'螮' UNION ALL
SELECT 'dia',N'嗲' UNION ALL
SELECT 'dian',N'驔' UNION ALL
SELECT 'diao',N'鑃' UNION ALL
SELECT 'die',N'嚸' UNION ALL --眰嚸
SELECT 'ding',N'顁' UNION ALL
SELECT 'diu',N'銩' UNION ALL
SELECT 'dong',N'霘' UNION ALL
SELECT 'dou',N'鬭' UNION ALL
SELECT 'du',N'蠹' UNION ALL
SELECT 'duan',N'叾' UNION ALL --籪叾
SELECT 'dui',N'譵' UNION ALL
SELECT 'dun',N'踲' UNION ALL
SELECT 'duo',N'鵽' UNION ALL
SELECT 'e',N'鱷' UNION ALL
SELECT 'en',N'摁' UNION ALL
SELECT 'eng',N'鞥' UNION ALL
SELECT 'er',N'樲' UNION ALL
SELECT 'fa',N'髮' UNION ALL
SELECT 'fan',N'瀪' UNION ALL
SELECT 'fang',N'放' UNION ALL
SELECT 'fei',N'靅' UNION ALL
SELECT 'fen',N'鱝' UNION ALL
SELECT 'feng',N'覅' UNION ALL
SELECT 'fo',N'梻' UNION ALL
SELECT 'fou',N'鴀' UNION ALL
SELECT 'fu',N'猤' UNION ALL --鰒猤
SELECT 'ga',N'魀' UNION ALL
SELECT 'gai',N'瓂' UNION ALL
SELECT 'gan',N'灨' UNION ALL
SELECT 'gang',N'戇' UNION ALL
SELECT 'gao',N'鋯' UNION ALL
SELECT 'ge',N'獦' UNION ALL
SELECT 'gei',N'給' UNION ALL
SELECT 'gen',N'搄' UNION ALL
SELECT 'geng',N'堩' UNION ALL --亙堩啹喼嗰
SELECT 'gong',N'兣' UNION ALL --熕贑兝兣
SELECT 'gou',N'購' UNION ALL
SELECT 'gu',N'顧' UNION ALL
SELECT 'gua',N'詿' UNION ALL
SELECT 'guai',N'恠' UNION ALL
SELECT 'guan',N'鱹' UNION ALL
SELECT 'guang',N'撗' UNION ALL
SELECT 'gui',N'鱥' UNION ALL
SELECT 'gun',N'謴' UNION ALL
SELECT 'guo',N'腂' UNION ALL
SELECT 'ha',N'哈' UNION ALL
SELECT 'hai',N'饚' UNION ALL
SELECT 'han',N'鶾' UNION ALL
SELECT 'hang',N'沆' UNION ALL
SELECT 'hao',N'兞' UNION ALL
SELECT 'he',N'靏' UNION ALL
SELECT 'hei',N'嬒' UNION ALL
SELECT 'hen',N'恨' UNION ALL
SELECT 'heng',N'堼' UNION ALL --堼囍
SELECT 'hong',N'鬨' UNION ALL
SELECT 'hou',N'鱟' UNION ALL
SELECT 'hu',N'鸌' UNION ALL
SELECT 'hua',N'蘳' UNION ALL
SELECT 'huai',N'蘾' UNION ALL
SELECT 'huan',N'鰀' UNION ALL
SELECT 'huang',N'鎤' UNION ALL
SELECT 'hui',N'顪' UNION ALL
SELECT 'hun',N'諢' UNION ALL
SELECT 'huo',N'夻' UNION ALL
SELECT 'ji',N'驥' UNION ALL
SELECT 'jia',N'嗧' UNION ALL
SELECT 'jian',N'鑳' UNION ALL
SELECT 'jiang',N'謽' UNION ALL
SELECT 'jiao',N'釂' UNION ALL
SELECT 'jie',N'繲' UNION ALL
SELECT 'jin',N'齽' UNION ALL
SELECT 'jing',N'竸' UNION ALL
SELECT 'jiong',N'蘔' UNION ALL
SELECT 'jiu',N'欍' UNION ALL
SELECT 'ju',N'爠' UNION ALL
SELECT 'juan',N'羂' UNION ALL
SELECT 'jue',N'钁' UNION ALL
SELECT 'jun',N'攈' UNION ALL
SELECT 'ka',N'鉲' UNION ALL
SELECT 'kai',N'乫' UNION ALL --鎎乫
SELECT 'kan',N'矙' UNION ALL
SELECT 'kang',N'閌' UNION ALL
SELECT 'kao',N'鯌' UNION ALL
SELECT 'ke',N'騍' UNION ALL
SELECT 'ken',N'褃' UNION ALL
SELECT 'keng',N'鏗' UNION ALL --巪乬唟厼怾
SELECT 'kong',N'廤' UNION ALL
SELECT 'kou',N'鷇' UNION ALL
SELECT 'ku',N'嚳' UNION ALL
SELECT 'kua',N'骻' UNION ALL
SELECT 'kuai',N'鱠' UNION ALL
SELECT 'kuan',N'窾' UNION ALL
SELECT 'kuang',N'鑛' UNION ALL
SELECT 'kui',N'鑎' UNION ALL
SELECT 'kun',N'睏' UNION ALL
SELECT 'kuo',N'穒' UNION ALL
SELECT 'la',N'鞡' UNION ALL
SELECT 'lai',N'籟' UNION ALL
SELECT 'lan',N'糷' UNION ALL
SELECT 'lang',N'唥' UNION ALL
SELECT 'lao',N'軂' UNION ALL
SELECT 'le',N'餎' UNION ALL
SELECT 'lei',N'脷' UNION ALL --嘞脷
SELECT 'leng',N'睖' UNION ALL
SELECT 'li',N'瓈' UNION ALL
SELECT 'lia',N'倆' UNION ALL
SELECT 'lian',N'纞' UNION ALL
SELECT 'liang',N'鍄' UNION ALL
SELECT 'liao',N'瞭' UNION ALL
SELECT 'lie',N'鱲' UNION ALL
SELECT 'lin',N'轥' UNION ALL --轥拎
SELECT 'ling',N'炩' UNION ALL
SELECT 'liu',N'咯' UNION ALL --瓼甅囖咯
SELECT 'long',N'贚' UNION ALL
SELECT 'lou',N'鏤' UNION ALL
SELECT 'lu',N'氇' UNION ALL
SELECT 'lv',N'鑢' UNION ALL
SELECT 'luan',N'亂' UNION ALL
SELECT 'lue',N'擽' UNION ALL
SELECT 'lun',N'論' UNION ALL
SELECT 'luo',N'鱳' UNION ALL
SELECT 'ma',N'嘛' UNION ALL
SELECT 'mai',N'霢' UNION ALL
SELECT 'man',N'蘰' UNION ALL
SELECT 'mang',N'蠎' UNION ALL
SELECT 'mao',N'唜' UNION ALL
SELECT 'me',N'癦' UNION ALL --癦呅
SELECT 'mei',N'嚜' UNION ALL
SELECT 'men',N'們' UNION ALL
SELECT 'meng',N'霥' UNION ALL --霿踎
SELECT 'mi',N'羃' UNION ALL
SELECT 'mian',N'麵' UNION ALL
SELECT 'miao',N'廟' UNION ALL
SELECT 'mie',N'鱴' UNION ALL --鱴瓱
SELECT 'min',N'鰵' UNION ALL
SELECT 'ming',N'詺' UNION ALL
SELECT 'miu',N'謬' UNION ALL
SELECT 'mo',N'耱' UNION ALL --耱乮
SELECT 'mou',N'麰' UNION ALL --麰蟱
SELECT 'mu',N'旀' UNION ALL
SELECT 'na',N'魶' UNION ALL
SELECT 'nai',N'錼' UNION ALL
SELECT 'nan',N'婻' UNION ALL
SELECT 'nang',N'齉' UNION ALL
SELECT 'nao',N'臑' UNION ALL
SELECT 'ne',N'呢' UNION ALL
SELECT 'nei',N'焾' UNION ALL --嫩焾
SELECT 'nen',N'嫩' UNION ALL
SELECT 'neng',N'能' UNION ALL --莻嗯鈪銰啱
SELECT 'ni',N'嬺' UNION ALL
SELECT 'nian',N'艌' UNION ALL
SELECT 'niang',N'釀' UNION ALL
SELECT 'niao',N'脲' UNION ALL
SELECT 'nie',N'钀' UNION ALL
SELECT 'nin',N'拰' UNION ALL
SELECT 'ning',N'濘' UNION ALL
SELECT 'niu',N'靵' UNION ALL
SELECT 'nong',N'齈' UNION ALL
SELECT 'nou',N'譳' UNION ALL
SELECT 'nu',N'搙' UNION ALL
SELECT 'nv',N'衄' UNION ALL
SELECT 'nue',N'瘧' UNION ALL
SELECT 'nuan',N'燶' UNION ALL --硸黁燶郍
SELECT 'nuo',N'桛' UNION ALL
SELECT 'o',N'鞰' UNION ALL --毮夞乯鞰
SELECT 'ou',N'漚' UNION ALL
SELECT 'pa',N'袙' UNION ALL
SELECT 'pai',N'磗' UNION ALL --鎃磗
SELECT 'pan',N'鑻' UNION ALL
SELECT 'pang',N'胖' UNION ALL
SELECT 'pao',N'礮' UNION ALL
SELECT 'pei',N'轡' UNION ALL
SELECT 'pen',N'喯' UNION ALL
SELECT 'peng',N'喸' UNION ALL --浌巼闏乶喸
SELECT 'pi',N'鸊' UNION ALL
SELECT 'pian',N'騙' UNION ALL
SELECT 'piao',N'慓' UNION ALL
SELECT 'pie',N'嫳' UNION ALL
SELECT 'pin',N'聘' UNION ALL
SELECT 'ping',N'蘋' UNION ALL
SELECT 'po',N'魄' UNION ALL
SELECT 'pou',N'哛' UNION ALL --兺哛
SELECT 'pu',N'曝' UNION ALL
SELECT 'qi',N'蟿' UNION ALL
SELECT 'qia',N'髂' UNION ALL
SELECT 'qian',N'縴' UNION ALL
SELECT 'qiang',N'瓩' UNION ALL --羻兛瓩
SELECT 'qiao',N'躈' UNION ALL
SELECT 'qie',N'籡' UNION ALL
SELECT 'qin',N'藽' UNION ALL
SELECT 'qing',N'櫦' UNION ALL
SELECT 'qiong',N'瓗' UNION ALL
SELECT 'qiu',N'糗' UNION ALL
SELECT 'qu',N'覻' UNION ALL
SELECT 'quan',N'勸' UNION ALL
SELECT 'que',N'礭' UNION ALL
SELECT 'qun',N'囕' UNION ALL
SELECT 'ran',N'橪' UNION ALL
SELECT 'rang',N'讓' UNION ALL
SELECT 'rao',N'繞' UNION ALL
SELECT 're',N'熱' UNION ALL
SELECT 'ren',N'餁' UNION ALL
SELECT 'reng',N'陾' UNION ALL
SELECT 'ri',N'馹' UNION ALL
SELECT 'rong',N'穃' UNION ALL
SELECT 'rou',N'嶿' UNION ALL
SELECT 'ru',N'擩' UNION ALL
SELECT 'ruan',N'礝' UNION ALL
SELECT 'rui',N'壡' UNION ALL
SELECT 'run',N'橍' UNION ALL --橍挼
SELECT 'ruo',N'鶸' UNION ALL
SELECT 'sa',N'栍' UNION ALL --櫒栍
SELECT 'sai',N'虄' UNION ALL --簺虄
SELECT 'san',N'閐' UNION ALL
SELECT 'sang',N'喪' UNION ALL
SELECT 'sao',N'髞' UNION ALL
SELECT 'se',N'飋' UNION ALL --裇聓
SELECT 'sen',N'篸' UNION ALL
SELECT 'seng',N'縇' UNION ALL --閪縇
SELECT 'sha',N'霎' UNION ALL
SELECT 'shai',N'曬' UNION ALL
SELECT 'shan',N'鱔' UNION ALL
SELECT 'shang',N'緔' UNION ALL
SELECT 'shao',N'潲' UNION ALL
SELECT 'she',N'欇' UNION ALL
SELECT 'shen',N'瘮' UNION ALL
SELECT 'sheng',N'賸' UNION ALL
SELECT 'shi',N'瓧' UNION ALL --鰘齛兙瓧
SELECT 'shou',N'鏉' UNION ALL
SELECT 'shu',N'虪' UNION ALL
SELECT 'shua',N'誜' UNION ALL
SELECT 'shuai',N'卛' UNION ALL
SELECT 'shuan',N'腨' UNION ALL
SELECT 'shuang',N'灀' UNION ALL
SELECT 'shui',N'睡' UNION ALL
SELECT 'shun',N'鬊' UNION ALL
SELECT 'shuo',N'鑠' UNION ALL
SELECT 'si',N'乺' UNION ALL --瀃螦乺
SELECT 'song',N'鎹' UNION ALL
SELECT 'sou',N'瘶' UNION ALL
SELECT 'su',N'鷫' UNION ALL
SELECT 'suan',N'算' UNION ALL
SELECT 'sui',N'鐩' UNION ALL
SELECT 'sun',N'潠' UNION ALL
SELECT 'suo',N'蜶' UNION ALL
SELECT 'ta',N'襨' UNION ALL --躢襨
SELECT 'tai',N'燤' UNION ALL
SELECT 'tan',N'賧' UNION ALL
SELECT 'tang',N'燙' UNION ALL
SELECT 'tao',N'畓' UNION ALL --討畓
SELECT 'te',N'蟘' UNION ALL
SELECT 'teng',N'朰' UNION ALL --霯唞朰
SELECT 'ti',N'趯' UNION ALL
SELECT 'tian',N'舚' UNION ALL
SELECT 'tiao',N'糶' UNION ALL
SELECT 'tie',N'餮' UNION ALL
SELECT 'ting',N'乭' UNION ALL --濎乭
SELECT 'tong',N'憅' UNION ALL
SELECT 'tou',N'透' UNION ALL
SELECT 'tu',N'鵵' UNION ALL
SELECT 'tuan',N'褖' UNION ALL
SELECT 'tui',N'駾' UNION ALL
SELECT 'tun',N'坉' UNION ALL
SELECT 'tuo',N'籜' UNION ALL
SELECT 'wa',N'韤' UNION ALL
SELECT 'wai',N'顡' UNION ALL
SELECT 'wan',N'贎' UNION ALL
SELECT 'wang',N'朢' UNION ALL
SELECT 'wei',N'躛' UNION ALL
SELECT 'wen',N'璺' UNION ALL
SELECT 'weng',N'齆' UNION ALL
SELECT 'wo',N'齷' UNION ALL
SELECT 'wu',N'鶩' UNION ALL
SELECT 'xi',N'衋' UNION ALL
SELECT 'xia',N'鏬' UNION ALL
SELECT 'xian',N'鼸' UNION ALL
SELECT 'xiang',N'鱌' UNION ALL
SELECT 'xiao',N'斆' UNION ALL
SELECT 'xie',N'躞' UNION ALL
SELECT 'xin',N'釁' UNION ALL
SELECT 'xing',N'臖' UNION ALL
SELECT 'xiong',N'敻' UNION ALL
SELECT 'xiu',N'齅' UNION ALL
SELECT 'xu',N'蓿' UNION ALL
SELECT 'xuan',N'贙' UNION ALL
SELECT 'xue',N'瀥' UNION ALL
SELECT 'xun',N'鑂' UNION ALL
SELECT 'ya',N'齾' UNION ALL
SELECT 'yan',N'灩' UNION ALL
SELECT 'yang',N'樣' UNION ALL
SELECT 'yao',N'鑰' UNION ALL
SELECT 'ye',N'岃' UNION ALL --鸈膶岃
SELECT 'yi',N'齸' UNION ALL
SELECT 'yin',N'檼' UNION ALL
SELECT 'ying',N'譍' UNION ALL
SELECT 'yo',N'喲' UNION ALL
SELECT 'yong',N'醟' UNION ALL
SELECT 'you',N'鼬' UNION ALL
SELECT 'yu',N'爩' UNION ALL
SELECT 'yuan',N'願' UNION ALL
SELECT 'yue',N'鸙' UNION ALL
SELECT 'yun',N'韻' UNION ALL
SELECT 'za',N'雥' UNION ALL
SELECT 'zai',N'縡' UNION ALL
SELECT 'zan',N'饡' UNION ALL
SELECT 'zang',N'臟' UNION ALL
SELECT 'zao',N'竈' UNION ALL
SELECT 'ze',N'稄' UNION ALL
SELECT 'zei',N'鱡' UNION ALL
SELECT 'zen',N'囎' UNION ALL
SELECT 'zeng',N'贈' UNION ALL
SELECT 'zha',N'醡' UNION ALL
SELECT 'zhai',N'瘵' UNION ALL
SELECT 'zhan',N'驏' UNION ALL
SELECT 'zhang',N'瞕' UNION ALL
SELECT 'zhao',N'羄' UNION ALL
SELECT 'zhe',N'鷓' UNION ALL
SELECT 'zhen',N'黮' UNION ALL
SELECT 'zheng',N'證' UNION ALL
SELECT 'zhi',N'豒' UNION ALL
SELECT 'zhong',N'諥' UNION ALL
SELECT 'zhou',N'驟' UNION ALL
SELECT 'zhu',N'鑄' UNION ALL
SELECT 'zhua',N'爪' UNION ALL
SELECT 'zhuai',N'跩' UNION ALL
SELECT 'zhuan',N'籑' UNION ALL
SELECT 'zhuang',N'戅' UNION ALL
SELECT 'zhui',N'鑆' UNION ALL
SELECT 'zhun',N'稕' UNION ALL
SELECT 'zhuo',N'籱' UNION ALL
SELECT 'zi',N'漬' UNION ALL --漬唨
SELECT 'zong',N'縱' UNION ALL
SELECT 'zou',N'媰' UNION ALL
SELECT 'zu',N'謯' UNION ALL
SELECT 'zuan',N'攥' UNION ALL
SELECT 'zui',N'欈' UNION ALL
SELECT 'zun',N'銌' UNION ALL
SELECT 'zuo',N'咗'
GO
--SELECT * FROM [t_GetPinyin]
--2.在辅表[t_GetPinyin]上建立索引提高查询速度
--DROP INDEX [t_GetPinyin].htl258_tony_pxword
CREATE UNIQUE CLUSTERED INDEX htl258_tony_pxword ON [t_GetPinyin]([word])
GO
--3.创建获取字符拼音函数
IF OBJECT_ID('[fn_GetPinyin]') IS NOT NULL
DROP FUNCTION [fn_GetPinyin]
GO
CREATE FUNCTION [dbo].[fn_GetPinyin](@words NVARCHAR(2000))
RETURNS VARCHAR(8000)
AS
BEGIN
DECLARE @word NCHAR(1)
DECLARE @pinyin VARCHAR(8000)
DECLARE @i INT
DECLARE @words_len INT
DECLARE @unicode INT
SET @i=1
SET @words=LTRIM(RTRIM(@words))
SET @words_len=LEN(@words)
WHILE (@i<=@words_len) --循环取字符
BEGIN
SET @word=SUBSTRING(@words,@i,1)
SET @unicode=UNICODE(@word)
SET @pinyin=ISNULL(@pinyin+SPACE(1),'')
+(CASE WHEN UNICODE(@word) BETWEEN 19968 AND 19968+20901
THEN (SELECT TOP 1 py FROM [t_GetPinyin]
WHERE word>=@word COLLATE Chinese_PRC_CS_AS_KS_WS
ORDER BY word ASC)
ELSE @word
END)
SET @i=@i+1
END
RETURN @pinyin
END
GO
--4.生成序列号表(1-20902)
IF OBJECT_ID('NUM') IS NOT NULL
DROP TABLE NUM
GO
SELECT TOP 20901 IDENTITY(INT) AS N
INTO NUM
FROM syscolumns a,syscolumns b
GO
/*
SELECT dbo.fn_GetPinyin(N'中华人民共和国')
--------------------------------------
zhong hua ren min gong he guo
(1 行受影响)
*/
--按序号排序直接查询（汉字太多,显示TOP20就好）
SELECT TOP 20 N 序号,NCHAR(19968+N) 汉字,dbo.fn_GetPinyin(NCHAR(19968 +N)) 拼音 FROM NUM
/*
序号 汉字 拼音
----------- ---- ----------------
1 丁 ding
2 丂 kao
3 七 qi
4 丄 shang
5 丅 xia
6 丆 na
7 万 wan
8 丈 zhang
9 三 san
10 上 shang
11 下 xia
12 丌 ji
13 不 bu
14 与 yu
15 丏 mian
16 丐 gai
17 丑 chou
18 丒 chou
19 专 zhuan
20 且 qie
(20 行受影响)
*/
--按发音排序的高效查询
IF OBJECT_ID('tempdb..#') IS NOT NULL
DROP TABLE #
GO
SELECT N 序号,NCHAR(19968+N) 汉字,dbo.fn_GetPinyin(NCHAR(19968 +N)) 拼音 into # FROM NUM
CREATE INDEX temp_index ON #(汉字)
SELECT * FROM # ORDER BY 汉字 COLLATE Chinese_PRC_CS_AS_KS_WS
--这个查询过程测试用时2s
/*
--用以下语句测试加索引的执行效率
-----------------------------------------------------------
SELECT NCHAR(19968+N) a,dbo.fn_GetPinyin(NCHAR(19968 +N)) b
FROM NUM
WHERE dbo.fn_GetPinyin(NCHAR(19968 +N))='huang'
-----------------------------------------------------------
1.没加索引:16秒
2.[word]字段加聚集索引：1秒
CREATE UNIQUE CLUSTERED INDEX idx_pxword ON [t_GetPinyin]([word])
3.[word]字段加非聚集索引：2秒
CREATE INDEX idx_pxword ON [t_GetPinyin]([word])
4.[py]字段加聚集索引:13秒
CREATE CLUSTERED INDEX idx_pxword ON [t_GetPinyin]([py])
5.[py]字段加非聚集索引:14秒
CREATE INDEX idx_pxword ON [t_GetPinyin]([py])
6.加联合聚集索引: 12秒
CREATE CLUSTERED INDEX idx_pxword ON [t_GetPinyin]([py],[word])
7.加联合非聚集索引：17秒
CREATE INDEX idx_pxword ON [t_GetPinyin]([py],[word])
--最后确定在[word]上加聚集索引速度是最快的。
*/
--以下查出按Chinese_PRC_CS_AS_KS_WS的起点汉字及终点汉字
SELECT MIN(汉字 COLLATE Chinese_PRC_CI_AS) 起点汉字,MAX(汉字 COLLATE Chinese_PRC_CI_AS) 终点汉字 FROM #
/*
起点汉字 终点汉字
---- ----
吖 咗
(1 行受影响)
*/
--因此我们平时查询包含中文汉字时是不完全正确的，看下例
SELECT PATINDEX('%[吖-做]%','咗葄蓙飵糳咗')
/*
-----------
0
(1 行受影响)
*/
SELECT PATINDEX('%[吖-做]%','咗葄蓙飵糳咗袏')
/*
-----------
7
(1 行受影响)
*/
--判断包含中文标准的写法:
SELECT PATINDEX(N'%[吖-咗]%' COLLATE Chinese_PRC_CS_AS_KS_WS,N'中文字符')
/*
-----------
1
(1 行受影响)
*/
--由于当使用 '%[吖-咗]%' 检索时，系统排序使用Chinese_PRC_CS_AS_KS_WS的排序方式，
--因此可以省略COLLATE Chinese_PRC_CS_AS_KS_WS,写为：
SELECT PATINDEX(N'%[吖-咗]%',N'中文字符')
--如果系统默认排序为:Chinese_PRC_CI_AS或Chinese_PRC_CS_AS_KS_WS,可以省略前面的N：
SELECT PATINDEX('%[吖-咗]%','中文字符')
-- Author : htl258(Tony)
-- Date : 2009-09-18 19:03:53
-- Version: Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (Intel X86)
Mar 29 2009 10:27:29
Copyright (c) 1988-2008 Microsoft Corporation
Enterprise Evaluation Edition on Windows NT 5.1 <X86> (Build 2600: Service Pack 2)
---------------------------------*/
--1.创建表[t_GetPinyin],目的为了提高查询效率
IF OBJECT_ID('[t_GetPinyin]') IS NOT NULL
DROP TABLE [t_GetPinyin]
GO
CREATE TABLE [t_GetPinyin]([py] NVARCHAR(20),[word] NVARCHAR(10) COLLATE Chinese_PRC_CS_AS_KS_WS)
INSERT [t_GetPinyin]
SELECT 'a' ,N'厑' UNION ALL
SELECT 'ai',N'靉' UNION ALL
SELECT 'an',N'黯' UNION ALL
SELECT 'ang',N'醠' UNION ALL
SELECT 'ao',N'驁' UNION ALL
SELECT 'ba',N'欛' UNION ALL
SELECT 'bai',N'瓸' UNION ALL --韛兡瓸
SELECT 'ban',N'瓣' UNION ALL
SELECT 'bang',N'鎊' UNION ALL
SELECT 'bao',N'鑤' UNION ALL
SELECT 'bei',N'鐾' UNION ALL
SELECT 'ben',N'輽' UNION ALL
SELECT 'beng',N'鏰' UNION ALL
SELECT 'bi',N'鼊' UNION ALL
SELECT 'bian',N'變' UNION ALL
SELECT 'biao',N'鰾' UNION ALL
SELECT 'bie',N'彆' UNION ALL
SELECT 'bin',N'鬢' UNION ALL
SELECT 'bing',N'靐' UNION ALL
SELECT 'bo',N'蔔' UNION ALL
SELECT 'bu',N'簿' UNION ALL
SELECT 'ca',N'囃' UNION ALL
SELECT 'cai',N'乲' UNION ALL --縩乲
SELECT 'can',N'爘' UNION ALL
SELECT 'cang',N'賶' UNION ALL
SELECT 'cao',N'鼜' UNION ALL
SELECT 'ce',N'簎' UNION ALL
SELECT 'cen',N'笒' UNION ALL
SELECT 'ceng',N'乽' UNION ALL --硛硳岾猠乽
SELECT 'cha',N'詫' UNION ALL
SELECT 'chai',N'囆' UNION ALL
SELECT 'chan',N'顫' UNION ALL
SELECT 'chang',N'韔' UNION ALL
SELECT 'chao',N'觘' UNION ALL
SELECT 'che',N'爡' UNION ALL
SELECT 'chen',N'讖' UNION ALL
SELECT 'cheng',N'秤' UNION ALL
SELECT 'chi',N'鷘' UNION ALL
SELECT 'chong',N'銃' UNION ALL
SELECT 'chou',N'殠' UNION ALL
SELECT 'chu',N'矗' UNION ALL
SELECT 'chuai',N'踹' UNION ALL
SELECT 'chuan',N'鶨' UNION ALL
SELECT 'chuang',N'愴' UNION ALL
SELECT 'chui',N'顀' UNION ALL
SELECT 'chun',N'蠢' UNION ALL
SELECT 'chuo',N'縒' UNION ALL
SELECT 'ci',N'嗭' UNION ALL --賜嗭
SELECT 'cong',N'謥' UNION ALL
SELECT 'cou',N'輳' UNION ALL
SELECT 'cu',N'顣' UNION ALL
SELECT 'cuan',N'爨' UNION ALL
SELECT 'cui',N'臎' UNION ALL
SELECT 'cun',N'籿' UNION ALL
SELECT 'cuo',N'錯' UNION ALL
SELECT 'da',N'橽' UNION ALL
SELECT 'dai',N'靆' UNION ALL
SELECT 'dan',N'饏' UNION ALL
SELECT 'dang',N'闣' UNION ALL
SELECT 'dao',N'纛' UNION ALL
SELECT 'de',N'的' UNION ALL
SELECT 'den',N'扽' UNION ALL
SELECT 'deng',N'鐙' UNION ALL
SELECT 'di',N'螮' UNION ALL
SELECT 'dia',N'嗲' UNION ALL
SELECT 'dian',N'驔' UNION ALL
SELECT 'diao',N'鑃' UNION ALL
SELECT 'die',N'嚸' UNION ALL --眰嚸
SELECT 'ding',N'顁' UNION ALL
SELECT 'diu',N'銩' UNION ALL
SELECT 'dong',N'霘' UNION ALL
SELECT 'dou',N'鬭' UNION ALL
SELECT 'du',N'蠹' UNION ALL
SELECT 'duan',N'叾' UNION ALL --籪叾
SELECT 'dui',N'譵' UNION ALL
SELECT 'dun',N'踲' UNION ALL
SELECT 'duo',N'鵽' UNION ALL
SELECT 'e',N'鱷' UNION ALL
SELECT 'en',N'摁' UNION ALL
SELECT 'eng',N'鞥' UNION ALL
SELECT 'er',N'樲' UNION ALL
SELECT 'fa',N'髮' UNION ALL
SELECT 'fan',N'瀪' UNION ALL
SELECT 'fang',N'放' UNION ALL
SELECT 'fei',N'靅' UNION ALL
SELECT 'fen',N'鱝' UNION ALL
SELECT 'feng',N'覅' UNION ALL
SELECT 'fo',N'梻' UNION ALL
SELECT 'fou',N'鴀' UNION ALL
SELECT 'fu',N'猤' UNION ALL --鰒猤
SELECT 'ga',N'魀' UNION ALL
SELECT 'gai',N'瓂' UNION ALL
SELECT 'gan',N'灨' UNION ALL
SELECT 'gang',N'戇' UNION ALL
SELECT 'gao',N'鋯' UNION ALL
SELECT 'ge',N'獦' UNION ALL
SELECT 'gei',N'給' UNION ALL
SELECT 'gen',N'搄' UNION ALL
SELECT 'geng',N'堩' UNION ALL --亙堩啹喼嗰
SELECT 'gong',N'兣' UNION ALL --熕贑兝兣
SELECT 'gou',N'購' UNION ALL
SELECT 'gu',N'顧' UNION ALL
SELECT 'gua',N'詿' UNION ALL
SELECT 'guai',N'恠' UNION ALL
SELECT 'guan',N'鱹' UNION ALL
SELECT 'guang',N'撗' UNION ALL
SELECT 'gui',N'鱥' UNION ALL
SELECT 'gun',N'謴' UNION ALL
SELECT 'guo',N'腂' UNION ALL
SELECT 'ha',N'哈' UNION ALL
SELECT 'hai',N'饚' UNION ALL
SELECT 'han',N'鶾' UNION ALL
SELECT 'hang',N'沆' UNION ALL
SELECT 'hao',N'兞' UNION ALL
SELECT 'he',N'靏' UNION ALL
SELECT 'hei',N'嬒' UNION ALL
SELECT 'hen',N'恨' UNION ALL
SELECT 'heng',N'堼' UNION ALL --堼囍
SELECT 'hong',N'鬨' UNION ALL
SELECT 'hou',N'鱟' UNION ALL
SELECT 'hu',N'鸌' UNION ALL
SELECT 'hua',N'蘳' UNION ALL
SELECT 'huai',N'蘾' UNION ALL
SELECT 'huan',N'鰀' UNION ALL
SELECT 'huang',N'鎤' UNION ALL
SELECT 'hui',N'顪' UNION ALL
SELECT 'hun',N'諢' UNION ALL
SELECT 'huo',N'夻' UNION ALL
SELECT 'ji',N'驥' UNION ALL
SELECT 'jia',N'嗧' UNION ALL
SELECT 'jian',N'鑳' UNION ALL
SELECT 'jiang',N'謽' UNION ALL
SELECT 'jiao',N'釂' UNION ALL
SELECT 'jie',N'繲' UNION ALL
SELECT 'jin',N'齽' UNION ALL
SELECT 'jing',N'竸' UNION ALL
SELECT 'jiong',N'蘔' UNION ALL
SELECT 'jiu',N'欍' UNION ALL
SELECT 'ju',N'爠' UNION ALL
SELECT 'juan',N'羂' UNION ALL
SELECT 'jue',N'钁' UNION ALL
SELECT 'jun',N'攈' UNION ALL
SELECT 'ka',N'鉲' UNION ALL
SELECT 'kai',N'乫' UNION ALL --鎎乫
SELECT 'kan',N'矙' UNION ALL
SELECT 'kang',N'閌' UNION ALL
SELECT 'kao',N'鯌' UNION ALL
SELECT 'ke',N'騍' UNION ALL
SELECT 'ken',N'褃' UNION ALL
SELECT 'keng',N'鏗' UNION ALL --巪乬唟厼怾
SELECT 'kong',N'廤' UNION ALL
SELECT 'kou',N'鷇' UNION ALL
SELECT 'ku',N'嚳' UNION ALL
SELECT 'kua',N'骻' UNION ALL
SELECT 'kuai',N'鱠' UNION ALL
SELECT 'kuan',N'窾' UNION ALL
SELECT 'kuang',N'鑛' UNION ALL
SELECT 'kui',N'鑎' UNION ALL
SELECT 'kun',N'睏' UNION ALL
SELECT 'kuo',N'穒' UNION ALL
SELECT 'la',N'鞡' UNION ALL
SELECT 'lai',N'籟' UNION ALL
SELECT 'lan',N'糷' UNION ALL
SELECT 'lang',N'唥' UNION ALL
SELECT 'lao',N'軂' UNION ALL
SELECT 'le',N'餎' UNION ALL
SELECT 'lei',N'脷' UNION ALL --嘞脷
SELECT 'leng',N'睖' UNION ALL
SELECT 'li',N'瓈' UNION ALL
SELECT 'lia',N'倆' UNION ALL
SELECT 'lian',N'纞' UNION ALL
SELECT 'liang',N'鍄' UNION ALL
SELECT 'liao',N'瞭' UNION ALL
SELECT 'lie',N'鱲' UNION ALL
SELECT 'lin',N'轥' UNION ALL --轥拎
SELECT 'ling',N'炩' UNION ALL
SELECT 'liu',N'咯' UNION ALL --瓼甅囖咯
SELECT 'long',N'贚' UNION ALL
SELECT 'lou',N'鏤' UNION ALL
SELECT 'lu',N'氇' UNION ALL
SELECT 'lv',N'鑢' UNION ALL
SELECT 'luan',N'亂' UNION ALL
SELECT 'lue',N'擽' UNION ALL
SELECT 'lun',N'論' UNION ALL
SELECT 'luo',N'鱳' UNION ALL
SELECT 'ma',N'嘛' UNION ALL
SELECT 'mai',N'霢' UNION ALL
SELECT 'man',N'蘰' UNION ALL
SELECT 'mang',N'蠎' UNION ALL
SELECT 'mao',N'唜' UNION ALL
SELECT 'me',N'癦' UNION ALL --癦呅
SELECT 'mei',N'嚜' UNION ALL
SELECT 'men',N'們' UNION ALL
SELECT 'meng',N'霥' UNION ALL --霿踎
SELECT 'mi',N'羃' UNION ALL
SELECT 'mian',N'麵' UNION ALL
SELECT 'miao',N'廟' UNION ALL
SELECT 'mie',N'鱴' UNION ALL --鱴瓱
SELECT 'min',N'鰵' UNION ALL
SELECT 'ming',N'詺' UNION ALL
SELECT 'miu',N'謬' UNION ALL
SELECT 'mo',N'耱' UNION ALL --耱乮
SELECT 'mou',N'麰' UNION ALL --麰蟱
SELECT 'mu',N'旀' UNION ALL
SELECT 'na',N'魶' UNION ALL
SELECT 'nai',N'錼' UNION ALL
SELECT 'nan',N'婻' UNION ALL
SELECT 'nang',N'齉' UNION ALL
SELECT 'nao',N'臑' UNION ALL
SELECT 'ne',N'呢' UNION ALL
SELECT 'nei',N'焾' UNION ALL --嫩焾
SELECT 'nen',N'嫩' UNION ALL
SELECT 'neng',N'能' UNION ALL --莻嗯鈪銰啱
SELECT 'ni',N'嬺' UNION ALL
SELECT 'nian',N'艌' UNION ALL
SELECT 'niang',N'釀' UNION ALL
SELECT 'niao',N'脲' UNION ALL
SELECT 'nie',N'钀' UNION ALL
SELECT 'nin',N'拰' UNION ALL
SELECT 'ning',N'濘' UNION ALL
SELECT 'niu',N'靵' UNION ALL
SELECT 'nong',N'齈' UNION ALL
SELECT 'nou',N'譳' UNION ALL
SELECT 'nu',N'搙' UNION ALL
SELECT 'nv',N'衄' UNION ALL
SELECT 'nue',N'瘧' UNION ALL
SELECT 'nuan',N'燶' UNION ALL --硸黁燶郍
SELECT 'nuo',N'桛' UNION ALL
SELECT 'o',N'鞰' UNION ALL --毮夞乯鞰
SELECT 'ou',N'漚' UNION ALL
SELECT 'pa',N'袙' UNION ALL
SELECT 'pai',N'磗' UNION ALL --鎃磗
SELECT 'pan',N'鑻' UNION ALL
SELECT 'pang',N'胖' UNION ALL
SELECT 'pao',N'礮' UNION ALL
SELECT 'pei',N'轡' UNION ALL
SELECT 'pen',N'喯' UNION ALL
SELECT 'peng',N'喸' UNION ALL --浌巼闏乶喸
SELECT 'pi',N'鸊' UNION ALL
SELECT 'pian',N'騙' UNION ALL
SELECT 'piao',N'慓' UNION ALL
SELECT 'pie',N'嫳' UNION ALL
SELECT 'pin',N'聘' UNION ALL
SELECT 'ping',N'蘋' UNION ALL
SELECT 'po',N'魄' UNION ALL
SELECT 'pou',N'哛' UNION ALL --兺哛
SELECT 'pu',N'曝' UNION ALL
SELECT 'qi',N'蟿' UNION ALL
SELECT 'qia',N'髂' UNION ALL
SELECT 'qian',N'縴' UNION ALL
SELECT 'qiang',N'瓩' UNION ALL --羻兛瓩
SELECT 'qiao',N'躈' UNION ALL
SELECT 'qie',N'籡' UNION ALL
SELECT 'qin',N'藽' UNION ALL
SELECT 'qing',N'櫦' UNION ALL
SELECT 'qiong',N'瓗' UNION ALL
SELECT 'qiu',N'糗' UNION ALL
SELECT 'qu',N'覻' UNION ALL
SELECT 'quan',N'勸' UNION ALL
SELECT 'que',N'礭' UNION ALL
SELECT 'qun',N'囕' UNION ALL
SELECT 'ran',N'橪' UNION ALL
SELECT 'rang',N'讓' UNION ALL
SELECT 'rao',N'繞' UNION ALL
SELECT 're',N'熱' UNION ALL
SELECT 'ren',N'餁' UNION ALL
SELECT 'reng',N'陾' UNION ALL
SELECT 'ri',N'馹' UNION ALL
SELECT 'rong',N'穃' UNION ALL
SELECT 'rou',N'嶿' UNION ALL
SELECT 'ru',N'擩' UNION ALL
SELECT 'ruan',N'礝' UNION ALL
SELECT 'rui',N'壡' UNION ALL
SELECT 'run',N'橍' UNION ALL --橍挼
SELECT 'ruo',N'鶸' UNION ALL
SELECT 'sa',N'栍' UNION ALL --櫒栍
SELECT 'sai',N'虄' UNION ALL --簺虄
SELECT 'san',N'閐' UNION ALL
SELECT 'sang',N'喪' UNION ALL
SELECT 'sao',N'髞' UNION ALL
SELECT 'se',N'飋' UNION ALL --裇聓
SELECT 'sen',N'篸' UNION ALL
SELECT 'seng',N'縇' UNION ALL --閪縇
SELECT 'sha',N'霎' UNION ALL
SELECT 'shai',N'曬' UNION ALL
SELECT 'shan',N'鱔' UNION ALL
SELECT 'shang',N'緔' UNION ALL
SELECT 'shao',N'潲' UNION ALL
SELECT 'she',N'欇' UNION ALL
SELECT 'shen',N'瘮' UNION ALL
SELECT 'sheng',N'賸' UNION ALL
SELECT 'shi',N'瓧' UNION ALL --鰘齛兙瓧
SELECT 'shou',N'鏉' UNION ALL
SELECT 'shu',N'虪' UNION ALL
SELECT 'shua',N'誜' UNION ALL
SELECT 'shuai',N'卛' UNION ALL
SELECT 'shuan',N'腨' UNION ALL
SELECT 'shuang',N'灀' UNION ALL
SELECT 'shui',N'睡' UNION ALL
SELECT 'shun',N'鬊' UNION ALL
SELECT 'shuo',N'鑠' UNION ALL
SELECT 'si',N'乺' UNION ALL --瀃螦乺
SELECT 'song',N'鎹' UNION ALL
SELECT 'sou',N'瘶' UNION ALL
SELECT 'su',N'鷫' UNION ALL
SELECT 'suan',N'算' UNION ALL
SELECT 'sui',N'鐩' UNION ALL
SELECT 'sun',N'潠' UNION ALL
SELECT 'suo',N'蜶' UNION ALL
SELECT 'ta',N'襨' UNION ALL --躢襨
SELECT 'tai',N'燤' UNION ALL
SELECT 'tan',N'賧' UNION ALL
SELECT 'tang',N'燙' UNION ALL
SELECT 'tao',N'畓' UNION ALL --討畓
SELECT 'te',N'蟘' UNION ALL
SELECT 'teng',N'朰' UNION ALL --霯唞朰
SELECT 'ti',N'趯' UNION ALL
SELECT 'tian',N'舚' UNION ALL
SELECT 'tiao',N'糶' UNION ALL
SELECT 'tie',N'餮' UNION ALL
SELECT 'ting',N'乭' UNION ALL --濎乭
SELECT 'tong',N'憅' UNION ALL
SELECT 'tou',N'透' UNION ALL
SELECT 'tu',N'鵵' UNION ALL
SELECT 'tuan',N'褖' UNION ALL
SELECT 'tui',N'駾' UNION ALL
SELECT 'tun',N'坉' UNION ALL
SELECT 'tuo',N'籜' UNION ALL
SELECT 'wa',N'韤' UNION ALL
SELECT 'wai',N'顡' UNION ALL
SELECT 'wan',N'贎' UNION ALL
SELECT 'wang',N'朢' UNION ALL
SELECT 'wei',N'躛' UNION ALL
SELECT 'wen',N'璺' UNION ALL
SELECT 'weng',N'齆' UNION ALL
SELECT 'wo',N'齷' UNION ALL
SELECT 'wu',N'鶩' UNION ALL
SELECT 'xi',N'衋' UNION ALL
SELECT 'xia',N'鏬' UNION ALL
SELECT 'xian',N'鼸' UNION ALL
SELECT 'xiang',N'鱌' UNION ALL
SELECT 'xiao',N'斆' UNION ALL
SELECT 'xie',N'躞' UNION ALL
SELECT 'xin',N'釁' UNION ALL
SELECT 'xing',N'臖' UNION ALL
SELECT 'xiong',N'敻' UNION ALL
SELECT 'xiu',N'齅' UNION ALL
SELECT 'xu',N'蓿' UNION ALL
SELECT 'xuan',N'贙' UNION ALL
SELECT 'xue',N'瀥' UNION ALL
SELECT 'xun',N'鑂' UNION ALL
SELECT 'ya',N'齾' UNION ALL
SELECT 'yan',N'灩' UNION ALL
SELECT 'yang',N'樣' UNION ALL
SELECT 'yao',N'鑰' UNION ALL
SELECT 'ye',N'岃' UNION ALL --鸈膶岃
SELECT 'yi',N'齸' UNION ALL
SELECT 'yin',N'檼' UNION ALL
SELECT 'ying',N'譍' UNION ALL
SELECT 'yo',N'喲' UNION ALL
SELECT 'yong',N'醟' UNION ALL
SELECT 'you',N'鼬' UNION ALL
SELECT 'yu',N'爩' UNION ALL
SELECT 'yuan',N'願' UNION ALL
SELECT 'yue',N'鸙' UNION ALL
SELECT 'yun',N'韻' UNION ALL
SELECT 'za',N'雥' UNION ALL
SELECT 'zai',N'縡' UNION ALL
SELECT 'zan',N'饡' UNION ALL
SELECT 'zang',N'臟' UNION ALL
SELECT 'zao',N'竈' UNION ALL
SELECT 'ze',N'稄' UNION ALL
SELECT 'zei',N'鱡' UNION ALL
SELECT 'zen',N'囎' UNION ALL
SELECT 'zeng',N'贈' UNION ALL
SELECT 'zha',N'醡' UNION ALL
SELECT 'zhai',N'瘵' UNION ALL
SELECT 'zhan',N'驏' UNION ALL
SELECT 'zhang',N'瞕' UNION ALL
SELECT 'zhao',N'羄' UNION ALL
SELECT 'zhe',N'鷓' UNION ALL
SELECT 'zhen',N'黮' UNION ALL
SELECT 'zheng',N'證' UNION ALL
SELECT 'zhi',N'豒' UNION ALL
SELECT 'zhong',N'諥' UNION ALL
SELECT 'zhou',N'驟' UNION ALL
SELECT 'zhu',N'鑄' UNION ALL
SELECT 'zhua',N'爪' UNION ALL
SELECT 'zhuai',N'跩' UNION ALL
SELECT 'zhuan',N'籑' UNION ALL
SELECT 'zhuang',N'戅' UNION ALL
SELECT 'zhui',N'鑆' UNION ALL
SELECT 'zhun',N'稕' UNION ALL
SELECT 'zhuo',N'籱' UNION ALL
SELECT 'zi',N'漬' UNION ALL --漬唨
SELECT 'zong',N'縱' UNION ALL
SELECT 'zou',N'媰' UNION ALL
SELECT 'zu',N'謯' UNION ALL
SELECT 'zuan',N'攥' UNION ALL
SELECT 'zui',N'欈' UNION ALL
SELECT 'zun',N'銌' UNION ALL
SELECT 'zuo',N'咗'
GO
--SELECT * FROM [t_GetPinyin]
--2.在辅表[t_GetPinyin]上建立索引提高查询速度
--DROP INDEX [t_GetPinyin].htl258_tony_pxword
CREATE UNIQUE CLUSTERED INDEX htl258_tony_pxword ON [t_GetPinyin]([word])
GO
--3.创建获取字符拼音函数
IF OBJECT_ID('[fn_GetPinyin]') IS NOT NULL
DROP FUNCTION [fn_GetPinyin]
GO
CREATE FUNCTION [dbo].[fn_GetPinyin](@words NVARCHAR(2000))
RETURNS VARCHAR(8000)
AS
BEGIN
DECLARE @word NCHAR(1)
DECLARE @pinyin VARCHAR(8000)
DECLARE @i INT
DECLARE @words_len INT
DECLARE @unicode INT
SET @i=1
SET @words=LTRIM(RTRIM(@words))
SET @words_len=LEN(@words)
WHILE (@i<=@words_len) --循环取字符
BEGIN
SET @word=SUBSTRING(@words,@i,1)
SET @unicode=UNICODE(@word)
SET @pinyin=ISNULL(@pinyin+SPACE(1),'')
+(CASE WHEN UNICODE(@word) BETWEEN 19968 AND 19968+20901
THEN (SELECT TOP 1 py FROM [t_GetPinyin]
WHERE word>=@word COLLATE Chinese_PRC_CS_AS_KS_WS
ORDER BY word ASC)
ELSE @word
END)
SET @i=@i+1
END
RETURN @pinyin
END
GO
--4.生成序列号表(1-20902)
IF OBJECT_ID('NUM') IS NOT NULL
DROP TABLE NUM
GO
SELECT TOP 20901 IDENTITY(INT) AS N
INTO NUM
FROM syscolumns a,syscolumns b
GO
/*
SELECT dbo.fn_GetPinyin(N'中华人民共和国')
--------------------------------------
zhong hua ren min gong he guo
(1 行受影响)
*/
--按序号排序直接查询（汉字太多,显示TOP20就好）
SELECT TOP 20 N 序号,NCHAR(19968+N) 汉字,dbo.fn_GetPinyin(NCHAR(19968 +N)) 拼音 FROM NUM
/*
序号 汉字 拼音
----------- ---- ----------------
1 丁 ding
2 丂 kao
3 七 qi
4 丄 shang
5 丅 xia
6 丆 na
7 万 wan
8 丈 zhang
9 三 san
10 上 shang
11 下 xia
12 丌 ji
13 不 bu
14 与 yu
15 丏 mian
16 丐 gai
17 丑 chou
18 丒 chou
19 专 zhuan
20 且 qie
(20 行受影响)
*/
--按发音排序的高效查询
IF OBJECT_ID('tempdb..#') IS NOT NULL
DROP TABLE #
GO
SELECT N 序号,NCHAR(19968+N) 汉字,dbo.fn_GetPinyin(NCHAR(19968 +N)) 拼音 into # FROM NUM
CREATE INDEX temp_index ON #(汉字)
SELECT * FROM # ORDER BY 汉字 COLLATE Chinese_PRC_CS_AS_KS_WS
--这个查询过程测试用时2s
/*
--用以下语句测试加索引的执行效率
-----------------------------------------------------------
SELECT NCHAR(19968+N) a,dbo.fn_GetPinyin(NCHAR(19968 +N)) b
FROM NUM
WHERE dbo.fn_GetPinyin(NCHAR(19968 +N))='huang'
-----------------------------------------------------------
1.没加索引:16秒
2.[word]字段加聚集索引：1秒
CREATE UNIQUE CLUSTERED INDEX idx_pxword ON [t_GetPinyin]([word])
3.[word]字段加非聚集索引：2秒
CREATE INDEX idx_pxword ON [t_GetPinyin]([word])
4.[py]字段加聚集索引:13秒
CREATE CLUSTERED INDEX idx_pxword ON [t_GetPinyin]([py])
5.[py]字段加非聚集索引:14秒
CREATE INDEX idx_pxword ON [t_GetPinyin]([py])
6.加联合聚集索引: 12秒
CREATE CLUSTERED INDEX idx_pxword ON [t_GetPinyin]([py],[word])
7.加联合非聚集索引：17秒
CREATE INDEX idx_pxword ON [t_GetPinyin]([py],[word])
--最后确定在[word]上加聚集索引速度是最快的。
*/
--以下查出按Chinese_PRC_CS_AS_KS_WS的起点汉字及终点汉字
SELECT MIN(汉字 COLLATE Chinese_PRC_CI_AS) 起点汉字,MAX(汉字 COLLATE Chinese_PRC_CI_AS) 终点汉字 FROM #
/*
起点汉字 终点汉字
---- ----
吖 咗
(1 行受影响)
*/
--因此我们平时查询包含中文汉字时是不完全正确的，看下例
SELECT PATINDEX('%[吖-做]%','咗葄蓙飵糳咗')
/*
-----------
0
(1 行受影响)
*/
SELECT PATINDEX('%[吖-做]%','咗葄蓙飵糳咗袏')
/*
-----------
7
(1 行受影响)
*/
--判断包含中文标准的写法:
SELECT PATINDEX(N'%[吖-咗]%' COLLATE Chinese_PRC_CS_AS_KS_WS,N'中文字符')
/*
-----------
1
(1 行受影响)
*/
--由于当使用 '%[吖-咗]%' 检索时，系统排序使用Chinese_PRC_CS_AS_KS_WS的排序方式，
--因此可以省略COLLATE Chinese_PRC_CS_AS_KS_WS,写为：
SELECT PATINDEX(N'%[吖-咗]%',N'中文字符')
--如果系统默认排序为:Chinese_PRC_CI_AS或Chinese_PRC_CS_AS_KS_WS,可以省略前面的N：
SELECT PATINDEX('%[吖-咗]%','中文字符')
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