MySQL implementation of database using Pinyin to search Chinese

Source: Internet
Author: User

1. Create a table:

CREATE tableif not EXISTS ' t_base_pinyin ' (' Pin_yin_ ' VARCHAR (255) CHARACTERSET GBK not NULL, ' Code_ ' INT (one) not NULL,PR Imary KEY (' code_ ') ENGINE = INNODB DEFAULT CHARSET = latin1;

2. Insert Data:

insert into t_base_pinyin  (Pin_yin_, code_) VALUES ("A",  20319), ("AI",  20317), ("an ",  20304), (" Ang ",  20295), (" AO ",  20292), (" Ba ",  20283), (" Bai ",  20265), (" Ban ",  20257), ("Bang",  20242), ("Bao",  20230), ("Bei",  20051), ("Ben",  20036), ("Beng",  20032), ( "Bi",  20026), ("Bian",  20002), ("Biao",  19990), ("Bie",  19986), ("Bin",  19982), ("Bing",  19976), ("Bo",  19805), ("Bu",  19784), ("Ca",  19775), ("Cai",  19774), ("Can",  19763), ("Cang",  19756), ("Cao",  19751), ("Ce",  19746), ("CEng",  19741), ("Cha",  19739), ("Chai",  19728), ("Chan",  19725), ("Chang",  19715), ("Chao",  19540), ("Che",  19531), ("Chen",  19525), ("Cheng",  19515), ("Chi",  19500), ("Chong",  19484), ("Chou",  19479), ("Chu",  19467), ("Chuai",  19289), ("Chuan",  19288), ("Chuang",  19281), ("Chui",  19275), ("Chun",  19270), ("Chuo",  19263), ("Ci",  19261), ("Cong",  19249), ("Cou",  19243), ("Cu",  19242), ("Cuan",  19238), (" Cui ",  19235), (" Cun ",  19227), (" CuO ",  19224), (" Da ",  19218), (" Dai ",  19212), (" Dan ",  19038), ("Dang",  19023), ("DAO",  19018), ("De",  19006), ("Deng",  19003), ("Di",  18996), (" Dian ",  18977), (" Diao ",  18961), (" Die ",  18952), (" Ding ",  18783), (" Diu ",  18774), (" Dong ",  18773), ("Dou",  18763), ("Du",  18756), ("Duan",  18741), ("DUI",  18735), ("Dun",  18731), ("Duo",  18722), ("E",  18710), ("en",  18697), ("ER",  18696), ("FA",  18526), ("Fan",  18518), ("Fang",  18501), ("Fei",  18490), ("Fen",  18478), ("Feng",  18463), ("Fo",  18448), ("Fou",  18447), ("Fu",  18446), ("Ga",  18239), ("Gai",  18237), ("Gan",  18231), (" Gang ",  18220), (" Gao ",  18211), (" GE ",  18201), (" GEi ",  18184), (" Gen ",  18183), (" Geng ",  18181), ("Gong",  18012), ("Gou",  17997), ("Gu",  17988), ("Gua",  17970), ("Guai",  17964), ("Guan",  17961), and (" Guang ",  17950), (" GUI ",  17947), (" Gun ",  17931), (" Guo ",  17928), (" Ha ",  17922), (" Hai ",  17759), ("Han",  17752), ("Hang",  17733), ("Hao",  17730), ("he",  17721), ("Hei",  17703), ("Hen",  17701), ("Heng",  17697), ("Hong",  17692), ("Hou",  17683), ("Hu",  17676), (" Hua ",  17496), (" Huai ",  17487), (" Huan ",  17482), (" Huang ",  17468), (" Hui ",  17454), (HUN),  17433), ("Huo",  17427), ("Ji",  17417), ("Jia",  17202), ("Jian",  17185), ("Jiang",  16983), ("Jiao",  16970), ("Jie",  16942), ("Jin",  16915), ("Jing",  16733), ("Jiong",  16708) , ("JIU",  16706), ("Ju",  16689), ("Juan",  16664), ("Jue",  16657), ("June",  16647), ("Ka",  16474), ("Kai",  16470), ("Kan",  16465), ("Kang",  16459), ("Kao",  16452), ("Ke",  16448), ("Ken",  16433), ("KEng ",  16429), (" Kong ",  16427), (" Kou ",  16423), (" Ku ",  16419), (" Kua ",  16412), (" Kuai ",  16407), ("Kuan",  16403), ("Kuang",  16401), ("Kui",  16393), ("Kun",  16220), ("Kuo",  16216), ("La",  16212), ("Lai",  16205), ("LAN",  16202), ("Lang",  16187), ("Lao",  16180), (" Le ",  16171), (" Lei ",  16169), (" Leng ",  16158), (" Li ",  16155), (" Lia ",  15959), (" Lian ",  15958), ("Liang",  15944), ("Liao",  15933), ("Lie",  15920), ("Lin",  15915), ("Ling",  15903), ("Liu",  15889), ("Long",  15878), ("Lou",  15707), ("Lu",  15701), ("LV",  15681), (" Luan ",  15667), (" Lue ",  15661), (" Lun ",  15659), (" Luo ",  15652), (" Ma ",  15640), (" Mai ",  15631), ("Man",  15625), ("Mang",  15454), ("Mao",  15448), ("Me",  15436), ("Mei",  15435), ("Men",  15419), ("Meng",  15416), ("Mi",  15408), ("Mian",  15394), ("Miao",  15385), ( "Mie",  15377), ("Min", 15375), ("Ming",  15369), ("Miu",  15363), ("Mo",  15362), ("MoU",  15183), ("Mu",  15180), ("NA ",  15165), (" Nai ",  15158), (" Nan ",  15153), (" Nang ",  15150), (" Nao ",  15149), (" Ne ",  15144), ("Nei",  15143), ("nen",  15141), ("Neng",  15140), ("Ni",  15139), ("Nian",  15128), (" Niang ",  15121), (" Niao ",  15119), (" Nie ",  15117), (" Nin ",  15110), (" Ning ",  15109), (NIU),  14941), ("Nong",  14937), ("Nu",  14933), ("NV",  14930), ("Nuan",  14929), ("Nue",  14928), ("Nuo",  14926), ("O",  14922), ("ou",  14921), ("Pa",  14914), ("Pai",  14908), ("Pan",  14902), ("Pang",  14894), ("Pao",  14889), ("Pei",  14882), ("pen",  14873), ("Peng",  14871), ("PI",  14857), ("Pian",  14678), ("Piao",  14674), ("Pie",  14670), ("Pin",  14668), (" Ping ",  14663), (" Po ",  14654), (" Pu ",  14645), (" Qi ",  14630), (" QIA ",  14594), (" Qian ",  14429), ("Qiang", &NBsp;14407), ("Qiao",  14399), ("Qie",  14384), ("Qin",  14379), ("Qing",  14368), ("Qiong",  14355), ("Qiu",  14353), ("Qu",  14345), ("Quan",  14170), ("que",  14159), ("Qun",  14151), and (" Ran ",  14149), (" Rang ",  14145), (" Rao ",  14140), (" Re ",  14137), (" Ren ",  14135), (" Reng ",  14125), ("Ri",  14123), ("Rong",  14122), ("Rou",  14112), ("Ru",  14109), ("Ruan",  14099), ("Rui",  14097), ("Run",  14094), ("Ruo",  14092), ("sa",  14090), ("Sai",  14087), (" San ",  14083), (" sang ",  13917), (" Sao ",  13914), (" se ",  13910), (" Sen ",  13907), (" Seng ",  13906), ("Sha",  13905), ("Shai",  13896), ("Shan",  13894), ("Shang",  13878), ("Shao",  13870), ("she",  13859), ("Shen",  13847), ("Sheng",  13831), ("Shi",  13658), ("Shou",  13611), ("Shu",  13601), ("Shua",  13406), ("Shuai",  13404), ("Shuan",  13400), ("Shuang",  13398), ("Shui",  13395), ("Shun",  13391), ("Shuo",  13387), ("Si",  13383), ("song",  13367), ("Sou",  13359), ("Su",  13356), ("Suan",  13343), ("Sui",  13340), ("Sun",  13329), ("suo",  13326), ("Ta",  13318), (" Tai ",  13147), (" Tan ",  13138), (" Tang ",  13120), (" Tao ",  13107), (" TE ",  13096), (" Teng ",  13095), ("Ti",  13091), ("Tian",  13076), ("Tiao",  13068), ("Tie",  13063), ("Ting",  13060), ("Tong",  12888), ("Tou",  12875), ("Tu",  12871), ("Tuan",  12860), ("Tui",  12858), (the " Tun ",  12852), (" Tuo ",  12849), (" WA ",  12838), (" Wai ",  12831), (" Wan ",  12829), (" Wang ",  12812), ("Wei",  12802), ("Wen",  12607), ("Weng",  12597), ("Wo",  12594), ("WU",  12585 ), ("Xi",  12556), ("Xia",  12359), ("Xian",  12346), ("Xiang",  12320), ("Xiao",  12300), (Xie ",  12120), (" Xin ",  12099), (" Xing ",  12089), (" Xiong ",  12074), (" Xiu ",  12067), (" Xu ",  12058), ("Xuan",  12039), ("Xue",  11867), ("Xun",  11861), ("Ya",  11847), ("Yan",  11831), ("Yang",  11798), ("Yao",  11781), ("Ye",  11604), ("Yi",  11589), ("Yin",  11536), ("Ying",  11358), ("Yo",  11340) , ("Yong",  11339), ("You",  11324), ("Yu",  11303), ("Yuan",  11097), ("Yue",  11077), ("Yun",  11067), ("Za",  11055), ("Zai",  11052), ("Zan",  11045), ("Zang",  11041), ("Zao",  11038), ("Ze",  11024), ("Zei",  11020), ("Zen",  11019), ("Zeng",  11018), ("Zha",  11014), ( Zhai ",  10838), (" Zhan ",  10832), (" Zhang ",  10815), (" Zhao ",  10800), (" Zhe ",  10790), (" Zhen " ,  10780), ("Zheng",  10764), ("Zhi",  10587), ("Zhong",  10544), ("Zhou",  10533), ("Zhu",  10519), ("Zhua",  10331), ("Zhuai",  10329), ("Zhuan",  10328), ("Zhuang",  10322), ("Zhui",  10315), ("Zhun",  10309), ("Zhuo",  10307), ("Zi",  10296), ("Zong",  10281), ("Zou",  10274), ("Zu",  10270), ("Zuan",  10262), ("Zui",  10260), ("Zun",  10256), ("Zuo",  10254); 

3, create the function:

drop function if exists to_pinyin;delimiter  $CREATE  function to_pinyin (NAME  varchar (255) &NBSP;CHARSET&NBSP;GBK) Returns varchar (255)  CHARSET gbkBEGIN     declare mycode int;    declare tmp_lcode varchar (2)   Charset gbk;    declare lcode int;    declare tmp_ Rcode varchar (2)  CHARSET gbk;    DECLARE rcode INT;     declare mypy varchar (255)  CHARSET gbk DEFAULT  ';     DECLARE lp INT;    SET mycode = 0;     Set lp = 1;    set name = hex (NAME);     While lp < length (NAME)  do        set tmp_ Lcode = suBstring (name, lp, 2);         set lcode = cast (ASCII (Unhex (Tmp_lcode))  as unsigned);          set  tmp_rcode = substring (name, lp + 2, 2);         set rcode = cast (ASCII (Unhex (Tmp_rcode))  as unsigned);          IF lcode > 128 THEN             set mycode =65536 - lcode * 256  - rcode ;            SELECT  CONCAT (Mypy,pin_yin_)  INTO mypy FROM t_base_pinyin WHERE CODE_ >=  ABS (Mycode)  ORDER BY CODE_ ASC LIMIT 1;            &nbsp set lp = lp + 4;        else             set mypy = concat (Mypy,CHAR (CAST ( ASCII (Unhex (SUBSTRING (name, lp, 2)))  as unsigned));             SET lp = lp + 2;         end if;    end while;    return lower (Mypy); END; $DELIMITER  ;


4. Create a view:

CREATE VIEW V_pinyin as Selectu.id,to_pinyin (u.displayname) as Pinyin,u.displaynamefromwsm_userinfo u



MySQL implementation of database using Pinyin to search Chinese

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