SQL随笔
1 select substr(field1, 2 instr(field1, ',', 1, rownum) + 1, 3 instr(field1, ',', 1, rownum + 1) - 4 instr(field1, ',', 1, rownum) - 1) as field2 5 from (select ',' || '$lxrid$' || ',' as field1 from dual) 6 connect by instr(field1, ',', 2, rownum) > 0
将一个字段分隔成多条数据,如:("1,2,3,4")-->1,2,3,4
CREATE OR REPLACE FUNCTION strcat(input varchar2 ) RETURN varchar2--字符串 以字符','连接函数 PARALLEL_ENABLE AGGREGATE USING strcat_type;
select strcat(id) from dual
mysql查询树状结构函数,返回数据格式('1','2','3','')
1 DROP FUNCTION IF EXISTS queryChildrenAreaInfo; 2 CREATE FUNCTION queryChildrenAreaInfo (areaId INT) 3 RETURNS VARCHAR(4000) 4 BEGIN 5 DECLARE sTemp VARCHAR(4000); 6 DECLARE sTempChd VARCHAR(4000); 7 8 SET sTemp = ''; 9 SET sTempChd = cast(areaId as char); 10 11 WHILE sTempChd is not NULL DO 12 -- SET sTemp = CONCAT(sTemp,',',sTempChd); 13 SET sTemp = CONCAT(sTemp,sTempChd,','); 14 SELECT group_concat(id) INTO sTempChd FROM sys_office where FIND_IN_SET(parent_id,sTempChd)>0; 15 END WHILE; 16 return replace(concat('''',sTemp,''''),',',''','''); 17 -- return sTemp; 18 END
以","合并多行数据
1 create or replace function f_getFirstOrFullSpell(p_cnStr In varchar2,p_sign In number default null) return varchar2 2 as 3 lv_spell varchar2(200); 4 lv_temp Varchar2(10); 5 lv_char varchar2(10); 6 --lv_bytes varchar2(100); 7 li_bytes Integer; 8 --li_pos Integer; 9 begin 10 if p_cnStr is null then 11 return ''; 12 end if; 13 for i In 1..length(p_cnStr) loop 14 lv_char:=substr(p_cnStr,i,1); 15 if lengthb(lv_char) = 1 then 16 lv_spell:=lv_spell||lv_char; 17 elsif lengthb(lv_char) = 2 then 18 --Select replace(substrb(dump(lv_char,1010),instrb(dump(lv_char,1010),'ZHS16GBK:')),'ZHS16GBK: ','') Into lv_bytes from dual; 19 --li_pos:=instr(lv_bytes,','); 20 --li_bytes:=substr(lv_bytes,1,li_pos-1)*256+substr(lv_bytes,li_pos+1)-256*256; 21 Select ascii(lv_char)-256*256 Into li_bytes From dual; 22 select max(spell) Into lv_temp from table(f_getSpellcode) where code<=li_bytes; 23 if p_sign is null then 24 lv_spell:=lv_spell||substr(lv_temp,1,1); 25 else 26 lv_spell:=lv_spell||lv_temp; 27 end if; 28 elsif lengthb(lv_char) = 3 then 29 --Select replace(substrb(dump(convert(lv_char,'ZHS16GBK','UTF8'),1010),instrb(dump(convert(lv_char,'ZHS16GBK','UTF8'),1010),'UTF8:')),'UTF8: ','') 30 --Into lv_bytes from dual; 31 --li_pos:=instr(lv_bytes,','); 32 --li_bytes:=substr(lv_bytes,1,li_pos-1)*256+substr(lv_bytes,li_pos+1)-256*256; 33 Select ascii(lv_char)-256*256 Into li_bytes From dual; 34 select max(spell) Into lv_temp from table(f_getSpellcode) where code<=li_bytes; 35 if p_sign is null then 36 lv_spell:=lv_spell||substr(lv_char,1,1); 37 else 38 lv_spell:=lv_spell||lv_char; 39 end if; 40 end if; 41 end loop; 42 return lv_spell; 43 end; 44 --hanjs,07-10-24,此函数默认返回汉字拼音的首字母,第二个参数不为空则返回全拼。
摘取汉字首字母
create or replace function f_getSpellcode return t_spellcode Pipelined is Begin PIPE Row(spell_code('a', -20319)); PIPE Row(spell_code('ai', -20317)); PIPE Row(spell_code('an', -20304)); PIPE Row(spell_code('ang', -20295)); PIPE Row(spell_code('ao', -20292)); PIPE Row(spell_code('ba', -20283)); PIPE Row(spell_code('bai', -20265)); PIPE Row(spell_code('ban', -20257)); PIPE Row(spell_code('bang', -20242)); PIPE Row(spell_code('bao', -20230)); PIPE Row(spell_code('bei', -20051)); PIPE Row(spell_code('ben', -20036)); PIPE Row(spell_code('beng', -20032)); PIPE Row(spell_code('bi', -20026)); PIPE Row(spell_code('bian', -20002)); PIPE Row(spell_code('biao', -19990)); PIPE Row(spell_code('bie', -19986)); PIPE Row(spell_code('bin', -19982)); PIPE Row(spell_code('bing', -19976)); PIPE Row(spell_code('bo', -19805)); PIPE Row(spell_code('bu', -19784)); PIPE Row(spell_code('ca', -19775)); PIPE Row(spell_code('cai', -19774)); PIPE Row(spell_code('can', -19763)); PIPE Row(spell_code('cang', -19756)); PIPE Row(spell_code('cao', -19751)); PIPE Row(spell_code('ce', -19746)); PIPE Row(spell_code('ceng', -19741)); PIPE Row(spell_code('cha', -19739)); PIPE Row(spell_code('chai', -19728)); PIPE Row(spell_code('chan', -19725)); PIPE Row(spell_code('chang', -19715)); PIPE Row(spell_code('chao', -19540)); PIPE Row(spell_code('che', -19531)); PIPE Row(spell_code('chen', -19525)); PIPE Row(spell_code('cheng', -19515)); PIPE Row(spell_code('chi', -19500)); PIPE Row(spell_code('chong', -19484)); PIPE Row(spell_code('chou', -19479)); PIPE Row(spell_code('chu', -19467)); PIPE Row(spell_code('chuai', -19289)); PIPE Row(spell_code('chuan', -19288)); PIPE Row(spell_code('chuang', -19281)); PIPE Row(spell_code('chui', -19275)); PIPE Row(spell_code('chun', -19270)); PIPE Row(spell_code('chuo', -19263)); PIPE Row(spell_code('ci', -19261)); PIPE Row(spell_code('cong', -19249)); PIPE Row(spell_code('cou', -19243)); PIPE Row(spell_code('cu', -19242)); PIPE Row(spell_code('cuan', -19238)); PIPE Row(spell_code('cui', -19235)); PIPE Row(spell_code('cun', -19227)); PIPE Row(spell_code('cuo', -19224)); PIPE Row(spell_code('da', -19218)); PIPE Row(spell_code('dai', -19212)); PIPE Row(spell_code('dan', -19038)); PIPE Row(spell_code('dang', -19023)); PIPE Row(spell_code('dao', -19018)); PIPE Row(spell_code('de', -19006)); PIPE Row(spell_code('deng', -19003)); PIPE Row(spell_code('di', -18996)); PIPE Row(spell_code('dian', -18977)); PIPE Row(spell_code('diao', -18961)); PIPE Row(spell_code('die', -18952)); PIPE Row(spell_code('ding', -18783)); PIPE Row(spell_code('diu', -18774)); PIPE Row(spell_code('dong', -18773)); PIPE Row(spell_code('dou', -18763)); PIPE Row(spell_code('du', -18756)); PIPE Row(spell_code('duan', -18741)); PIPE Row(spell_code('dui', -18735)); PIPE Row(spell_code('dun', -18731)); PIPE Row(spell_code('duo', -18722)); PIPE Row(spell_code('e', -18710)); PIPE Row(spell_code('en', -18697)); PIPE Row(spell_code('er', -18696)); PIPE Row(spell_code('fa', -18526)); PIPE Row(spell_code('fan', -18518)); PIPE Row(spell_code('fang', -18501)); PIPE Row(spell_code('fei', -18490)); PIPE Row(spell_code('fen', -18478)); PIPE Row(spell_code('feng', -18463)); PIPE Row(spell_code('fo', -18448)); PIPE Row(spell_code('fou', -18447)); PIPE Row(spell_code('fu', -18446)); PIPE Row(spell_code('ga', -18239)); PIPE Row(spell_code('gai', -18237)); PIPE Row(spell_code('gan', -18231)); PIPE Row(spell_code('gang', -18220)); PIPE Row(spell_code('gao', -18211)); PIPE Row(spell_code('ge', -18201)); PIPE Row(spell_code('gei', -18184)); PIPE Row(spell_code('gen', -18183)); PIPE Row(spell_code('geng', -18181)); PIPE Row(spell_code('gong', -18012)); PIPE Row(spell_code('gou', -17997)); PIPE Row(spell_code('gu', -17988)); PIPE Row(spell_code('gua', -17970)); PIPE Row(spell_code('guai', -17964)); PIPE Row(spell_code('guan', -17961)); PIPE Row(spell_code('guang', -17950)); PIPE Row(spell_code('gui', -17947)); PIPE Row(spell_code('gun', -17931)); PIPE Row(spell_code('guo', -17928)); PIPE Row(spell_code('ha', -17922)); PIPE Row(spell_code('hai', -17759)); PIPE Row(spell_code('han', -17752)); PIPE Row(spell_code('hang', -17733)); PIPE Row(spell_code('hao', -17730)); PIPE Row(spell_code('he', -17721)); PIPE Row(spell_code('hei', -17703)); PIPE Row(spell_code('hen', -17701)); PIPE Row(spell_code('heng', -17697)); PIPE Row(spell_code('hong', -17692)); PIPE Row(spell_code('hou', -17683)); PIPE Row(spell_code('hu', -17676)); PIPE Row(spell_code('hua', -17496)); PIPE Row(spell_code('huai', -17487)); PIPE Row(spell_code('huan', -17482)); PIPE Row(spell_code('huang', -17468)); PIPE Row(spell_code('hui', -17454)); PIPE Row(spell_code('hun', -17433)); PIPE Row(spell_code('huo', -17427)); PIPE Row(spell_code('ji', -17417)); PIPE Row(spell_code('jia', -17202)); PIPE Row(spell_code('jian', -17185)); PIPE Row(spell_code('jiang', -16983)); PIPE Row(spell_code('jiao', -16970)); PIPE Row(spell_code('jie', -16942)); PIPE Row(spell_code('jin', -16915)); PIPE Row(spell_code('jing', -16733)); PIPE Row(spell_code('jiong', -16708)); PIPE Row(spell_code('jiu', -16706)); PIPE Row(spell_code('ju', -16689)); PIPE Row(spell_code('juan', -16664)); PIPE Row(spell_code('jue', -16657)); PIPE Row(spell_code('jun', -16647)); PIPE Row(spell_code('ka', -16474)); PIPE Row(spell_code('kai', -16470)); PIPE Row(spell_code('kan', -16465)); PIPE Row(spell_code('kang', -16459)); PIPE Row(spell_code('kao', -16452)); PIPE Row(spell_code('ke', -16448)); PIPE Row(spell_code('ken', -16433)); PIPE Row(spell_code('keng', -16429)); PIPE Row(spell_code('kong', -16427)); PIPE Row(spell_code('kou', -16423)); PIPE Row(spell_code('ku', -16419)); PIPE Row(spell_code('kua', -16412)); PIPE Row(spell_code('kuai', -16407)); PIPE Row(spell_code('kuan', -16403)); PIPE Row(spell_code('kuang', -16401)); PIPE Row(spell_code('kui', -16393)); PIPE Row(spell_code('kun', -16220)); PIPE Row(spell_code('kuo', -16216)); PIPE Row(spell_code('la', -16212)); PIPE Row(spell_code('lai', -16205)); PIPE Row(spell_code('lan', -16202)); PIPE Row(spell_code('lang', -16187)); PIPE Row(spell_code('lao', -16180)); PIPE Row(spell_code('le', -16171)); PIPE Row(spell_code('lei', -16169)); PIPE Row(spell_code('leng', -16158)); PIPE Row(spell_code('li', -16155)); PIPE Row(spell_code('lia', -15959)); PIPE Row(spell_code('lian', -15958)); PIPE Row(spell_code('liang', -15944)); PIPE Row(spell_code('liao', -15933)); PIPE Row(spell_code('lie', -15920)); PIPE Row(spell_code('lin', -15915)); PIPE Row(spell_code('ling', -15903)); PIPE Row(spell_code('liu', -15889)); PIPE Row(spell_code('long', -15878)); PIPE Row(spell_code('lou', -15707)); PIPE Row(spell_code('lu', -15701)); PIPE Row(spell_code('lv', -15681)); PIPE Row(spell_code('luan', -15667)); PIPE Row(spell_code('lue', -15661)); PIPE Row(spell_code('lun', -15659)); PIPE Row(spell_code('luo', -15652)); PIPE Row(spell_code('ma', -15640)); PIPE Row(spell_code('mai', -15631)); PIPE Row(spell_code('man', -15625)); PIPE Row(spell_code('mang', -15454)); PIPE Row(spell_code('mao', -15448)); PIPE Row(spell_code('me', -15436)); PIPE Row(spell_code('mei', -15435)); PIPE Row(spell_code('men', -15419)); PIPE Row(spell_code('meng', -15416)); PIPE Row(spell_code('mi', -15408)); PIPE Row(spell_code('mian', -15394)); PIPE Row(spell_code('miao', -15385)); PIPE Row(spell_code('mie', -15377)); PIPE Row(spell_code('min', -15375)); PIPE Row(spell_code('ming', -15369)); PIPE Row(spell_code('miu', -15363)); PIPE Row(spell_code('mo', -15362)); PIPE Row(spell_code('mou', -15183)); PIPE Row(spell_code('mu', -15180)); PIPE Row(spell_code('na', -15165)); PIPE Row(spell_code('nai', -15158)); PIPE Row(spell_code('nan', -15153)); PIPE Row(spell_code('nang', -15150)); PIPE Row(spell_code('nao', -15149)); PIPE Row(spell_code('ne', -15144)); PIPE Row(spell_code('nei', -15143)); PIPE Row(spell_code('nen', -15141)); PIPE Row(spell_code('neng', -15140)); PIPE Row(spell_code('ni', -15139)); PIPE Row(spell_code('nian', -15128)); PIPE Row(spell_code('niang', -15121)); PIPE Row(spell_code('niao', -15119)); PIPE Row(spell_code('nie', -15117)); PIPE Row(spell_code('nin', -15110)); PIPE Row(spell_code('ning', -15109)); PIPE Row(spell_code('niu', -14941)); PIPE Row(spell_code('nong', -14937)); PIPE Row(spell_code('nu', -14933)); PIPE Row(spell_code('nv', -14930)); PIPE Row(spell_code('nuan', -14929)); PIPE Row(spell_code('nue', -14928)); PIPE Row(spell_code('nuo', -14926)); PIPE Row(spell_code('o', -14922)); PIPE Row(spell_code('ou', -14921)); PIPE Row(spell_code('pa', -14914)); PIPE Row(spell_code('pai', -14908)); PIPE Row(spell_code('pan', -14902)); PIPE Row(spell_code('pang', -14894)); PIPE Row(spell_code('pao', -14889)); PIPE Row(spell_code('pei', -14882)); PIPE Row(spell_code('pen', -14873)); PIPE Row(spell_code('peng', -14871)); PIPE Row(spell_code('pi', -14857)); PIPE Row(spell_code('pian', -14678)); PIPE Row(spell_code('piao', -14674)); PIPE Row(spell_code('pie', -14670)); PIPE Row(spell_code('pin', -14668)); PIPE Row(spell_code('ping', -14663)); PIPE Row(spell_code('po', -14654)); PIPE Row(spell_code('pu', -14645)); PIPE Row(spell_code('qi', -14630)); PIPE Row(spell_code('qia', -14594)); PIPE Row(spell_code('qian', -14429)); PIPE Row(spell_code('qiang', -14407)); PIPE Row(spell_code('qiao', -14399)); PIPE Row(spell_code('qie', -14384)); PIPE Row(spell_code('qin', -14379)); PIPE Row(spell_code('qing', -14368)); PIPE Row(spell_code('qiong', -14355)); PIPE Row(spell_code('qiu', -14353)); PIPE Row(spell_code('qu', -14345)); PIPE Row(spell_code('quan', -14170)); PIPE Row(spell_code('que', -14159)); PIPE Row(spell_code('qun', -14151)); PIPE Row(spell_code('ran', -14149)); PIPE Row(spell_code('rang', -14145)); PIPE Row(spell_code('rao', -14140)); PIPE Row(spell_code('re', -14137)); PIPE Row(spell_code('ren', -14135)); PIPE Row(spell_code('reng', -14125)); PIPE Row(spell_code('ri', -14123)); PIPE Row(spell_code('rong', -14122)); PIPE Row(spell_code('rou', -14112)); PIPE Row(spell_code('ru', -14109)); PIPE Row(spell_code('ruan', -14099)); PIPE Row(spell_code('rui', -14097)); PIPE Row(spell_code('run', -14094)); PIPE Row(spell_code('ruo', -14092)); PIPE Row(spell_code('sa', -14090)); PIPE Row(spell_code('sai', -14087)); PIPE Row(spell_code('san', -14083)); PIPE Row(spell_code('sang', -13917)); PIPE Row(spell_code('sao', -13914)); PIPE Row(spell_code('se', -13910)); PIPE Row(spell_code('sen', -13907)); PIPE Row(spell_code('seng', -13906)); PIPE Row(spell_code('sha', -13905)); PIPE Row(spell_code('shai', -13896)); PIPE Row(spell_code('shan', -13894)); PIPE Row(spell_code('shang', -13878)); PIPE Row(spell_code('shao', -13870)); PIPE Row(spell_code('she', -13859)); PIPE Row(spell_code('shen', -13847)); PIPE Row(spell_code('sheng', -13831)); PIPE Row(spell_code('shi', -13658)); PIPE Row(spell_code('shou', -13611)); PIPE Row(spell_code('shu', -13601)); PIPE Row(spell_code('shua', -13406)); PIPE Row(spell_code('shuai', -13404)); PIPE Row(spell_code('shuan', -13400)); PIPE Row(spell_code('shuang', -13398)); PIPE Row(spell_code('shui', -13395)); PIPE Row(spell_code('shun', -13391)); PIPE Row(spell_code('shuo', -13387)); PIPE Row(spell_code('si', -13383)); PIPE Row(spell_code('song', -13367)); PIPE Row(spell_code('sou', -13359)); PIPE Row(spell_code('su', -13356)); PIPE Row(spell_code('suan', -13343)); PIPE Row(spell_code('sui', -13340)); PIPE Row(spell_code('sun', -13329)); PIPE Row(spell_code('suo', -13326)); PIPE Row(spell_code('ta', -13318)); PIPE Row(spell_code('tai', -13147)); PIPE Row(spell_code('tan', -13138)); PIPE Row(spell_code('tang', -13120)); PIPE Row(spell_code('tao', -13107)); PIPE Row(spell_code('te', -13096)); PIPE Row(spell_code('teng', -13095)); PIPE Row(spell_code('ti', -13091)); PIPE Row(spell_code('tian', -13076)); PIPE Row(spell_code('tiao', -13068)); PIPE Row(spell_code('tie', -13063)); PIPE Row(spell_code('ting', -13060)); PIPE Row(spell_code('tong', -12888)); PIPE Row(spell_code('tou', -12875)); PIPE Row(spell_code('tu', -12871)); PIPE Row(spell_code('tuan', -12860)); PIPE Row(spell_code('tui', -12858)); PIPE Row(spell_code('tun', -12852)); PIPE Row(spell_code('tuo', -12849)); PIPE Row(spell_code('wa', -12838)); PIPE Row(spell_code('wai', -12831)); PIPE Row(spell_code('wan', -12829)); PIPE Row(spell_code('wang', -12812)); PIPE Row(spell_code('wei', -12802)); PIPE Row(spell_code('wen', -12607)); PIPE Row(spell_code('weng', -12597)); PIPE Row(spell_code('wo', -12594)); PIPE Row(spell_code('wu', -12585)); PIPE Row(spell_code('xi', -12556)); PIPE Row(spell_code('xia', -12359)); PIPE Row(spell_code('xian', -12346)); PIPE Row(spell_code('xiang', -12320)); PIPE Row(spell_code('xiao', -12300)); PIPE Row(spell_code('xie', -12120)); PIPE Row(spell_code('xin', -12099)); PIPE Row(spell_code('xing', -12089)); PIPE Row(spell_code('xiong', -12074)); PIPE Row(spell_code('xiu', -12067)); PIPE Row(spell_code('xu', -12058)); PIPE Row(spell_code('xuan', -12039)); PIPE Row(spell_code('xue', -11867)); PIPE Row(spell_code('xun', -11861)); PIPE Row(spell_code('ya', -11847)); PIPE Row(spell_code('yan', -11831)); PIPE Row(spell_code('yang', -11798)); PIPE Row(spell_code('yao', -11781)); PIPE Row(spell_code('ye', -11604)); PIPE Row(spell_code('yi', -11589)); PIPE Row(spell_code('yin', -11536)); PIPE Row(spell_code('ying', -11358)); PIPE Row(spell_code('yo', -11340)); PIPE Row(spell_code('yong', -11339)); PIPE Row(spell_code('you', -11324)); PIPE Row(spell_code('yu', -11303)); PIPE Row(spell_code('yuan', -11097)); PIPE Row(spell_code('yue', -11077)); PIPE Row(spell_code('yun', -11067)); PIPE Row(spell_code('za', -11055)); PIPE Row(spell_code('zai', -11052)); PIPE Row(spell_code('zan', -11045)); PIPE Row(spell_code('zang', -11041)); PIPE Row(spell_code('zao', -11038)); PIPE Row(spell_code('ze', -11024)); PIPE Row(spell_code('zei', -11020)); PIPE Row(spell_code('zen', -11019)); PIPE Row(spell_code('zeng', -11018)); PIPE Row(spell_code('zha', -11014)); PIPE Row(spell_code('zhai', -10838)); PIPE Row(spell_code('zhan', -10832)); PIPE Row(spell_code('zhang', -10815)); PIPE Row(spell_code('zhao', -10800)); PIPE Row(spell_code('zhe', -10790)); PIPE Row(spell_code('zhen', -10780)); PIPE Row(spell_code('zheng', -10764)); PIPE Row(spell_code('zhi', -10587)); PIPE Row(spell_code('zhong', -10544)); PIPE Row(spell_code('zhou', -10533)); PIPE Row(spell_code('zhu', -10519)); PIPE Row(spell_code('zhua', -10331)); PIPE Row(spell_code('zhuai', -10329)); PIPE Row(spell_code('zhuan', -10328)); PIPE Row(spell_code('zhuang', -10322)); PIPE Row(spell_code('zhui', -10315)); PIPE Row(spell_code('zhun', -10309)); PIPE Row(spell_code('zhuo', -10307)); PIPE Row(spell_code('zi', -10296)); PIPE Row(spell_code('zong', -10281)); PIPE Row(spell_code('zou', -10274)); PIPE Row(spell_code('zu', -10270)); PIPE Row(spell_code('zuan', -10262)); PIPE Row(spell_code('zui', -10260)); PIPE Row(spell_code('zun', -10256)); PIPE Row(spell_code('zuo', -10254)); Return; end; --hanjs,07-10-24,返回拼音与代码的对应关系