oracle汉字排序
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程序开发 2009-11-19 14:08:12 阅读241 评论1 字号:大中小
Connected to Oracle Database 10g Enterprise Edition Release 10.2.0.1.0
Connected as system
SQL>
SQL> select * from nls_database_parameters;
PARAMETER
------------------------------ --------------------------------------------------------------------------------
NLS_LANGUAGE
NLS_NCHAR_CHARACTERSET
NLS_TERRITORY
NLS_CURRENCY
NLS_ISO_CURRENCY
NLS_SORT
NLS_NUMERIC_CHARACTERS
NLS_CHARACTERSET
NLS_CALENDAR
NLS_DATE_FORMAT
NLS_DATE_LANGUAGE
NLS_TIME_FORMAT
NLS_TIMESTAMP_FORMAT
NLS_TIME_TZ_FORMAT
NLS_TIMESTAMP_TZ_FORMAT
NLS_DUAL_CURRENCY
NLS_COMP
NLS_LENGTH_SEMANTICS
NLS_NCHAR_CONV_EXCP
NLS_RDBMS_VERSION
CREATE OR REPLACE FUNCTION F_TRANS_PINYIN_CAPITAL(P_NAME IN VARCHAR2) RETURN VARCHAR2 AS
V_COMPARE VARCHAR2(100);
V_RETURN VARCHAR2(4000);
FUNCTION F_NLSSORT(P_WORD IN VARCHAR2) RETURN VARCHAR2 AS
BEGIN
RETURN NLSSORT(P_WORD,'NLS_SORT=SCHINESE_PINYIN_M');
END;
BEGIN
FOR I IN 1..LENGTH(P_NAME) LOOP
V_COMPARE := F_NLSSORT(SUBSTR(P_NAME, I, 1));
IF V_COMPARE >= F_NLSSORT('吖') AND V_COMPARE <= F_NLSSORT('驁') THEN
V_RETURN := V_RETURN ||'a';
ELSIF V_COMPARE >= F_NLSSORT('八') AND V_COMPARE <= F_NLSSORT('簿') THEN
V_RETURN := V_RETURN ||'b';
ELSIF V_COMPARE >= F_NLSSORT('嚓') AND V_COMPARE <= F_NLSSORT('錯') THEN
V_RETURN := V_RETURN ||'c';
ELSIF V_COMPARE >= F_NLSSORT('咑') AND V_COMPARE <= F_NLSSORT('鵽') THEN
V_RETURN := V_RETURN ||'d';
ELSIF V_COMPARE >= F_NLSSORT('妸') AND V_COMPARE <= F_NLSSORT('樲') THEN
V_RETURN := V_RETURN ||'e';
ELSIF V_COMPARE >= F_NLSSORT('发') AND V_COMPARE <= F_NLSSORT('猤') THEN
V_RETURN := V_RETURN ||'f';
ELSIF V_COMPARE >= F_NLSSORT('旮') AND V_COMPARE <= F_NLSSORT('腂') THEN
V_RETURN := V_RETURN ||'g';
ELSIF V_COMPARE >= F_NLSSORT('妎') AND V_COMPARE <= F_NLSSORT('夻') THEN
V_RETURN := V_RETURN ||'h';
ELSIF V_COMPARE >= F_NLSSORT('丌') AND V_COMPARE <= F_NLSSORT('攈') THEN
V_RETURN := V_RETURN ||'j';
ELSIF V_COMPARE >= F_NLSSORT('咔') AND V_COMPARE <= F_NLSSORT('穒') THEN
V_RETURN := V_RETURN ||'k';
ELSIF V_COMPARE >= F_NLSSORT('垃') AND V_COMPARE <= F_NLSSORT('擽') THEN
V_RETURN := V_RETURN ||'l';
ELSIF V_COMPARE >= F_NLSSORT('嘸') AND V_COMPARE <= F_NLSSORT('椧') THEN
V_RETURN := V_RETURN ||'m';
ELSIF V_COMPARE >= F_NLSSORT('拏') AND V_COMPARE <= F_NLSSORT('瘧') THEN
V_RETURN := V_RETURN ||'n';
ELSIF V_COMPARE >= F_NLSSORT('筽') AND V_COMPARE <= F_NLSSORT('漚') THEN
V_RETURN := V_RETURN ||'o';
ELSIF V_COMPARE >= F_NLSSORT('妑') AND V_COMPARE <= F_NLSSORT('曝') THEN
V_RETURN := V_RETURN ||'p';
ELSIF V_COMPARE >= F_NLSSORT('七') AND V_COMPARE <= F_NLSSORT('裠') THEN
V_RETURN := V_RETURN ||'q';
ELSIF V_COMPARE >= F_NLSSORT('亽') AND V_COMPARE <= F_NLSSORT('鶸') THEN
V_RETURN := V_RETURN ||'r';
ELSIF V_COMPARE >= F_NLSSORT('仨') AND V_COMPARE <= F_NLSSORT('蜶') THEN
V_RETURN := V_RETURN ||'s';
ELSIF V_COMPARE >= F_NLSSORT('侤') AND V_COMPARE <= F_NLSSORT('籜') THEN
V_RETURN := V_RETURN ||'t';
ELSIF V_COMPARE >= F_NLSSORT('屲') AND V_COMPARE <= F_NLSSORT('鶩') THEN
V_RETURN := V_RETURN ||'w';
ELSIF V_COMPARE >= F_NLSSORT('夕') AND V_COMPARE <= F_NLSSORT('鑂') THEN
V_RETURN := V_RETURN ||'x';
ELSIF V_COMPARE >= F_NLSSORT('丫') AND V_COMPARE <= F_NLSSORT('韻') THEN
V_RETURN := V_RETURN ||'y';
ELSIF V_COMPARE >= F_NLSSORT('帀') AND V_COMPARE <= F_NLSSORT('咗') THEN
V_RETURN := V_RETURN ||'z';
END IF;
END LOOP;
RETURN V_RETURN;
END;
测试一下:
SELECT F_TRANS_PINYIN_CAPITAL('侯韶君') FROM DUAL
返回 hsj
select name from users t1 where (t1.name = ? or F_TRANS_PINYIN_CAPITAL(t1.name) = ?)
如果里面的?参数传递的是“侯韶君”,就是查询用户名首字母是hsj的人,
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