CREATE OR REPLACE FUNCTION F_PINYIN(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..NVL(LENGTH(P_NAME), 0) 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';

ELSE

V_RETURN :=V_RETURN || SUBSTR(P_NAME, I, 1);

END IF;

END LOOP;

RETURN V_RETURN;

END;