Oracle 함수 중국어 병음 바꾸기(이니셜)

61087 단어 Oracle 함수
CREATE OR REPLACE FUNCTION FUN_GET_PYCODE(p_str  IN VARCHAR2,
                                          p_flag NUMBER DEFAULT NULL)
  RETURN VARCHAR2 AS
  v_compare VARCHAR2(4);
  v_return  VARCHAR2(4000);
  v_length  INT := 0;
  v_substr  VARCHAR2(4);

  FUNCTION fn_nlssort(p_word IN VARCHAR2) RETURN VARCHAR2 AS
  BEGIN
    RETURN SUBSTR(NLSSORT(p_word, 'nls_sort=schinese_pinyin_m'), 1, 4);
  END fn_nlssort;
BEGIN
  IF p_str IS NULL THEN
    RETURN '';
  END IF;

  v_length := LENGTH(p_str);

  CASE p_flag
    WHEN 1 THEN
      -- 
      FOR i IN 1 .. v_length LOOP
        v_substr  := SUBSTR(p_str, i, 1);
        v_compare := fn_nlssort(v_substr);
      
        CASE
          WHEN v_compare BETWEEN '3B29' AND '3C82' THEN
            v_return := v_return || 'a';
          WHEN v_compare BETWEEN '3C84' AND '427C' THEN
            v_return := v_return || 'b';
          WHEN v_compare BETWEEN '427D' AND '4BA9' THEN
            v_return := v_return || 'c';
          WHEN v_compare BETWEEN '4BAD' AND '5200' THEN
            v_return := v_return || 'd';
          WHEN v_compare BETWEEN '5205' AND '5332' THEN
            v_return := v_return || 'e';
          WHEN v_compare BETWEEN '5334' AND '5739' THEN
            v_return := v_return || 'f';
          WHEN v_compare BETWEEN '573C' AND '5CB6' THEN
            v_return := v_return || 'g';
          WHEN v_compare BETWEEN '5CB8' AND '63FA' THEN
            v_return := v_return || 'h';
          WHEN v_compare = 'B359' THEN
            v_return := v_return || 'i';
          WHEN v_compare BETWEEN '63FE' AND '6E85' THEN
            v_return := v_return || 'j';
          WHEN v_compare BETWEEN '5BC8' AND '7226' THEN
            v_return := v_return || 'k';
          WHEN v_compare BETWEEN '722C' AND '7C98' THEN
            v_return := v_return || 'l';
          WHEN v_compare BETWEEN '569D' AND '821E' THEN
            v_return := v_return || 'm';
          WHEN v_compare BETWEEN '8224' AND '8574' THEN
            v_return := v_return || 'n';
          WHEN v_compare BETWEEN '8575' AND '85AE' THEN
            v_return := v_return || 'o';
          WHEN v_compare BETWEEN '85B1' AND '89C4' THEN
            v_return := v_return || 'p';
          WHEN v_compare BETWEEN '7E0C' AND '90AA' THEN
            v_return := v_return || 'q';
          WHEN v_compare BETWEEN '90B0' AND '92E4' THEN
            v_return := v_return || 'r';
          WHEN v_compare BETWEEN '92E5' AND '9BA9' THEN
            v_return := v_return || 's';
          WHEN v_compare BETWEEN '5160' AND 'A1AE' THEN
            v_return := v_return || 't';
          WHEN v_compare BETWEEN '9AF0' AND 'A5D4' THEN
            v_return := v_return || 'w';
          WHEN v_compare BETWEEN 'A5D6' AND 'AF1E' THEN
            v_return := v_return || 'x';
          WHEN v_compare BETWEEN 'AF20' AND 'BC58' THEN
            v_return := v_return || 'y';
          WHEN v_compare BETWEEN 'BC59' AND 'C7B4' THEN
            v_return := v_return || 'z';
          ELSE
            v_return := v_return || v_substr;
        END CASE; END LOOP;
    WHEN 2 THEN
      -- 
      FOR i IN 1 .. v_length LOOP
        v_substr  := SUBSTR(p_str, i, 1);
        v_compare := fn_nlssort(v_substr);
      
        CASE
          WHEN v_compare BETWEEN '3B29' AND '3C82' THEN
            v_return := v_return || 'A';
          WHEN v_compare BETWEEN '3C84' AND '427C' THEN
            v_return := v_return || 'B';
          WHEN v_compare BETWEEN '427D' AND '4BA9' THEN
            v_return := v_return || 'C';
          WHEN v_compare BETWEEN '4BAD' AND '5200' THEN
            v_return := v_return || 'D';
          WHEN v_compare BETWEEN '5205' AND '5332' THEN
            v_return := v_return || 'E';
          WHEN v_compare BETWEEN '5334' AND '5739' THEN
            v_return := v_return || 'F';
          WHEN v_compare BETWEEN '573C' AND '5CB6' THEN
            v_return := v_return || 'G';
          WHEN v_compare BETWEEN '5CB8' AND '63FA' THEN
            v_return := v_return || 'H';
          WHEN v_compare = 'B359' THEN
            v_return := v_return || 'I';
          WHEN v_compare BETWEEN '63FE' AND '6E85' THEN
            v_return := v_return || 'J';
          WHEN v_compare BETWEEN '5BC8' AND '7226' THEN
            v_return := v_return || 'K';
          WHEN v_compare BETWEEN '722C' AND '7C98' THEN
            v_return := v_return || 'L';
          WHEN v_compare BETWEEN '569D' AND '821E' THEN
            v_return := v_return || 'M';
          WHEN v_compare BETWEEN '8224' AND '8574' THEN
            v_return := v_return || 'N';
          WHEN v_compare BETWEEN '8575' AND '85AE' THEN
            v_return := v_return || 'O';
          WHEN v_compare BETWEEN '85B1' AND '89C4' THEN
            v_return := v_return || 'P';
          WHEN v_compare BETWEEN '7E0C' AND '90AA' THEN
            v_return := v_return || 'Q';
          WHEN v_compare BETWEEN '90B0' AND '92E4' THEN
            v_return := v_return || 'R';
          WHEN v_compare BETWEEN '92E5' AND '9BA9' THEN
            v_return := v_return || 'S';
          WHEN v_compare BETWEEN '5160' AND 'A1AE' THEN
            v_return := v_return || 'T';
          WHEN v_compare BETWEEN '9AF0' AND 'A5D4' THEN
            v_return := v_return || 'W';
          WHEN v_compare BETWEEN 'A5D6' AND 'AF1E' THEN
            v_return := v_return || 'X';
          WHEN v_compare BETWEEN 'AF20' AND 'BC58' THEN
            v_return := v_return || 'Y';
          WHEN v_compare BETWEEN 'BC59' AND 'C7B4' THEN
            v_return := v_return || 'Z';
          ELSE
            v_return := v_return || v_substr;
        END CASE; END LOOP;
    ELSE
      -- 
      FOR i IN 1 .. v_length LOOP
        v_substr  := SUBSTR(p_str, i, 1);
        v_compare := fn_nlssort(v_substr);
      
        CASE
          WHEN v_compare BETWEEN '3B29' AND '3C82' THEN
            v_return := v_return || 'a';
          WHEN v_compare BETWEEN '3C84' AND '427C' THEN
            v_return := v_return || 'b';
          WHEN v_compare BETWEEN '427D' AND '4BA9' THEN
            v_return := v_return || 'c';
          WHEN v_compare BETWEEN '4BAD' AND '5200' THEN
            v_return := v_return || 'd';
          WHEN v_compare BETWEEN '5205' AND '5332' THEN
            v_return := v_return || 'e';
          WHEN v_compare BETWEEN '5334' AND '5739' THEN
            v_return := v_return || 'f';
          WHEN v_compare BETWEEN '573C' AND '5CB6' THEN
            v_return := v_return || 'g';
          WHEN v_compare BETWEEN '5CB8' AND '63FA' THEN
            v_return := v_return || 'h';
          WHEN v_compare = 'B359' THEN
            v_return := v_return || 'i';
          WHEN v_compare BETWEEN '63FE' AND '6E85' THEN
            v_return := v_return || 'j';
          WHEN v_compare BETWEEN '5BC8' AND '7226' THEN
            v_return := v_return || 'k';
          WHEN v_compare BETWEEN '722C' AND '7C98' THEN
            v_return := v_return || 'l';
          WHEN v_compare BETWEEN '569D' AND '821E' THEN
            v_return := v_return || 'm';
          WHEN v_compare BETWEEN '8224' AND '8574' THEN
            v_return := v_return || 'n';
          WHEN v_compare BETWEEN '8575' AND '85AE' THEN
            v_return := v_return || 'o';
          WHEN v_compare BETWEEN '85B1' AND '89C4' THEN
            v_return := v_return || 'p';
          WHEN v_compare BETWEEN '7E0C' AND '90AA' THEN
            v_return := v_return || 'q';
          WHEN v_compare BETWEEN '90B0' AND '92E4' THEN
            v_return := v_return || 'r';
          WHEN v_compare BETWEEN '92E5' AND '9BA9' THEN
            v_return := v_return || 's';
          WHEN v_compare BETWEEN '5160' AND 'A1AE' THEN
            v_return := v_return || 't';
          WHEN v_compare BETWEEN '9AF0' AND 'A5D4' THEN
            v_return := v_return || 'w';
          WHEN v_compare BETWEEN 'A5D6' AND 'AF1E' THEN
            v_return := v_return || 'x';
          WHEN v_compare BETWEEN 'AF20' AND 'BC58' THEN
            v_return := v_return || 'y';
          WHEN v_compare BETWEEN 'BC59' AND 'C7B4' THEN
            v_return := v_return || 'z';
          ELSE
            v_return := v_return || v_substr;
        END CASE; END LOOP;
  END CASE;
  RETURN v_return;
END FUN_GET_PYCODE;

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