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  • oracle得到拼音函数

    CREATE OR REPLACE FUNCTION fgetpy (v_str VARCHAR2)
       RETURN VARCHAR2
    AS
       v_strlen   INT;
       v_return   VARCHAR2 (500);
       v_ii       INT;
       v_n        INT;
       v_c        VARCHAR2 (2);
       v_chn      VARCHAR2 (2);
       v_rc       VARCHAR2 (500);
    /*************************************************************************
    生成汉字拼音码的函数。 wallimn 2009-06-21
    **************************************************************************/
    BEGIN
       --dbms_output.put_line(v_str);
       v_rc := v_str;
       v_strlen := LENGTH (v_rc);
       v_return := '';
       v_ii := 0;

       WHILE v_ii < v_strlen
       LOOP
          v_ii := v_ii + 1;
          v_n := 63;

          SELECT SUBSTR (v_rc, v_ii, 1)
            INTO v_chn
            FROM DUAL;

          SELECT v_n + MAX (rowsf)
            INTO v_n
            FROM (SELECT chn, ROWNUM rowsf
                    FROM (SELECT   chn
                              FROM (SELECT '吖' chn
                                      FROM DUAL
                                    UNION
                                    SELECT '八'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '嚓'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '咑'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '妸'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '发'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '旮'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '铪'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '丌'
                                      FROM DUAL              --because have no 'i'
                                    UNION ALL
                                    SELECT '丌'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '咔'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '垃'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '嘸'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '拏'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '噢'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '妑'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '七'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '呥'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '仨'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '他'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '屲'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '屲'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '屲'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '夕'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '丫'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT '帀'
                                      FROM DUAL
                                    UNION ALL
                                    SELECT v_chn
                                      FROM DUAL) a
                          ORDER BY NLSSORT (chn, 'NLS_SORT=SCHINESE_PINYIN_M')) c) b
           WHERE chn = v_chn;

          v_c := CHR (v_n);

          IF CHR (v_n) = '@'
          THEN                                                      --英文直接返回
             v_c := v_chn;
          END IF;

          v_return := v_return || v_c;
        v_return := lower(v_return);
       END LOOP;

       RETURN v_return;
    END fgetpy;

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  • 原文地址:https://www.cnblogs.com/handsomer/p/4167464.html
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