用指定分隔符切割輸入的字串，返回一維陣列，每個陣列元素為一個子串。

原始碼：

CREATE OR REPLACE TYPE ty_str_split IS TABLE OF VARCHAR2 (4000);

CREATE OR REPLACE FUNCTION fn_split (p_str IN VARCHAR2, p_delimiter IN VARCHAR2)

RETURN ty_str_split

IS

j INT := 0;

i INT := 1;

len INT := 0;

len1 INT := 0;

str VARCHAR2 (4000);

str_split ty_str_split := ty_str_split ();

BEGIN

len := LENGTH (p_str);

len1 := LENGTH (p_delimiter);

WHILE j = len

THEN

EXIT;

END IF;

ELSE

str := SUBSTR (p_str, i, j - i);

i := j + len1;

str_split。

EXTEND;

str_split (str_split。COUNT) := str;

END IF;

END LOOP;

RETURN str_split;

END fn_split;

/

CREATE OR REPLACE TYPE ty_str_split IS TABLE OF VARCHAR2 (4000);

CREATE OR REPLACE FUNCTION fn_split (p_str IN VARCHAR2, p_delimiter IN VARCHAR2)

RETURN ty_str_split

IS

j INT := 0;

i INT := 1;

len INT := 0;

len1 INT := 0;

str VARCHAR2 (4000);

str_split ty_str_split := ty_str_split ();

BEGIN

len := LENGTH (p_str);

len1 := LENGTH (p_delimiter);

WHILE j = len

THEN

EXIT;

END IF;

ELSE

str := SUBSTR (p_str, i, j - i);

i := j + len1;

str_split。

EXTEND;

str_split (str_split。COUNT) := str;

END IF;

END LOOP;

RETURN str_split;

END fn_split;

/

測試：

DECLARE

CURSOR c

IS

SELECT *

FROM TABLE (CAST (fn_split (’1;;12;;123;;1234;;12345’, ’;;’) AS ty_str_split

)

);

r c%ROWTYPE;

BEGIN

OPEN c;

LOOP

FETCH c INTO r;

EXIT WHEN c%NOTFOUND;

DBMS_OUTPUT。

put_line (r。column_value);

END LOOP;

CLOSE c;

END;

/

結果：

1

12

123

1234

12345。