求助:关于ORACLE函数问题
TYPE ty_str_split IS TABLE OF VARCHAR2(400);
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 LOOP
j := INSTR(p_str, p_delimiter, i);
IF j = 0 THEN
j := len;
str := SUBSTR(p_str, i);
str_split.EXTEND;
str_split(str_split.COUNT) := str;
1.红色的这种写法,是实例化吗?
2.type这种定义类型,相当于定义一个数组吧?
3.蓝色字体的str_split.COUNT,<==count就相当于数组下标吧?