CREATE OR REPLACE TYPE TY_OBJECT AS OBJECT(COL_NAME VARCHAR2(200));
/
CREATE OR REPLACE TYPE TY_TABLE AS TABLE OF TY_OBJECT;
/
CREATE OR REPLACE FUNCTION STR2TABLE(V_STR IN VARCHAR2,
V_DELIMITER IN VARCHAR2)
--此函数的目的是将以特定字符分隔的字符串转换为游标形式,以例遍历此游标
RETURN TY_TABLE AS
V_TY_TABLE TY_TABLE;
BEGIN
SELECT TY_OBJECT(REGEXP_SUBSTR(V_STR,
'[^' || V_DELIMITER || ']+',
1,
LEVEL,
'i'))
BULK COLLECT
INTO V_TY_TABLE
FROM DUAL
CONNECT BY LEVEL <=
LENGTH(V_STR) -
LENGTH(REGEXP_REPLACE(V_STR, '' || V_DELIMITER || '', '')) + 1;
RETURN V_TY_TABLE;
END;
/
--应用示例
SELECT * FROM TABLE(STR2TABLE('1,2,3',','));
/
Oracle将以特定分隔的字符串转成表格的方法(用于类似游标的遍历)
最新推荐文章于 2023-02-07 10:25:14 发布