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SELECT SUBSTR (T.RPT_ID,INSTR (T.RPT_ID,',',1,C.LV)+ 1,
INSTR (T.RPT_ID,',',1,C.LV + 1)- (INSTR (T.RPT_ID,',',1,C.LV)+ 1))
AS RPT_ID
FROM (SELECT ',' || '85,86,87' || ',' RPT_ID,
LENGTH ('85,86,87' || ',') - NVL (LENGTH (REPLACE ('85,86', ',')), 0) CNT
FROM DUAL) t,
(SELECT LEVEL lv
FROM DUAL
CONNECT BY LEVEL <= LENGTH('85,86,87' || ',') - NVL(LENGTH(REPLACE('85,86,87', ',')), 0)) c
WHERE T.cnt >= c.lv
说明:CNT表示串里面有多少字符。
当是字符串是表中的字段时,取level<=最大个数
如:
1).取最大个数
SELECT MAX(LENGTH(RPT_ID || ',') -
NVL(LENGTH(REPLACE(RPT_ID, ',')), 0)) INTO v_c
FROM DIM_AUDIT_TABLE@sjmh_inter;
2).l转成行
SELECT T.T_NAME,
T.T_NAME_COMM,
T.T_COLUMN,
T.T_COLUMN_COMM,
t.COMMENT_NL,
t.COMMENT_NL_TIME,
t.SEQ_USER_ID,
SUBSTR(T.RPT_ID,
INSTR(T.RPT_ID, '','', 1, C.LV) + 1,
INSTR(T.RPT_ID, '','', 1, C.LV + 1) -
(INSTR(T.RPT_ID, '','', 1, C.LV) + 1)) AS RPT_ID
FROM (SELECT A.T_NAME,
A.T_NAME_COMM,
A.T_COLUMN,
A.T_COLUMN_COMM,
a.COMMENT_NL,
a.COMMENT_NL_TIME,
a.SEQ_USER_ID,
'','' || A.RPT_ID || '','' RPT_ID,
LENGTH(A.RPT_ID || '','') -
NVL(LENGTH(REPLACE(A.RPT_ID, '','')), 0) CNT
FROM DIM_AUDIT_TABLE@sjmh_inter A
WHERE a.COMMENT_NL is not null) T,
(SELECT LEVEL LV FROM DUAL CONNECT BY LEVEL <= '||v_c||') C
WHERE C.LV <= T.CNT;
注:如果是上面代码是远程的代码,(SELECT LEVEL LV FROM DUAL CONNECT BY LEVEL <= '||v_c||') C,不要用dual表,可以改用all_objects或user_objects, 要不然能查询,但是把查询出来的SQL插入到某个表时,只能插入一行
本文oracle字符串转成行到此结束。做一名自信者,牢牢把住自我生命的罗盘,让生命充畅。做一名自谦者,慢慢拓展自我生命的容量,让生命充实。做一名自爱者,深深领会自我生命的价值,让生命充美。做一名自安者,悄悄抚平自我生命的伤痕,让生命充悦。做一名自洁者,时时清除自我生命的淤积,让生命充盈。小编再次感谢大家对我们的支持!