循环查询sql带逗号（，）分隔的数据

时间：2014-05-01 02:34:49 收藏：0 阅读：670

select 
* from 
sys_role_list where 
id in
　　(select 
c from
　　(with test as 
(select 
roleid c from 
sys_role_info where 
id=1)
　　select 
substr(t.ca,instr(t.ca, ‘,‘, 1, c.lv) + 1,instr(t.ca, ‘,‘, 1, c.lv + 1) - (instr(t.ca, ‘,‘, 1, c.lv) + 1)) AS c
　　from 
(select 
‘,‘ || c || ‘,‘ 
AS ca,length(c || ‘,‘) - nvl(length(REPLACE(c, ‘,‘)), 0) AS cnt FROM test) t,
    (select 
LEVEL lv from 
dual CONNECT BY LEVEL <= 100) c where 
c.lv <= t.cnt ))

循环查询sql带逗号（，）分隔的数据,码迷,mamicode.com