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循环查询sql带逗号（，）分隔的数据

2024-07-02 03:59:43   230人阅读

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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 ))

　　


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