查找当前用户所在部门的所有下级包括当前部门
with cte as ( select id,pid,deptname, 0 as lvl from department where id = 2 union all select d.id,d.pid,d.deptname,lvl + 1 from cte c inner join department d on c.id = d.pid ) select * from cte
查找当前用户所在部门的所有上级包括当前部门
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with cte as ( select id,pid,deptname, 0 as lvl from department where id = 2 union all select d.id,d.pid,d.deptname,lvl + 1 from cte c inner join department d on c.pid= d.id ) select * from cte
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