-- 查找树的所有子节点
with cte as
(select Id,Pid,Name from dc_trees where pid=2
union all
select t.id,t.pid,t.Name from cte a,dc_trees t where t.pid=a.id)
select * from cte
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-- 查找树的所有子节点
with cte as
(select Id,Pid,Name from dc_trees where pid=2
union all
select t.id,t.pid,t.Name from cte a,dc_trees t where t.pid=a.id)
select * from cte
相关文章：