with RECURSIVE cte as ( select id, name, order_no, popedom_id_parent, 0 as level_ from (select * from popedom sp where is_menu = 1 and sp.popedom_id_parent = '100000')t2 union all select k.id, k.name, k.order_no, k.popedom_id_parent, c.level_+1 as level_ from popedom k inner join cte c on c.id = k.popedom_id_parent where is_menu = 1 ) select id, name, order_no, popedom_id_parent, level_ from cte where level_ < 2 order by level_, order_no;
pgsql树查询加树level 层级
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