prior一侧是父节点 另一侧是子节点
--查询region_id等于4519的节点下面的所有子节点 查找出给定节点的所有子节点
SELECT sr.* FROM spc_region sr
where sr.delete_state = 0
start with sr.region_id = '4519'
connect by prior sr.region_id = sr.super_region_id
--查询region_id等于4519的节点上面的所有父节点 查找出给定节点的所有父节点
SELECT sr.* FROM spc_region sr
where sr.delete_state = 0
start with sr.region_id = '4519'
connect by sr.region_id = prior sr.super_region_id