如果不考虑排序问题,可以
select * from temptab
connect by prior pid=id
start with id='bsd'
union
select * from temptab
connect by prior id=pid
start with id='bsd';
select * from temptab
connect by prior pid=id
start with id='bsd'
union
select * from temptab
connect by prior id=pid
start with id='bsd';
解决方案 »
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