sql递归函数start with mysql递归查询，不用存储过程？

2021-03-18

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mysql递归查询，不用存储过程？with a as(select * from table1 where parentid=0union allselect b.* from a，table1 b

mysql递归查询，不用存储过程？

with a as(select * from table1 where parentid=0union allselect b.* from a，table1 b where a.id=b.parentid)select * from a用with as 来实现递归