mysql 如何用 sql 遍历树形结构 - V2EX

mysql 如何用 sql 遍历树形结构 - V2EX

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这是一个创建于 1808 天前的主题，其中的信息可能已经有所发展或是发生改变。

类似部门树层级机构，如何在 mysql 直接遍历树结构
查了下好像 mysql 只有函数这个写法，有没有别的更好的写法

4 条回复 2020-11-21 16:19:27 +08:00

1

justRua

2020-10-28 17:48:15 +08:00

加个路径列，如 path:ABC ABCD ABE，获取 B 所有的子节点 like AB%

2

tysx

2020-10-28 17:54:54 +08:00

nested set

3

zhangysh1995

2020-11-17 20:17:03 +08:00

按照 key 做 join

4

jerryli

2020-11-21 16:19:27 +08:00

1

CTE

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