-- 单纯使用SQL递归 查询子节点 含自己
-- organization 需要查询的表 id:主键 parent_id:父ID
SELECT
T3.*
FROM
(
SELECT
@codes AS _ids,
( SELECT @codes := GROUP_CONCAT( id ) FROM organization WHERE FIND_IN_SET( parent_id, @codes ) ) AS T1
FROM
organization,
( SELECT @codes := 1000093 ) T4
WHERE
@codes IS NOT NULL
) T2,
organization T3
WHERE
FIND_IN_SET( T3.id, T2._ids )
ORDER BY
id;
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