INSERT INTO distri_share_path (ancestor, anc_name, anc_nick_name, anc_phone, descendant, desc_name, desc_nick_name, desc_phone, depth, sort) SELECT ancestor, anc_name, anc_nick_name, anc_phone, #{newDescendantId}, #{newDescendantName}, #{newDescendantNickName}, #{newDescendantMobile}, depth + 1, (SELECT IFNULL(MAX(sort), 0) + 1 FROM distri_share_path WHERE ancestor = #{parentId} AND depth = 1) FROM distri_share_path WHERE descendant = #{parentId} UNION ALL SELECT #{parentId}, #{parentName}, #{parentNickName}, #{parentMobile}, #{newDescendantId}, #{newDescendantName}, #{newDescendantNickName}, #{newDescendantMobile}, 1, (SELECT IFNULL(MAX(sort), 0) + 1 FROM distri_share_path WHERE ancestor = #{parentId} AND depth = 1); SELECT IFNULL(MAX(sort), 0) + 1 FROM distri_share_path WHERE ancestor = #{parentId} AND depth = 1 DELETE FROM distri_share_path WHERE descendant IN (SELECT descendant FROM distri_share_path WHERE ancestor = #{nodeId}) AND ancestor NOT IN (SELECT descendant FROM distri_share_path WHERE ancestor = #{nodeId}); INSERT INTO distri_share_path (ancestor, descendant, depth, sort) SELECT np.ancestor, c.descendant, np.depth + c.depth + 1, 0 FROM distri_share_path AS np CROSS JOIN (SELECT descendant, depth FROM distri_share_path WHERE ancestor = #{nodeId}) AS c WHERE np.descendant = #{newParentId} UNION ALL SELECT #{nodeId} as ancestor, descendant, depth + 1, 0 FROM distri_share_path WHERE ancestor = #{nodeId}; SELECT descendant FROM distri_share_path WHERE ancestor = #{ancestorId} SELECT a.descendant FROM distri_share_path a JOIN distri_share_path b ON a.ancestor = b.ancestor WHERE b.descendant = #{descendantId} AND a.sort < b.sort WITH RECURSIVE SubPath AS ( SELECT descendant, desc_name, depth FROM distri_share_path WHERE ancestor = #{ancestor} AND depth =]]> #{minDepth} UNION ALL SELECT d.descendant, d.desc_name, d.depth FROM distri_share_path d INNER JOIN SubPath sp ON sp.descendant = d.ancestor WHERE d.depth #{maxDepth} ) SELECT * FROM SubPath WHERE depth #{maxDepth};