/**所有子節點列表*/ delimiter // CREATE FUNCTION `getChildList`(rootId varchar(100)) RETURNS varchar(2000) BEGIN DECLARE str varchar(2000); DECLARE cid varchar(100); SET str = '$'; SET cid = rootId; WHILE cid is not null DO SET str = concat(str, ',', cid); SELECT group_concat(id) INTO cid FROM t_base_department where FIND_IN_SET(parent_id, cid) > 0; END WHILE; RETURN str; END ///**所有父節點列表*/ delimiter // CREATE FUNCTION `getParentList`(rootId varchar(100)) RETURNS varchar(1000) BEGIN DECLARE fid varchar(100) default ''; DECLARE str varchar(1000) default rootId; WHILE rootId is not null do SET fid =(SELECT parent_id FROM t_base_department WHERE id = rootId); IF fid is not null THEN SET str = concat(str, ',', fid); SET rootId = fid; ELSE SET rootId = fid; END IF; END WHILE; return str; END //執行：select * from t_base_employee where depart_id in (select id from t_base_department where FIND_IN_SET(id,getChildList('201732014041505768')));結果：select * from t_base_employee where depart_id in (select id from t_base_department where FIND_IN_SET(id,getParentList('201732014041505768'))); 結果：

原文地址:https://blog.csdn.net/u014033756/article/details/70567746

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