sql server 2005中使用with实现递归

2014-11-24 14:45:45 · 作者: · 浏览: 0
sql server 2005中使用with实现递归
[sql] 
WITH fw_requestion_note_temp(old_apply_id)  
AS  
(  
    --取根节点放入临时表  
    SELECT old_apply_id FROM fw_requestion_note --WHERE old_apply_id = 'e741470e-8b5c-4f91-9b03-c7474d103aef'   
    --根据已取到的数据递归取其字节点的数据  

[sql] 
    UNION ALL  
    SELECT fw.old_apply_id FROM fw_requestion_note fw INNER JOIN fw_requestion_note_temp temp ON fw.apply_id = temp.old_apply_id  
)  
SELECT old_apply_id FROM fw_requestion_note_temp