delete from nc_doc_relative where doc_id = #{docId} select d.device_id , d.group_id , d.device_no , d.device_name , d.control_system , d.device_model , d.link_ip , d.link_port , d.depart_id , g.group_name , s.depart_name from nc_device_info d inner join (select distinct attribution_id from nc_doc_relative where doc_id=#{docId} and delete_flag=0 and attribution_type=4) dp on d.device_id=dp.attribution_id inner join nc_device_group g on d.group_id=g.group_id inner join sys_department s on d.depart_id=s.depart_id