insert into plot values (0, #{name}, #{parentId}, #{address}, #{img}, null, null,#{num}) delete from plot where id in #{plotId} delete from plot where id = #{id} select * from tree where parent_id = #{id} select * from tree where id in #{treeId} select * from tree where parent_id=0 select * from tree where id = #{parentId} select * from plot where parent_id=#{id}