1.create table temp_tab as
select * from A where nid=123
2.delete from A where nid=123
3.insert into A
select * from temp_tab
select * from A where nid=123
2.delete from A where nid=123
3.insert into A
select * from temp_tab
select * from A where nid=123
2.delete from A where nid=123
3.insert into A
select * from temp_tab高手 挖哈哈
select * from A where nid=123
2.delete from A where nid=123
3.insert into A
select * from temp_tab