create table uses{
id int(11) auto_increment,
useid varchar(30) not null,
server varhcar(10) not null,
date datetime not null
}Alter table user add unique(useid,server);insert into uses values(0,'wowo',1,'2011-01-12 00:00:00');
insert into uses values(0,'wowo',2,'2011-01-15 00:00:00');
insert into uses values(0,'aa','2011-01-15 00:00:00');
insert into uses values(0,'aa','2011-01-12 00:00:00');我想把2各区的数据合并,但是2区和1区数据可能相同,所以触犯唯一约束,请问,该怎么办
id int(11) auto_increment,
useid varchar(30) not null,
server varhcar(10) not null,
date datetime not null
}Alter table user add unique(useid,server);insert into uses values(0,'wowo',1,'2011-01-12 00:00:00');
insert into uses values(0,'wowo',2,'2011-01-15 00:00:00');
insert into uses values(0,'aa','2011-01-15 00:00:00');
insert into uses values(0,'aa','2011-01-12 00:00:00');我想把2各区的数据合并,但是2区和1区数据可能相同,所以触犯唯一约束,请问,该怎么办
insert ignore into uses values(0,'wowo',2,'2011-01-15 00:00:00');
insert ignore into uses values(0,'aa','2011-01-15 00:00:00');
insert ignore into uses values(0,'aa','2011-01-12 00:00:00');