https://blog.csdn.net/kriszhang/article/details/72125203
首先设置一个变量,初始值为0:
set @r:=0;
- 1
然后更新表中对应的ID列:
update tablename set id=(@r:=@r+1)
- 1
如果是插入,那就找一个记录多的表t1
set @r:=0;
insert into t select @r:=@r+1 from t1 limit 0, 2000
- 1
- 2
@完
https://blog.csdn.net/kriszhang/article/details/72125203
首先设置一个变量,初始值为0:
set @r:=0;
然后更新表中对应的ID列:
update tablename set id=(@r:=@r+1)
如果是插入,那就找一个记录多的表t1
set @r:=0;
insert into t select @r:=@r+1 from t1 limit 0, 2000
@完