更改mysql数据库主键自增时报错ALTER TABLE causes auto_increment resequencing, resulting in duplicate entry ‘1
error:
ALTER TABLE causes auto_increment resequencing, resulting in duplicate entry ’1′ for key ‘PRIMARY’
sol:
1:将主键字段值为0的那条记录值改期望的自增初始值,如99
2:修改主键字段为auto_increment
3:把刚才修改过的那条记录的值还原
4:后续自动插入 id从100开始自增