如何在codeigniter中添加外键迁移?
来自此代码的错误如何在codeigniter中添加外键迁移?,codeigniter,Codeigniter,来自此代码的错误 $this->dbforge->add_field(['CONSTRAINT FOREIGN KEY (user_id) REFERENCES user(id)']); 无法添加外键约束 有人能识别此代码是如何产生错误的吗?使用此代码 $this->dbforge->add_field(['CONSTRAINT FOREIGN KEY (user_id) REFERENCES user(id)']); 或 $this->dbforge-
$this->dbforge->add_field(['CONSTRAINT FOREIGN KEY (user_id) REFERENCES user(id)']);
无法添加外键约束
有人能识别此代码是如何产生错误的吗?使用此代码
$this->dbforge->add_field(['CONSTRAINT FOREIGN KEY (user_id) REFERENCES user(id)']);
或
$this->dbforge->add_field('CONSTRAINT FOREIGN KEY (id) REFERENCES table(id)');