savefield() 创建新行或记录而不是更新特定记录
我使用 cakePHP 1.26。
我在一个表中得到了一些示例数据，该表有两个字段：{user_id，avatar}
我试图更新数据库中的旧记录：
$who=$this->Session->read('user.user_id'); // 12 was retrieved in this case
$c = "http://www.abc.com/myimage.gif";
$this->Test->User->user_id = $who;
$result = $this->Test->User->saveField('avatar',$c);
if( $result==true){return "ok";}
当我检查数据库时，我看到创建了一条新记录，但 user_id 12 的旧记录根本没有更新
请帮忙。
I am using cakePHP 1.26.
I got some sample data in a Table which has got two field: {user_id, avatar}
I was trying to update an old record in the database :
$who=$this->Session->read('user.user_id'); // 12 was retrieved in this case
$c = "http://www.abc.com/myimage.gif";
$this->Test->User->user_id = $who;
$result = $this->Test->User->saveField('avatar',$c);
if( $result==true){return "ok";}
When I checked the database, I saw a new record was creeated instead, but the old record with user_id 12 was not updated at all
Please help.
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问题就在这里：
假设您有正常的 CakePHP DB 约定，它应该是：
The problem is here:
Assuming that you have normal CakePHP DB convention it should be: