When you call save() on $this->Post, the insert ID is automatically
set in $this->Post->id;
In Cake 1.2, this is handled internally at the database driver level,
and in Cake 1.1 in Model::getLastInsertId(). In both cases, the data
is ultimately fetched from the driver in DboMysql::lastInsertId().
On Feb 13, 9:32 pm, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote:
> On Feb 14, 11:40 am, "admin_AT_loveyourdress.com" <[EMAIL PROTECTED]>
> wrote:
>
> > Before cake, whenever i save data into a row without specifying the
> > id(auto incremental primary key). I cant get the id number back from
> > mysql withouth doing a search. However, using cake's model->save, i
> > get the model->id magically. Anyone actually knows how cake retrived
> > the id key?
>
> It doesn't as far as I know. Here's an example from the manual where
> the id is retrieved after saving to save associated data
> This uses the $this->Post->getLastInsertId(); function.
>
> /app/controllers/posts_controller.php (partial)
> function add()
> {
> if (!empty($this->data))
> {
> //We can save the Post data:
> //it should be in $this->data['Post']
>
> $this->Post->save($this->data);
>
> //Now, we'll need to save the Comment data
> //But first, we need to know the ID for the
> //Post we just saved...
>
> $post_id = $this->Post->getLastInsertId();
>
> //Now we add this information to the save data
> //and save the comment.
>
> $this->data['Comment']['post_id'] = $post_id;
>
> //Because our Post hasMany Comments, we can access
> //the Comment model through the Post model:
>
> $this->Post->Comment->save($this->data);
>
> }}
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