Re: Auto Increment A Field

Usually I let the counter cache do this kind of things, my apps are
not so famous that I will run into problems due to high CPU ussage,
and nowadays disk space is really cheap. For instance I would create a
'votes' table and model, and store there datetime, user id, ip address
and other details of the voter

On 13 mar, 23:47, euromark <dereurom...@googlemail.com> wrote:
> nice catch :)
> i guess thats true
>
> additionally, updateAll() doesnt trigger any callbacks like
> beforeSave() or afterSave().
> probably a good thing in this case, as well
>
> On 13 Mrz., 23:06, Ryan Schmidt <google-2...@ryandesign.com> wrote:
>
> > Nick, that code has a race condition. Two different users looking at the page at the same time could cause the count to be incremented by only one total, when you want the count to be incremented by one for each user.
>
> > The method Krissy showed is atomic and does not have this problem.
>
> > On Mar 12, 2011, at 11:28, nurvzy wrote:
>
> > > $this->Product->id = 40;
> > > $this->Product->saveField('vote', $this->Product->field('vote') + 1);
>
> > > Nick
>
> > > On Mar 12, 9:36 am, Krissy Masters wrote:
> > >> $this->Product->updateAll(array('Product.vote'=>'Product.vote+1'),
> > >> array('Product.id'=>40));

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