Thursday, April 28, 2011

Re: Some problem on the hasmany relationship

When use find('list',....), it is:
Array
(
[1] => 4
)


But the result suppose is :


Array
(
[1] => 7
[1] => 14
[1] => 4
)

It is always get the last record.

Thanks

On Apr 28, 3:14 pm, Jeremy Burns | Class Outfit
<jeremybu...@classoutfit.com> wrote:
> What are the results of find list?
>
> Jeremy Burns
> Class Outfit
>
> jeremybu...@classoutfit.comhttp://www.classoutfit.com
>
> On 28 Apr 2011, at 07:19, jackgoh wrote:
>
>
>
> > Hi Jeremy,
>
> > - There is a missing ' before category_id after
> > 'associationForeignKey'
> > => sorry, my typo in this content only. sorry.
>
> > - Your conditions in the find->list look wrong; try 'conditions' =>
> > array('stock_id' => $this->Stock->id)
> > => The results are the same. both ways are working, but your
> > suggestion way is better. ;)
>
> > - The convention is to name your joining table CategoryStock (the two
> > models are in alphabetical order). Although your arrangement ought to
> > work, I generally stay with conventions unless there is a compelling
> > reason not to.
> > => I changed it as what you suggested. (in Stock model & StockCategory
> > model)
>
> > - Do you have a model for StockCategory?
> > => Yes:
> > class CategoryStock extends AppModel
> > {
> >    var $name = CategoryStocks;
> > }
>
> > - What happens when you use find 'all' rather than 'list'?
> > => i got the correct array!!  But the result look like:
> > Array
> > (
> >    [0] => Array
> >        (
> >            [CategoryStock] => Array
> >                (
> >                    [stock_id] => 1
> >                    [business_category_id] => 4
> >                )
>
> >        )
>
> >    [1] => Array
> >        (
> >            [CategoryStock] => Array
> >                (
> >                    [stock_id] => 1
> >                    [business_category_id] => 7
> >                )
>
> >        )
> >    [2] => Array
> >        (
> >            [CategoryStock] => Array
> >                (
> >                    [stock_id] => 1
> >                    [business_category_id] => 14
> >                )
>
> >        )
>
> > )
>
> > - What happens when you die(debug($selectedRecord)) in your controller
> > before passing it to your view?
> > => same as above result.
>
> > Out of interest, what does the resulting SQL look like?
> > => (i simplified) :SELECT CategoryStock.* FROM `stock_CategoryStocks`
> > AS `CategoryStock` WHERE `stock_id` = 1 , effected rows is 3 , which
> > is always correct, when use the find('list'), the effected rows is
> > still 3, but debug($selectedRecord) show only 1 record in the array.
> > Weird.
>
> > Thanks.
>
> > Regards
> > Jack
>
> > On Apr 28, 12:03 pm, Jeremy Burns | Class Outfit
> > <jeremybu...@classoutfit.com> wrote:
> >> These might be typos but some of the code looks *slightly* odd.
>
> >> - There is a missing ' before category_id after 'associationForeignKey'
> >> - Your conditions in the find->list look wrong; try 'conditions' => array('stock_id' => $this->Stock->id)
> >> - The convention is to name your joining table CategoryStock (the two models are in alphabetical order). Although your arrangement ought to work, I generally stay with conventions unless there is a compelling reason not to.
> >> - Do you have a model for StockCategory?
> >> - What happens when you use find 'all' rather than 'list'?
> >> - What happens when you die(debug($selectedRecord)) in your controller before passing it to your view?
>
> >> Out of interest, what does the resulting SQL look like?
>
> >> Jeremy Burns
> >> Class Outfit
>
> >> jeremybu...@classoutfit.comhttp://www.classoutfit.com
>
> >> On 27 Apr 2011, at 22:51, jackgoh wrote:
>
> >>> Hi cricket,
>
> >>> The $this->Stock->id is set correctly. And the SQL is working
> >>> perfectly, i can get the correct number of records (which 3 of them:
> >>> 4, 7, 14)
>
> >>> On Apr 27, 1:53 am, cricket <zijn.digi...@gmail.com> wrote:
> >>>> Is $this->Stock->id set to something? What does the SQL look like? Set
> >>>> debug to 2 to see it.
>
> >>>> On Mon, Apr 25, 2011 at 1:25 PM, jackgoh <kockh...@gmail.com> wrote:
> >>>>> Hi,
>
> >>>>> I am facing some problem when deal with a realtionship tables, the
> >>>>> record is not display :
>
> >>>>> // in Stock model:
> >>>>>        var $hasAndBelongsToMany = array(
> >>>>>                'Category' => array(
> >>>>>                        'className' => 'Category',
> >>>>>                        'joinTable' => 'category',
> >>>>>                        'foreignKey' => 'stock_id',
> >>>>>                        'associationForeignKey' => category_id',
> >>>>>                        'with' => 'StockCategory',
> >>>>>                ),
> >>>>>        );
>
> >>>>> // in Stock controller:
> >>>>> $selectedRecord = $this->Stock->StockCategory->find('list',
> >>>>> array( 'fields'=>array('stock_id','category_id'),
> >>>>> 'conditions'=>array('stock_id='.$this->Stock->id) ) );
> >>>>> $this->set(compact('selectedRecord'));
>
> >>>>> I try to copy the SQL by using debug() to phpmysql, and i get 3 lines
> >>>>> of records. but when i try to PRINT_R the $selectedRecord, i can only
> >>>>> get 1 record, example:
>
> >>>>> Array
> >>>>> (
> >>>>>    [1] => 4
> >>>>> )
>
> >>>>> Suppose the result have to be :
>
> >>>>> Array
> >>>>> (
> >>>>>    [1] => 4
> >>>>>    [1] => 7
> >>>>>    [1] => 14
> >>>>> )
>
> >>>>> Values : 4,7,14 are category_id, [1] is stock_id. There is a table
> >>>>> call "category" to store all the category name.
>
> >>>>> Please point out whats wrong to my code or logic??
>
> >>>>> Thanks
>
> >>>>> Best Regards.
>
> >>>>> --
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