Thursday, April 28, 2011

Re: Some problem on the hasmany relationship

What are the results of find list?

Jeremy Burns
Class Outfit

jeremyburns@classoutfit.com
http://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.
>>
>>>>> --
>>>>> Our newest site for the community: CakePHP Video Tutorialshttp://tv.cakephp.org
>>>>> Check out the new CakePHP Questions sitehttp://ask.cakephp.organdhelp others with their CakePHP related questions.
>>
>>>>> To unsubscribe from this group, send email to
>>>>> cake-php+unsubscribe@googlegroups.com For more options, visit this group athttp://groups.google.com/group/cake-php-Hide quoted text -
>>
>>>> - Show quoted text -
>>
>>> --
>>> Our newest site for the community: CakePHP Video Tutorialshttp://tv.cakephp.org
>>> Check out the new CakePHP Questions sitehttp://ask.cakephp.organd help others with their CakePHP related questions.
>>
>>> To unsubscribe from this group, send email to
>>> cake-php+unsubscribe@googlegroups.com For more options, visit this group athttp://groups.google.com/group/cake-php- Hide quoted text -
>>
>> - Show quoted text -
>
> --
> Our newest site for the community: CakePHP Video Tutorials http://tv.cakephp.org
> Check out the new CakePHP Questions site http://ask.cakephp.org and help others with their CakePHP related questions.
>
>
> To unsubscribe from this group, send email to
> cake-php+unsubscribe@googlegroups.com For more options, visit this group at http://groups.google.com/group/cake-php

--
Our newest site for the community: CakePHP Video Tutorials http://tv.cakephp.org
Check out the new CakePHP Questions site http://ask.cakephp.org and help others with their CakePHP related questions.


To unsubscribe from this group, send email to
cake-php+unsubscribe@googlegroups.com For more options, visit this group at http://groups.google.com/group/cake-php

No comments: