Re: "why is it try to select models with id=2":
Because thats the value of country_id and state_id in the Photographer
record that's being selected:
WHERE `Photographer`.`id` = 1
On Nov 6, 8:35 pm, teknoid <[EMAIL PROTECTED]> wrote:
> That's very strange... why is it trying to select models with id=2?
> Doesn't seem like you pass any conditions to your find()...
> Are you sure there is nothing else going (maybe in model associations)
> or any other attached behaviors?
>
> On Nov 6, 6:34 pm, Brenton B <[EMAIL PROTECTED]> wrote:
>
> > Where there is only 1 level in the 'contain':
>
> > SELECT `Photographer`.`id`, `Photographer`.`first_name`,
> > `Photographer`.`last_name`, `Photographer`.`company_name`,
> > `Photographer`.`email`, `Photographer`.`telephone`,
> > `Photographer`.`address_1`, `Photographer`.`address_2`,
> > `Photographer`.`country_id`, `Photographer`.`state_id`,
> > `Photographer`.`city`, `Photographer`.`zip_code`, [[[... plus a bunch
> > of other fields ... ]]] `Country`.`id`, `Country`.`name`,
> > `Country`.`created`, `Country`.`created_by`, `Country`.`modified`,
> > `Country`.`modified_by`, `State`.`id`, `State`.`name`,
> > `State`.`country_id`, `State`.`created`, `State`.`created_by`,
> > `State`.`modified`, `State`.`modified_by` FROM `photographers` AS
> > `Photographer` LEFT JOIN `countries` AS `Country` ON
> > (`Photographer`.`country_id` = `Country`.`id`) LEFT JOIN `states` AS
> > `State` ON (`Photographer`.`state_id` = `State`.`id`) WHERE
> > `Photographer`.`id` = 1 LIMIT 1
>
> > SELECT `PrintSize`.`id`, `PrintSize`.`name`, `PrintSize`.`created`,
> > `PrintSize`.`created_by`, `PrintSize`.`modified`,
> > `PrintSize`.`modified_by`, `PhotographersPrintSize`.`id`,
> > `PhotographersPrintSize`.`photographer_id`,
> > `PhotographersPrintSize`.`print_size_id`,
> > `PhotographersPrintSize`.`price`, `PhotographersPrintSize`.`comment`,
> > `PhotographersPrintSize`.`created`,
> > `PhotographersPrintSize`.`created_by`,
> > `PhotographersPrintSize`.`modified`,
> > `PhotographersPrintSize`.`modified_by` FROM `print_sizes` AS
> > `PrintSize` JOIN `photographers_print_sizes` AS
> > `PhotographersPrintSize` ON
> > (`PhotographersPrintSize`.`photographer_id` = 1 AND
> > `PhotographersPrintSize`.`print_size_id` = `PrintSize`.`id`) WHERE 1 =
> > 1
>
> > Then as soon as I add in the extra level in 'contain' I get the above,
> > plus these extras:
>
> > SELECT `Country`.`id`, `Country`.`name`, `Country`.`created`,
> > `Country`.`created_by`, `Country`.`modified`, `Country`.`modified_by`
> > FROM `countries` AS `Country` WHERE `Country`.`id` = 2
>
> > SELECT `State`.`id`, `State`.`name`, `State`.`country_id`,
> > `State`.`created`, `State`.`created_by`, `State`.`modified`,
> > `State`.`modified_by` FROM `states` AS `State` WHERE `State`.`id` = 2
>
> > I'm hoping to have some time tonight to really dig through the
> > Containable behaviour code.
>
> > On Nov 6, 3:03 pm, teknoid <[EMAIL PROTECTED]> wrote:
>
> > > What are the "extra" queries, which get generated for Country and
> > > State, when you add other models?
> > > Could you provide an example?
>
> > > On Nov 6, 5:41 pm, Brenton B <[EMAIL PROTECTED]> wrote:
>
> > > > Photographer:
> > > > Photographer belongsTo Country
> > > > Photographer belongsTo State
> > > > Photographer HABTM PrintSize: with PhotographersPrintSize (join
> > > > table
> > > > has extra data)
>
> > > > PrintSize:
> > > > PrintSize HABTM Photographer: with PhotographersPrintSize
> > > > (again,
> > > > join table with data)
>
> > > > PhotographersPrintSize:
> > > > PhotographersPrintSize hasMany Photographer
> > > > PhotographersPrintSize hasMany PrintSize
>
> > > > yes, all in same db.
>
> > > > Also, forgot to mention, if I take off to recursive level (as below),
> > > > it does it fine without all the extra queries.
>
> > > > $this->set('photographer',
> > > > $this->Photographer->find('first',
> > > > array('contain'
> > > > => array(
> > > >
> > > > 'Country',
> > > >
> > > > 'State',
> > > >
> > > > 'PrintSize'))));
>
> > > > On Nov 6, 2:18 pm, teknoid <[EMAIL PROTECTED]> wrote:
>
> > > > > what's the relation between all those models?
> > > > > and are they all in the same db?
>
> > > > > On Nov 6, 5:12 pm, Brenton B <[EMAIL PROTECTED]> wrote:
>
> > > > > > Aha!!!
> > > > > > I think I've come up with the reason ...
>
> > > > > > As I was trying to produce a nice a short example I realized that
> > > > > > when
> > > > > > there's only 1 level it doesn't produce the extra queries ... as
> > > > > > soon
> > > > > > as there's more than 1 level it has the extra queries.
>
> > > > > > So if I have:
>
> > > > > > $this->set('photographer',
> > > > > > $this->Photographer->find('first',
> > > > > >
> > > > > > array('contain' => array(
> > > > > >
> > > > > > 'Country',
> > > > > >
> > > > > > 'State'))));
>
> > > > > > Then there's no problem, but if I have
>
> > > > > > $this->set('photographer',
> > > > > > $this->Photographer->find('first',
> > > > > >
> > > > > > array('contain' => array(
> > > > > >
> > > > > > 'Country',
> > > > > >
> > > > > > 'State',
> > > > > >
> > > > > > 'PrintSize.PhotographersPrintSize'))));
>
> > > > > > Then it'll do extra queries on Country and State, in addition to
> > > > > > PrintSize and PhotographersPrintSize.
>
> > > > > > Even if I change it to
>
> > > > > > $this->set('photographer',
> > > > > > $this->Photographer->find('first',
> > > > > >
> > > > > > array('contain' => array(
> > > > > >
> > > > > > 'Country',
> > > > > >
> > > > > > 'State',
> > > > > >
> > > > > > 'PrintSize' => array('PhotographersPrintSize')))));
>
> > > > > > I still run into the issue.
>
> > > > > > BTW:
>
> > > > > > class AppModel extends Model {
>
> > > > > > var $actsAs = array('Containable');
>
> > > > > > }
>
> > > > > > I suspect it's something to do with recursive, but will keep
> > > > > > digging.
>
> > > > > > On Nov 6, 8:33 am, teknoid <[EMAIL PROTECTED]> wrote:
>
> > > > > > > Can you show your use of containable?
> > > > > > > I think something might be amiss...
>
> > > > > > > On Nov 5, 6:21 pm, Brenton B <[EMAIL PROTECTED]> wrote:
>
> > > > > > > > After a bit of digging setting the 'recursive' property in the
> > > > > > > > model
> > > > > > > > _partially_ solves this:
> > > > > > > > var $actsAs = array('Containable' => array('recursive' =>
> > > > > > > > false));
>
> > > > > > > > However, obviously won't help where some items need a 2nd or 3rd
> > > > > > > > level.
>
> > > > > > > > So I guess it comes back to: is there any way to be
> > > > > > > > model-specific for
> > > > > > > > recursion?
>
> > > > > > > > On Nov 5, 2:54 pm, Brenton B <[EMAIL PROTECTED]> wrote:
>
> > > > > > > > > That's the problem with 'contain' though ... even if I do use
> > > > > > > > > a hasOne
> > > > > > > > > bind, 'contain' will still do extra queries.
> > > > > > > > > In the example I mentioned, it will retrieve everything
> > > > > > > > > properly in 1
> > > > > > > > > big query, but then it'll go back again and find the models
> > > > > > > > > listed in
> > > > > > > > > 'contain'.
> > > > > > > > > On a default page of 20 records (since I'm doing pagination),
> > > > > > > > > where
> > > > > > > > > each record has 4 extra models to find you're looking at 80
> > > > > > > > > extra
> > > > > > > > > unnecessary db hits ... multiply that by X users view the
> > > > > > > > > page and
> > > > > > > > > you're looking at a lot of unnecessary queries. Sure it's just
> > > > > > > > > milliseconds, but still quite concerning.
>
> > > > > > > > > On Nov 5, 2:48 pm, teknoid <[EMAIL PROTECTED]> wrote:
>
> > > > > > > > > > JOINS are only built for hasOne and belongsTo relationships.
> > > > > > > > > > A bunch of little selects will not harm your DB (how many
> > > > > > > > > > milliseconds
> > > > > > > > > > do those queries take?)
>
> > > > > > > > > > Are you displaying some list on the page? Maybe paginate is
> > > > > > > > > > in order
> > > > > > > > > > for this case?
>
> > > > > > > > > > All that being said, if you are not happy with that and
> > > > > > > > > > prefer a long
> > > > > > > > > > JOIN query, you can always "trick" cake into building one,
> > > > > > > > > > by using a
> > > > > > > > > > temporary hasOne bind.
>
> > > > > > > > > > On Nov 5, 5:08 pm, Brenton B <[EMAIL PROTECTED]> wrote:
>
> > > > > > > > > > > What might also help is a way to include recursion on
> > > > > > > > > > > only certain
> > > > > > > > > > > associations - which can be done with 'contain', but
> > > > > > > > > > > again, 'contain'
> > > > > > > > > > > is doing more db queries than it needs to.
>
> > > > > > > > > > > On Nov 5, 11:38 am, Brenton B <[EMAIL PROTECTED]> wrote:
>
> > > > > > > > > > > > This is getting quite confusing/frustrating ...
>
> > > > > > > > > > > > If I use 'contain' it's the equivalent of using
> > > > > > > > > > > > 'unbind' (on the fly)
> > > > > > > > > > > > on everything not
>
> ...
>
> read more ยป
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