My colleague just pointed out to me that afterFind() passes another
parameter $primary that is supposed to help (see
http://book.cakephp.org/view/681/afterFind).
However I see it unitialized when it is supposed to be true.
On Sep 16, 5:23 pm, vb13 <val.brod...@gmail.com> wrote:
> iFeghali,
>
> I have a somewhat similar problem. I have spent today an hour or two
> looking into how Cake handles db queries for hasMany vs. hasOne or
> belongsTo relationships. Hopefully this will help you to understand
> why are you seeing what you are seeing.
>
> Cake processes hasMany and hasOne, belongsTo differently. In the case
> of hasOne and belongsTo, when, say, 2 models are involved, they
> generate 1 query with a join, and then retrieve data in one shot.
>
> In the case when model A hasMany Model B (for example Machine and
> MachineContact) it looks like cake will first retrieve a query for
> Machine data and then for each machine there will be one query to
> retrieve MachineContract.
>
> So there are 2 logical branches and each callsafterFindslightly
> different.
>
> In the case of hasOne I see a call in the __filterResults() function
> around line 716 of db_source.php like such ( I am using Cake 1.2.5):
>
> if
> (isset($model->{$className}) && is_object($model->
> {$className})) {
> $data =
> $model->{$className}->afterFind(array(array($className
> => $results[$i][$className])), false);
> }
>
> This will pass yourafterFindmethod a structure $result[0]
> ['MachineContact'][..]
>
> In the case of hasManyafterFind() is called in the queryAssociation()
> function line 877 as follows:
>
> if
> (isset($resultSet[$i][$association])) {
> $resultSet[$i][$association]
> = $linkModel->afterFind($resultSet
> [$i][$association]);
> }
> and this passes $result[...] date toafterFind()
>
> Is this a defect? I can not tell without deeper understanding of why
> it was coded this way.
>
> On Sep 2, 3:56 pm, iFeghali <igor.fegh...@gmail.com> wrote:
>
> > anyone got a clue ?
>
> > I am still very confused on this matter. I have tried moving from
> > "recursive" to "containable" with no luck.
>
> > Thank you.
>
> > On Jul 28, 5:31 pm, iFeghali <igor.fegh...@gmail.com> wrote:
>
> > > Hello All,
>
> > > I found myself stuck for a week in an issue that I would really
> > > appreciate any kind of help. Thats my scenario:
>
> > > Machine HABTM Service
> > > Machine belongsTo Type
> > > Type hasOne Machine
> > > Machine hasMany MachineContact
> > > MachineContact belongsTo Machine
>
> > > Now I have Machine->afterFind() hypothetically defined as:
>
> > > <?php
> > > functionafterFind($results, $primary = false) {
> > > print_r($results);
> > > return $results;}
>
> > > ?>
>
> > > Recursive is set to 2 for everything. So far so good.
>
> > > If I go to /services/view/someId I get:
>
> > > Array
> > > (
> > > [0] => Array
> > > (
> > > machine attribs ...
> > > [MachinesService] => Array
> > > (
> > > ...
> > > )
> > > [Type] => Array
> > > (
> > > ...
> > > )
> > > [MachineContact] => Array
> > > (
> > > [0] => Array
> > > (
> > > ...
> > > )
>
> > > [1] => Array
> > > (
> > > ...
> > > )
> > > )
> > > )
> > > )
> > > Array
> > > (
> > > [0] => Array
> > > (
> > > [Machine] => the Array above
> > > )
> > > )
>
> > > First question, I do not understand whyafterFind() was called twice.
> > > In the SQL log there is only one query searching the machines table.
> > > As I browsed cake's source I found thatafterFind() in called in the
> > > model layer and after that again at the DB layer. Did I get it right ?
> > > If so, why is the reason for that ?
>
> > > But the real issue comes when I go to /types/view/someId:
>
> > > Array
> > > (
> > > [0] => Array
> > > (
> > > [Machine] => Array
> > > (
> > > ...
> > > )
> > > )
> > > )
> > > Array
> > > (
> > > [0] => Array
> > > (
> > > [Machine] => Array
> > > (
> > > [0] => Array
> > > (
> > > machine attribs...
> > > [Type] => Array
> > > (
> > > ...
> > > )
> > > [MachineContact] => Array
> > > (
> > > [0] => Array
> > > (
> > > ...
> > > )
> > > )
> > > [Service] => Array
> > > (
> > > [0] => Array
> > > (
> > > ...
> > > )
> > > )
> > > )
> > > )
> > > )
> > > )
>
> > >afterFind() is called twice again as [un]expected. The problem is,
> > > this time, in the first run it didn't fetch any of the Machines
> > > associated models, even though recursive is set to 2. Also, the array
> > > is indexed by model name what doesn't happens in the first test.
> > > Secondly, in the second run the machine array comes complete with all
> > > the attributes plus the associated models, indexed by model name
> > > again.
>
> > > So, what did I missed here ?
>
> > > Thank you.
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