Re: Pagination: specifying related hasMany model in $paginate options array

On Tue, Oct 26, 2010 at 5:10 PM, rafadev <rafadev@gmail.com> wrote:
> Hello!
>
> I have Contracts model that hasMany ContractExportDate.
>
> If I just do:
>
> $this->Contract->recursive = 1;
> $this->set('contracts', $this->paginate());
>
> the $contracts variable contains the contract itself, along with
> ContractExportDate:
>
>    [0] => Array
>        (
>            [Contract] => Array
>                (
>                    [id] => 2
>                    (.......)
>                    [contractor_id] => 1
>                    [contract_type_id] => 3
>                    [status_id] => 202
>                ),
>            [ContractApprovalDate] => Array
>                (
>                    [0] => Array
>                        (
>                            [id] => 40
>                            [approval_date] => 2010-01-22 15:19:20
>                             (.......)
>                        )
>
>                )
>
> But if I specify it explicity on the $paginate array:
>
>        var $paginate = array(
>                'limit' => 20,
>                'fields' => array(
>                        'id',
>                        'from_date',
>                        'to_date',
>                        'division_id',
>                        'contractor_id',
>                        'contract_type_id',
>                        'status_id',
>                        'Contractor.id',
>                        'Contractor.firstname',
>                        'Contractor.lastname',
>                        'Division.name',
>                        'ContractExportDate.export_date')
>        );
>
> I get this error:
>
> Warning (512): SQL Error: 1054: Unknown column
> 'ContractExportDate.export_date' in 'field list
>
> Any ideas?

You should study Model.php to see how it builds its queries. And
consider using ContainableBehavior. What you're trying to do is
similar to how 'contain' operates.

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