Hi, 
i have tables structure like this:
and i want to get data:
[b]
product.product_id,product.model, product_description.description,category_description.description[/b]
and i have create relation in my activerecord:
product:
public function relations(){
return array(
'deskripsi'=>array(self::HAS_MANY,'TProductDescription','product_id'),
);
}
ProductDescription
public function relations()
{
// NOTE: you may need to adjust the relation name and the related
// class name for the relations automatically generated below.
return array(
'product'=>array(self::BELONGS_TO,'TProduct','product_id'),
'category'=>array(self::MANY_MANY,'TCategory','product_to_category(product_id,category_id)'),
);
}
and this code to get data:
$provider = new CActiveDataProvider('TProductDescription',
array(
'criteria'=>array(
'with'=>array('product','category'),
'select'=>'*',
'condition'=>'t.language_id=1',
)
)
);
but get error:
The relation "category" in active record class "TProductDescription" is specified with an incomplete foreign key. The foreign key must consist of columns referencing both joining tables
this sample for manual:
select
b.product_id,
b.model,
a.description,
d.description
From product_description as a
left join product as b
on a.product_id = b.product_id
left join product_to_category as c
on b.product_id = c.product_id
left join category_description as d
on c.category_id = d.category_id
WHERE a.language = 1
what is wrong with my code ?
thank you