我有一个用 cakephp 2.x 开发的网站我有一个包含很多表的查询。我知道执行这个大查询的最有效方法是手动进行连接查询。但我想尝试包含。我只选择了我需要的字段，但最后我打印了里面创建了多少查询：5000 个查询！！数据库需要 6-10 秒来详细说明这个查询，我想优化时间。cakephp 有优化的方法吗？我现在不想使用连接，因为要创建很多连接。有可能吗？我知道这是一个包含大量数据的疯狂查询，但它是包含大量数据的产品主页。这是查询：
$this->set('product',$this->Product->find('all', array(
'contain' => array(
'Origin' => array(
'fields'=>array('id','diet_id'),
'OriginAlias' => array(
'fields'=>array('id','origin_id','language','alias'),
'conditions' => array('OriginAlias.language' => $lang)
),
'Diet' => array(
'fields'=>array('id'),
'DietAlias' => array(
'fields'=>array('id','diet_id','language','alias'),
'conditions' => array('DietAlias.language' => $lang)
),
)
),
'ProductAlias' => array(
'conditions' => array('ProductAlias.alias' => $alias),
'User' => array(
'fields'=>array('id','username'),
'Profile' => array(
'fields'=>array('id','user_id','country','sex','diet','show_diet'),
),
'UserOptions' => array ('fields' => array ('avatar_type')),
'Avatar' => array ('fields' => array ('filename'))
),
'User2' => array(
'fields'=>array('id','username'),
'Profile' => array(
'fields'=>array('id','user_id','country','sex','diet','show_diet'),
),
'UserOptions' => array ('fields' => array ('avatar_type')),
'Avatar' => array ('fields' => array ('filename'))
)
),
'ProductImage'=> array(
'limit' => 1,
'ProductImageVote'=> array(
'order' => 'ProductImageVote.vote desc'
),
'User' => array(
'fields'=>array('id','username'),
'Profile' => array(
'fields'=>array('id','user_id','country','sex','diet','show_diet'),
),
)
),
'ProductGroupProduct' => array(
'fields'=>array('id','user_id','product_id','product_group_id'),
'ProductGroup'=> array(
'fields'=>array('id','text','language'),
),
),
'ProductIngredientVersion' => array(
'conditions' => $cond_version,
'limit' => 1,
'ProductIngredient' => array(
/*'Product' => array(
'ProductAlias' => array()
),*/
'Ingredient' => array(
'fields'=>array('id','user_id','origin_id','active'),
'IngredientAlias' => array(
'fields'=>array('id','user_id','ingredient_id','edit_user_id','alias'),
),
),
),
),
'ProductVersion' => array(
'conditions' => array('ProductVersion.active' => '1', 'ProductVersion.product_id' => $id),
'limit' => 1,
'ProductProperty' => array(
'Property' => array(
'fields'=>array('id','user_id','group_id','unit_id'),
'PropertyAlias' => array(
'fields'=>array('id','user_id','property_id','alias','language'),
'conditions' => array('PropertyAlias.language' => $lang)
),
'Unit' => array(
'fields'=>array('id','user_id','symbol','active'),
),
'PropertyGroup' => array(
'fields'=>array('id','user_id'),
'PropertyGroupAlias' => array(
'fields'=>array('id','user_id','group_id','alias'),
'conditions' => array('PropertyGroupAlias.language' => $lang)
)
)
),
),
),
'Manufacturer' => array(
'fields'=>array('id','text'),
),
'Brand' => array(
'fields'=>array('id','text'),
),
'UserProductLike' => array(
'conditions' => array('UserProductLike.product_id' => $id),
),
'UserProductHate' => array(
'conditions' => array('UserProductHate.product_id' => $id),
),
),
'conditions' => array('Product.id' => $id)
)));