[英]query joining three tables yii
如何將mysql查詢轉換為yii。
我有3張桌子
這是我的SQL查詢
SELECT t.email
FROM otz_user_header t
JOIN otz_customers r
ON t.user_id = r.customer_user_id
JOIN otz_customer_ratings cr
ON cr.customer_user_id = r.customer_user_id
WHERE r.rate_auto_approve = 0
AND r.rate_email_time IS NOT NULL
AND r.total_rating_count IS NOT NULL
AND cr.rating_date < Curdate()
AND cr.rating_date > Date_sub(Curdate(), INTERVAL 7 day)
如何將此查詢轉換為yii?
提前致謝。
“itachi”的答案是正確的,但如果你正在以activerecord的方式尋找......
model: UserHeader
關系:
'activeCustomers' => array(
self::HAS_MANY,
'Customer',
'customer_user_id',
'condition' => 'activeCustomers.rate_auto_approve=0
AND activeCustomers.rate_email_time IS NOT NULL
AND activeCustomers.total_rating_count IS NOT NULL'
),
型號: 客戶
關系:
'lastWeekRatings' => array(
self::HAS_MANY,
'CustomerRating',
'customer_user_id',
'condition' => 'lastWeekRatings.rating_date < CURDATE()
AND lastWeekRatings.rating_date > DATE_SUB( CURDATE(), INTERVAL 7 DAY )'
),
以下代碼返回與查詢相同的MODEL對象。 (我還沒有測試過)
$useremails = UserHeader::model()
->with('activeCustomers', 'activeCustomers.lastWeekRatings')
->findAll(array(
'select' => 't.email'
));
print_r($useremails);
USE DAO( 數據訪問對象 )
模型
public function test(){
$sql = "SELECT t.email
FROM otz_user_header t
JOIN otz_customers r ON t.user_id = r.customer_user_id
JOIN otz_customer_ratings cr ON cr.customer_user_id = r.customer_user_id
WHERE r.rate_auto_approve =0
AND r.rate_email_time IS NOT NULL
AND r.total_rating_count IS NOT NULL
AND cr.rating_date < CURDATE( )
AND cr.rating_date >DATE_SUB( CURDATE( ) , INTERVAL 7
DAY )";
return Yii::app()->db->createCommand($sql)->queryAll();
}
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