CakePHP 2 Paginate Order By最近日期

Question

我想從我的CakePhp 2.x應用程序中的Orders表中得到結果列表，以按照離今天最近的日期排序。

在通常的MySQL查詢我有過類似的與說的語法如下工作的東西：

ABS(DATEDIFF(Order.duedate, NOW())) 

然而，在蛋糕，我不知道如何得到這樣的自定義查詢到PAGINATE助手裏工作。這是我可能需要在模型中的查找器查詢中設置的東西嗎？

這裏是控制器我現在有（設定爲沼澤標準降序排序）

public function index() { 
      $this->paginate = array( 
        'conditions' => array (
         'Order.despatched' => array('Not Despatched' , 'Split Despatched') 
        ), 
        'limit' => 25, 
        'order' => array('Order.duedate' => 'DESC') 
      ); 

      $data = $this->paginate('Order'); 
      $this->set('orders', $data); 
} 

編輯：從評論使用信息下面我添加了一個虛擬字段插入引起SQL錯誤的控制器。起初，我認爲這是由於模型內的關聯，試圖糾正這一點，我將virtualField添加到訂單模型中，並添加到相關賬戶模型的構造函數中。然而，這並沒有改變的部分斷裂的SQL。完整的SQL錯誤是：

Error: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AS `Order__closestdate`, `Account`.`id`, `Account`.`company`, `Account`.`contac' at line 1 

SQL Query: SELECT `Order`.`id`, `Order`.`order_id`, `Order`.`orderdate`, 
`Order`.`duedate`, `Order`.`rework`, `Order`.`rework_notes`, `Order`.`comments`, 
`Order`.`status`, `Order`.`customer`, `Order`.`last_edited`, `Order`.`value`, 
`Order`.`quantity`, `Order`.`order_for`, `Order`.`warehouse`, `Order`.`haulier`, 
`Order`.`terms`, `Order`.`type`, `Order`.`despatched`, `Order`.`despatched_date`, 
`Order`.`invoiced`, `Order`.`invoice_date`, `Order`.`bookingref`, 
`Order`.`purchaseref`, `Order`.`payment_due`, `Order`.`payment_status`, 
`Order`.`payment_date`, (ABS(DATEDIFF(duedate, NOW())) AS `Order__closestdate`, 
`Account`.`id`, `Account`.`company`, `Account`.`contact`, `Account`.`phone`, 
`Account`.`email`, `Account`.`postcode`, `Account`.`created`, `Account`.`modified`, 
`Account`.`customer`, `Account`.`address1`, `Account`.`address2`, `Account`.`town`, 
`Account`.`county`, (ABS(DATEDIFF(duedate, NOW())) AS `Account__closestdate` FROM 
`hunter_om`.`orders` AS `Order` LEFT JOIN `hunter_om`.`accounts` AS `Account` ON 
(`Order`.`customer` = `Account`.`customer`) WHERE `Order`.`despatched` IN ('Not 
Despatched', 'Split Despatched') ORDER BY (ABS(DATEDIFF(duedate, NOW())) DESC LIMIT 25 

僅供參考模型中的代碼是：

//Order Model 
public $virtualFields = array(
    'closestdate' => 'ABS(DATEDIFF(duedate, NOW())' 
); 

//Account Model 
    public function __construct($id = false, $table = null, $ds = null) { 
    parent::__construct($id, $table, $ds); 
    $this->virtualFields['closestdate'] = $this->Order->virtualFields['closestdate']; 
    } 

任何幫助表示讚賞感謝。

Answer 1

您需要在分頁之前在Order模型中添加'virtualField';

$this->Order->virtualFields['closestdate'] = "ABS(DATEDIFF(Order.duedate, NOW()))"; 

然後使用該字段作爲查詢正規場/分頁

public function index() { 

    $this->Order->virtualFields['closestdate'] = "ABS(DATEDIFF(Order.duedate, NOW()))"; 

    $this->paginate = array( 
     'conditions' => array (
      'Order.despatched' => array('Not Despatched' , 'Split Despatched') 
     ), 
     'limit' => 25, 
     'order' => array('Order.closestdate' => 'DESC') 
    ); 

    $data = $this->paginate('Order'); 
    $this->set('orders', $data); 
}