[英]Split mysql row into multiple rows based on a date in the cake php
我在下表中有数据-
但是我想根据日期将mysql行拆分为多行
因为我想计算两个日期之间的发送电子邮件的数量,例如以下代码-
$condition[] = array(
'LeadTime.send ' => 1
'DATE(LeadTime.date) >= ' => $this->request->data['from_date'],
'DATE(LeadTime.date) <= ' => $this->request->data['end_date'],
);
}
$count = $this->Time->find('count', array(
'conditions' => $condition,
));
pr($count);
我不是第一个应该在日期列上使用UNION表数据库还是直接可以在蛋糕php中实现它。
请指导我。
这是一条SQL语句,它将根据您的表设计对结果进行计数。
SELECT SUM(IF(first_send = 1
AND first_start_date BETWEEN from_date AND end_date
AND second_send = 1
AND second_start_date BETWEEN from_date AND end_date
,2,1)) as amount
FROM times
WHERE
(first_send = 1 AND first_start_date BETWEEN from_date AND end_date)
OR
(second_send = 1 AND second_start_date BETWEEN from_date AND end_date);
在Cakephp中实现 :您可能应该使用准备好的语句,因为在创建列时停止SQL注入将很困难。
$db = $this->Time->getDataSource();
$db->fetchAll(
'SELECT SUM(IF(first_send = 1
AND first_start_date BETWEEN ? AND ?
AND second_send = 1
AND second_start_date BETWEEN ? AND ?
,2,1)) as amount
FROM times
WHERE
(first_send = 1 AND first_start_date BETWEEN ? AND ?)
OR
(second_send = 1 AND second_start_date BETWEEN ? AND ?)',
array($this->request->data['from_date'],$this->request->data['end_date']
,$this->request->data['from_date'],$this->request->data['end_date']
,$this->request->data['from_date'],$this->request->data['end_date']
,$this->request->data['from_date'],$this->request->data['end_date']));
使用find
的困难/问题是阻止sql注入,如下面的代码所示。
$this->Time->virtualFields['amount'] = 'SUM(IF(first_send = 1
AND first_start_date BETWEEN' . $this->request->data['from_date'] . ' AND ' . $this->request->data['end_date']
. ' AND second_send = 1 '
. ' AND second_start_date BETWEEN ' . $this->request->data['from_date'] . ' AND ' . $this->request->data['end_date']
. ',2,1))';
$conditions = array('OR' =>(
array('AND'=>array('Time.first_send' => '1'
,'Time.first_start_date BETWEEN ? AND ?' =>
array($this->request->data['from_date']
,$this->request->data['end_date']))),
array('AND'=>array('Time.second_send' => '1'
,'Time.second_start_date BETWEEN ? AND ?' =>
array($this->request->data['from_date']
,$this->request->data['end_date'])))
));
$this->Time->find('all',array(
'conditions' => $conditions,
'fields' => array('amount'),
));
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