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如果我打开一个可能已经被问到的问题，我提前道歉，但我认为我没有找到任何结果。

我对以下 CakePHP 代码部分有疑问：

$unavailable_resource_ids = $this->Resources->Unavailabilities
    ->find()
    ->select(['resource_id'])
    ->matching('Bookings', function ($q) {
        return $q->where([
            'Bookings.booking_status_id NOT IN ' => [6, 4, 3]
        ]);
    })
    ->where([
        'OR' => [
            [
                'Unavailabilities.start <= :start_date',
                'DATE_ADD(Unavailabilities.end, INTERVAL '. $recovery_time .') >= :end_date'
            ],
            [
                'Unavailabilities.start <= :start_date',
                'DATE_ADD(Unavailabilities.end, INTERVAL '. $recovery_time .') BETWEEN :start_date AND :end_date'
            ],
            [
                'Unavailabilities.start BETWEEN :start_date AND :end_date',
                'DATE_ADD(Unavailabilities.end, INTERVAL '. $recovery_time .') >= :end_date'
            ],
            [
                'Unavailabilities.start >= :start_date',
                'DATE_ADD(Unavailabilities.end, INTERVAL '. $recovery_time .') <= :end_date'
            ]
        ]
    ])
    ->bind(':start_date', $start_date_object, 'datetime')
    ->bind(':end_date', $end_date_object, 'datetime');

我需要为变量提供适当的值，该变量recovery_time将从资源表中提取，但是我无法解决该问题。

表格resources栏：

id, description, model, recovery_time, etc....

我需要将recovery_time值插入到变量recovery_time中，可以是 1 天、1 周等。

我有一个 解决方案，我在 INTERVAL 中添加了一个子查询，这是代码，也许对其他人有用。

$unavailable_resource_ids = $this->Resources->Unavailabilities
->find()
->select(['resource_id'])
->matching('Bookings', function ($q) {
  return $q->where(['Bookings.booking_status_id NOT IN ' => [6, 4, 3]]);
  })
->where([
  'OR' => [
  ['Unavailabilities.start <= :start_date', 'DATE_ADD(Unavailabilities.end,     INTERVAL (SELECT resources.recovery_time FROM resources WHERE id = Unavailabilities.resource_id) DAY) >= :end_date'],
  ['Unavailabilities.start <= :start_date', 'DATE_ADD(Unavailabilities.end, INTERVAL (SELECT resources.recovery_time FROM resources WHERE id = Unavailabilities.resource_id) DAY) BETWEEN :start_date AND :end_date'],
  ['Unavailabilities.start BETWEEN :start_date AND :end_date', 'DATE_ADD(Unavailabilities.end, INTERVAL (SELECT resources.recovery_time FROM resources WHERE id = Unavailabilities.resource_id) DAY )  >= :end_date'],
  ['Unavailabilities.start >= :start_date', 'DATE_ADD(Unavailabilities.end, INTERVAL (SELECT resources.recovery_time FROM resources WHERE id = Unavailabilities.resource_id) DAY) <= :end_date']
]
])
->bind(':start_date', $start_date_object, 'datetime')
->bind(':end_date', $end_date_object, 'datetime');`
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