到目前为止,我一直在使用 SQL 查询,yii2
该查询在本地运行良好,但一旦我将其部署到服务器,它就会显示
我尝试将其更改为 yii 查询,因为它在下面是正确的实现
$query = $connection->createCommand("SELECT a.name_of_flight, a.time_of_flight, (a.no_of_passenger - b.cnt) as avail, a.no_of_passenger FROM flight_schedule a LEFT JOIN (SELECT flight_time, COUNT(id) AS cnt FROM book_eticket WHERE flight_date='$date' AND company_name = '$comp_name' GROUP BY flight_time) b ON a.id = b.flight_time")->queryAll();
至
$query = (new \yii\db\Query());
$query
->select('a.name_of_flight, a.time_of_flight, (a.no_of_passenger - b.cnt) as avail, a.no_of_passenger')
->from('flight_schedule a')
->leftJoin('flight_time', ('COUNT(id) AS cnt FROM book_eticket'))
->where(array('and', 'flight_date=2016-6-29', 'company_name = Team5'))
->groupBy(['flight_time b','ON a.id = b.flight_time']);
$command = $query->createCommand();
$query = $command->queryAll();
但我收到一个错误:
谁能帮我找出问题所在?提前致谢