如何在join laravel上使用不同的ID从同一个表中检索不同的名称
我需要从destinations表中获取每个from_destination_id和to_destination_id的名称 从DestinationName到toDestinationName如何在join laravel上使用不同的ID从同一个表中检索不同的名称,laravel,join,eloquent,data-retrieval,Laravel,Join,Eloquent,Data Retrieval,我需要从destinations表中获取每个from_destination_id和to_destination_id的名称 从DestinationName到toDestinationName $bookingTransfersData = DB::table('transfers as t') ->select('t.periodStart as periodStart', 't.periodEnd as periodEnd','t.days','t.trans
$bookingTransfersData = DB::table('transfers as t')
->select('t.periodStart as periodStart', 't.periodEnd as periodEnd','t.days','t.transfer_id','t.cost_round_trip',
't.cost_one_way','t.status','d.destination_id as destinationId','d.name as destinationName', 't.type',
'tf.name as officeName', 'ag.name as agencyName', 'u.name as userName', 'v.name as vehicleName')
->join('destinations as d', function ($join){
$join->on('t.from_destination_id','=','d.destination_id')
->orOn('t.to_destination_id','=','d.destination_id');
})->join('vehicles as v','t.vehicle_id','=','v.vehicle_id')
->join('transfer_offices as tf','t.office_id','=','tf.transfer_office_id')
->join('agencies as ag','t.forAgency_id','=','ag.agency_id')
->join('users as u','t.addedBy_user_id','=','u.id')
->get();
我想在这个结果之后得到每个id的名称
$searchResults = $bookingTransfersData
->where('periodStart','between', $periodStart && $periodEnd)
->where('periodEnd','between', $periodStart && $periodEnd)
->where('destinationName','=',$from_destination_name && $to_destination_name)->where('type','like', $type);
比如:
$fromDestinationName = $searchResults->pluck('from_destination_id','destinationName')
->where('from_destination_id','=','destinationId');
但是$fromDestinationName
返回一个空集合
请帮助:)我通过删除此连接解决了此问题:
->join('destinations as d', function ($join){
$join->on('t.from_destination_id','=','d.destination_id')
->orOn('t.to_destination_id','=','d.destination_id');
})
并为每个目的地添加一个联接以检索每个名称
如果我不将两次加入的表名添加为,将其命名为新名称,那么这将不起作用
“目的地为d1”
和“目的地为d2”
$bookingTransfersData = DB::table('transfers as t')
->select('t.periodStart as periodStart', 't.periodEnd as periodEnd','t.days','t.transfer_id','t.cost_round_trip',
't.cost_one_way','t.status','d1.destination_id as fromDestinationId','d1.name as fromDestinationName', 't.type',
't.to_destination_id','tf.name as officeName', 'ag.name as agencyName', 'u.name as userName', 'v.name as vehicleName',
't.from_destination_id', 'd2.destination_id as toDestinationId','d2.name as toDestinationName')
->join('destinations as d1','t.from_destination_id','=','d1.destination_id')
->join('destinations as d2','t.to_destination_id','=','d2.destination_id')
->join('vehicles as v','t.vehicle_id','=','v.vehicle_id')
->join('transfer_offices as tf','t.office_id','=','tf.transfer_office_id')
->join('agencies as ag','t.forAgency_id','=','ag.agency_id')
->join('users as u','t.addedBy_user_id','=','u.id')->get();
问题解决了:)