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Laravel Eloquent selecciona solo columnas de la relación

Tengo dos modelos InvoiceTotal y MeterTariff con dentro del modelo InvoiceTotal una relación de uno a muchos

 public function meter_tariff() { return $this->belongsTo(MeterTariff::class); }

Estoy consultando todas las filas únicas de meter_tariff en función de los ID de factura usando las funciones with y distinct .

 $validatedData = $request->validate([ 'invoice_ids' => ['required', 'array'], 'invoice_ids*' => ['exists:invoices, id'] ]); $meter_tariffs = InvoiceTotal::with('meter_tariff') ->whereIn('invoice_id', $validatedData['invoice_ids']) ->distinct('meter_tariff_id') ->get();

Esto está funcionando bien. El resultado es una matriz con filas únicas basadas en meter_tariff_id, pero obtengo todas las columnas de InvoiceTotal y la relación MeterTariff .

Quiero limitar las columnas seleccionadas a la id y el name de la relación MeterTariff .

He probado el siguiente código.

Seleccione:

 $meter_tariffs = InvoiceTotal::with('meter_tariff') ->whereIn('invoice_id', $validatedData['invoice_ids']) ->distinct('meter_tariff_id') ->select('meter_tariff:id,name') ->get();

Consulta dentro de con:

 $meter_tariffs = InvoiceTotal::with(['meter_tariff' => function($query) { $query->select('id', 'name'); }]) ->whereIn('invoice_id', $validatedData['invoice_ids']) ->distinct('meter_tariff_id') ->get();

Selección en el con:

 $meter_tariffs = InvoiceTotal::with('meter_tariff:id, name') ->whereIn('invoice_id', $validatedData['invoice_ids']) ->distinct('meter_tariff_id') ->get();
over 4 years ago · Santiago Trujillo
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Puede usar arrancar para obtener solo las columnas seleccionadas: id y nombre de la relación MeterTariff.

 $meter_tariffs = InvoiceTotal::with('meter_tariff')->whereIn('invoice_id', $validatedData['invoice_ids'])->distinct('meter_tariff_id')->get()->pluck('meter_tariff.id', 'meter_tariff.name')
over 4 years ago · Santiago Trujillo Report
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