laravel relation returning null

Question

The following keeps bothering me.

UPDATE

I, firstly, posted a code which was not meant to post. I updated the code. Please take a look.

A table called plates

 $table->increments('id');
 $table->integer('equipment_status_code_id')->unsigned();
 $table->foreign('equipment_status_code_id')->references('id')->on('equipment_status_codes')->onDelete('cascade')->onUpdate('cascade');

And model plates

public function equipmentStatusCode()
{
   return $this->belongsTo('App\Models\EquipmentStatusCode');
}

and EquipmentStatusCode

   public function plate()
    {
         return $this->hasOne('App\Models\Plate');
    }

In route I do this

   $data = Plate::find(1);
   $att = $data->equipmentStatusCode;

   dd($att);

And works just fine.

But the other way around won't work and returns null

$data = EquipmentStatusCode::find(1);
$att = $data->plate;

dd($att);

Someone tells me what's going on?

Andy Noelker · Accepted Answer · 2015-10-23 17:25:25Z

1

The model with the BelongsTo relation should have the foreign key in its table. You have it the other way around. So just swap the relations.

Plate Model:

public function equipmentStatusCode()
{
   return $this->hasOne('App\Models\EquipmentStatusCode');
}

EquipmentStatusCode Model:

public function plate()
{
   return $this->belongsTo('App\Models\Plate');
}

answered Oct 23, 2015 at 17:25

Andy Noelker

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