Relation 'getCampus' is not instance of HasOne or BelongsTo.

[kiyu92]

I have defined the relationship in the model:

use Kyslik\ColumnSortable\Sortable;
use EloquentFilter\Filterable;

class Building extends Model
{
    use HasFactory;
    use Sortable;
    use Filterable;
    public $sortable = ['id', 'code', 'description', 'created_at' , 'updated_at'];

    public static function getTableName()
    {
        return (new self())->getTable();
    }

    //$product->getCampus
    public function getCampus(){
        return $this->belongsTo(Campus::class, 'campus', 'id' );
    }

}

And when y sort by getCampus.id

Kyslik\ColumnSortable\Exceptions\ColumnSortableException
Relation 'getCampus' is not instance of HasOne or BelongsTo.
http://localhost/smart_clean_urv/public/buildings?direction=desc&sort=getCampus.id

If i not define the keys in belongsTo relationship:

use Kyslik\ColumnSortable\Sortable;
use EloquentFilter\Filterable;

class Building extends Model
{
    use HasFactory;
    use Sortable;
    use Filterable;
    public $sortable = ['id', 'code', 'description', 'created_at' , 'updated_at'];

    public static function getTableName()
    {
        return (new self())->getTable();
    }

    //$product->getCampus
    public function getCampus(){
        return $this->belongsTo(Campus::class);
    }

}

I have and a MYSQL error becouse my key is not campus_id , is only campus:

Illuminate\Database\QueryException
SQLSTATE[42S22]: Column not found: 1054 Unknown column 'buildings.get_campus_id' in 'on clause' (SQL: select count(*) as aggregate from `buildings` left join `campuses` on `buildings`.`get_campus_id` = `campuses`.`id`)
http://localhost/smart_clean_urv/public/buildings?direction=desc&sort=getCampus.id

My Laravel version is 8.25.0

Thanks and sorry for my English!

[Kyslik]

How does @sortablelink in view look like - https://github.com/Kyslik/column-sortable#blade-and-relation-sorting.

[mikeda37]

@kiyu92 Have you already solved this?