dimanche 2 mai 2021

How to order by column Accessor from eloquent laravel [duplicate]

hello everyone I have a problem here, can I sort the data based on the results of an Accessor, is it possible? or I do I have to move the data to the column database? this is my code in model

protected $appends = ['percentage'];
public function getPercentageAttribute()
{
    $book = $this->books->halaman;
    $read = $this->pageread;
    $total = $read/$book*100;
    return ceil($total);
}

I try with this code

 $data = Read::with(['books.pengarang'])
                    ->orderBy('percentage')
                    ->get();

but I get error

Column not found: 1054 Unknown column percentage


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