如何通过雄辩的依恋存在对模型进行排序？我首先需要显示带有现有附件的模型

Question

我尝试过

$arElementIDList =  Product::withCount(['preview_image'])->
    active()
        ->orderBy('preview_image_count', 'desc')
        ->get();

但这不起作用

Answer 1

Product::whereNotNull('preview_image')->orderBy('preview_image_count', 'desc')->get();