yii2 ActiveRecord通过计算查找订单 [英] yii2 ActiveRecord Find OrderBy with calculation

问题描述

尝试从我的数据库中获取描述. 该查询返回结果，但我想对结果进行排序，以仅显示投票率最高的结果.

Trying to fetch a description from my database. The query returns the result but I would like to order the result to only show the one with the highest vote.

投票应通过upvoted列减去downvoted列

$description = UnitDescription::find()
   ->where(['id_unit' => $model->id])
   ->orderBy([
      'upvoted - downvoted' => SORT_DESC //Need this line to be fixed
   ])
   ->one();

我希望有人可以写出查询的这一部分-谢谢

I was hoping someone might have a way to write this part of the query - Thanks

推荐答案

您应该尝试:

$description = UnitDescription::find()
    ->where(['id_unit' => $model->id])
    ->orderBy(['(upvoted - downvoted)' => SORT_DESC])
    ->one();

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