１.特定のidを持つ投稿を指定
where(location_id: 1)
2.最新のデータを持つ投稿を指定
order(updated_at: :desc).limit(1)
3.つなぎ合わせる(特定のIDかつ最新)
@posts = Post.where(location_id: 1).order(updated_at: :desc).limit(1)
完了
More than 3 years have passed since last update.
Register as a new user and use Qiita more conveniently
- You get articles that match your needs
- You can efficiently read back useful information
- You can use dark theme