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@hiromiya0628in株式会社3DI

[Rails]テーブルから無作為で1つレコードが欲しい時 .sample使えた。

Posted at

#課題と結論
テーブルから無作為にレコードが欲しいと思ったら普通に .sample使えました。

irb(main):005:0> User.all.sample(1)
=> [#<User id: 5, name: 'aho'>]

地味に知らなかった基礎。

#参考情報
ActiveRecord::Relationとは一体なんなのか
https://doruby.jp/users/whale/entries/ActiveRecord--Relation%E3%81%A8%E3%81%AF%E4%B8%80%E4%BD%93%E3%81%AA%E3%82%93%E3%81%AA%E3%81%AE%E3%81%8B

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