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僕はバリデーションをかけたい!!

Posted at

データベースに制限をかけたい
つまり管理役であるモデルに指示をする

validates :カラム名, 設定したいルール: true

「このカラム名にこのルールを設定したいんだけど?」
という意味。

app/models/tweet.rb

class Tweet < ApplicationRecord
  validates :text, presence: true
end
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