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【Rails】SQLでor検索

Posted at

A OR Bの結果が出力される。

User.where(name: 'コナン')
    .or(User.where(email: 'ran@gmail.com'))
#=> SELECT `users`.* FROM `users` WHERE (`users`.`name` = 'コナン' OR `users`.`email` = 'ran@gmail.com')

orメソッドがまだなかったときはこんな書き方をよく見かけたらしい。

User.where("name = ? OR email = ?", 'コナン', 'ran@gmail.com')
#=> SELECT `users`.* FROM `users` WHERE (name = 'コナン' OR email = 'ran@gmail.com')
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