Rails - ActiveRecordでカラム毎にcharsetとcollationを指定する - Qiita [キータ]MySQLではカラム毎にcharsetとcollationを指定できるので、こういうMigrationファイルがあったときに class CreateUsers < ActiveRecord::Migration def change create_table :users do |t| t.string :email, charset: 'ascii', collation: 'ascii_bin', null: false t.string :password_digest, charset: 'ascii', collation: 'ascii_bin' t.timestamps end add_index :users, :email, name: "idx_email", unique: true end end CREATE TABLE `users` ( `id` int(1
![Rails - ActiveRecordでカラム毎にcharsetとcollationを指定する - Qiita [キータ]](https://cdn-ak-scissors.b.st-hatena.com/image/square/a6db86a589d66354aeb5151a5bf9923335b0d069/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTk3MiZoPTM3OCZ0eHQ9QWN0aXZlUmVjb3JkJUUzJTgxJUE3JUUzJTgyJUFCJUUzJTgzJUE5JUUzJTgzJUEwJUU2JUFGJThFJUUzJTgxJUFCY2hhcnNldCVFMyU4MSVBOGNvbGxhdGlvbiVFMyU4MiU5MiVFNiU4QyU4NyVFNSVBRSU5QSVFMyU4MSU5OSVFMyU4MiU4QiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTU2JnM9YjdmNDcwYmVjN2FlZTg5ZWI3NDk4MDdhYTcwNTBhMmU%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBrYW1pcG8mdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT0zNiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPTQzOWU1N2I4MjBiNDZjYThiMGMzODhmZmQ0OTcwMzlm%26blend-x%3D142%26blend-y%3D486%26blend-mode%3Dnormal%26s%3D13ddfb5e722aa5b59aee79caed40f1ae)
