/Ruby/How to create migration with uniqueness inrails

How to create migration with uniqueness inrails

class AddEmailToUsers < ActiveRecord::Migration[5.0]
  def change
    add_column :users, :email, :string
    add_index :users, :email, unique: true
  end
end

Source: riptutorial.com

How to create migration with uniqueness inrails

rails generate migration AddEmailToUsers email:string:uniq

Source: riptutorial.com

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