in db/migrate/20150603155333_devise_create_users.rb [1:44]
def change
create_table(:users) do |t|
t.string :firstname
t.string :lastname
t.string :email, null: false, default: ""
t.string :encrypted_password, null: false, default: ""
t.string :reset_password_token
t.datetime :reset_password_sent_at
t.datetime :remember_created_at
t.integer :sign_in_count, default: 0, null: false
t.datetime :current_sign_in_at
t.datetime :last_sign_in_at
t.inet :current_sign_in_ip
t.inet :last_sign_in_ip
t.timestamps null: false
end
add_index :users, :email, unique: true
add_index :users, :reset_password_token, unique: true
end