db/migrate/20150513110545_add_account_domain_unique_indexes.rb
class AddAccountDomainUniqueIndexes < ActiveRecord::Migration
def up
remove_index :accounts, :domain
remove_index :accounts, :self_domain
add_index :accounts, :domain, unique: true
add_index :accounts, :self_domain, unique: true
end
def down
remove_index :accounts, :domain
remove_index :accounts, :domain
add_index :accounts, :domain
add_index :accounts, :self_domain
end
end