require Rails.root.join('lib', 'mastodon', 'migration_helpers') class AddLockVersionToAccountStats < ActiveRecord::Migration[5.2] include Mastodon::MigrationHelpers disable_ddl_transaction! def up safety_assured { add_column_with_default :account_stats, :lock_version, :integer, allow_null: false, default: 0 } end def down remove_column :account_stats, :lock_version end end