// utils = { transaction, queryInterface, sequelize, Sequelize } function up (utils, finalCallback) { const q = utils.queryInterface const Sequelize = utils.Sequelize const data = { type: Sequelize.INTEGER, allowNull: true, defaultValue: null } q.addColumn('Videos', 'language', data, { transaction: utils.transaction }).asCallback(finalCallback) } function down (options, callback) { throw new Error('Not implemented.') } export { up, down }