import * as Sequelize from 'sequelize' async function up (utils: { transaction: Sequelize.Transaction queryInterface: Sequelize.QueryInterface sequelize: Sequelize.Sequelize }): Promise { { const data = { type: Sequelize.STRING(300), allowNull: true, defaultValue: null } await utils.queryInterface.addColumn('videoBlacklist', 'reason', data) } } function down (options) { throw new Error('Not implemented.') } export { up, down }