module.exports = { up: (queryInterface, Sequelize) => { return queryInterface.sequelize.transaction((t) => { return Promise.all([ queryInterface.changeColumn('backend_x_client', 'externalId', { allowNull: false, type: Sequelize.STRING(128) }), queryInterface.changeColumn('backend_x_group', 'externalId', { allowNull: false, type: Sequelize.STRING(128) }) ]) }) }, down: (queryInterface, Sequelize) => { return queryInterface.sequelize.transaction((t) => { return Promise.all([ queryInterface.changeColumn('backend_x_client', 'externalId', { allowNull: false, type: Sequelize.INTEGER }), queryInterface.changeColumn('backend_x_group', 'externalId', { allowNull: false, type: Sequelize.INTEGER }) ]) }) } }