'use strict'; module.exports = { up: async (queryInterface, Sequelize) => { await queryInterface.addColumn('events', 'institution_id', { type: Sequelize.INTEGER, references: { model: 'institutions', key: 'id' }, onUpdate: 'CASCADE', onDelete: 'SET NULL', allowNull: true }); }, down: async (queryInterface, Sequelize) => { await queryInterface.removeColumn('events', 'institution_id'); } };