// Migration 2: Remove columns from Users /** @type {import('sequelize-cli').Migration} */ module.exports = { async up(queryInterface, Sequelize) { await queryInterface.removeColumn('Users', 'height'); await queryInterface.removeColumn('Users', 'weight'); await queryInterface.removeColumn('Users', 'gender'); await queryInterface.removeColumn('Users', 'handedness'); }, async down(queryInterface, Sequelize) { await queryInterface.addColumn('Users', 'height', { type: Sequelize.FLOAT }); await queryInterface.addColumn('Users', 'weight', { type: Sequelize.FLOAT }); await queryInterface.addColumn('Users', 'gender', { type: Sequelize.ENUM('male', 'female', 'other') }); await queryInterface.addColumn('Users', 'handedness', { type: Sequelize.ENUM('left', 'right', 'both') }); } };