'use strict' module.exports = { up: function (queryInterface, Sequelize) { return queryInterface.addColumn('Notes', 'alias', { type: Sequelize.STRING }).then(function () { return queryInterface.addIndex('Notes', ['alias'], { indicesType: 'UNIQUE' }) }).catch(function (error) { if (error.message.toLowerCase().includes('duplicate column name') || error.message === 'column "alias" of relation "Notes" already exists') { // eslint-disable-next-line no-console console.log('Migration has already run… ignoring.') } else { throw error } }) }, down: function (queryInterface, Sequelize) { return queryInterface.removeColumn('Notes', 'alias').then(function () { return queryInterface.removeIndex('Notes', ['alias']) }) } }