var Promise = require('bluebird'), commands = require('../../schema').commands, table = 'clients', columns = ['redirection_uri', 'logo', 'status', 'type', 'description']; module.exports = function addManyColumnsToClients(options, logger) { var transaction = options.transacting; return transaction.schema.hasTable(table) .then(function (exists) { if (!exists) { return Promise.reject(new Error('Table does not exist!')); } return Promise.mapSeries(columns, function (column) { var message = 'Adding column: ' + table + '.' + column; return transaction.schema.hasColumn(table, column) .then(function (exists) { if (!exists) { logger.info(message); return commands.addColumn(table, column, transaction); } else { logger.warn(message); } }); }); }); };