var db = require('./db') exports.up = function (next) { var sql = [ 'alter table devices add column user_config_id int', 'alter table user_config add column created timestamptz NOT NULL default now()', `ALTER TABLE devices ADD CONSTRAINT user_config_id FOREIGN KEY (user_config_id) REFERENCES user_config (id)` ] db.multi(sql, next) } exports.down = function (next) { next() }