dbm = dbm || require('db-migrate'); exports.up = function(db, callback) { db.runSql('ALTER TABLE apps ADD COLUMN memoryLimit BIGINT DEFAULT 0', function (error) { if (error) console.error(error); callback(error); }); }; exports.down = function(db, callback) { db.runSql('ALTER TABLE apps DROP COLUMN memoryLimit', function (error) { if (error) console.error(error); callback(error); }); };