'use strict'; exports.up = function(db, callback) { db.runSql( ` CREATE TABLE client_instances ( app_name varchar(255), instance_id varchar(255), client_ip varchar(255), last_seen timestamp default now(), created_at timestamp default now() );`, callback, ); }; exports.down = function(db, callback) { db.runSql('DROP TABLE client_instances;', callback); };