'use strict'; exports.up = function(db, callback) { db.runSql('ALTER TABLE apps ADD CONSTRAINT inbox_domain_constraint FOREIGN KEY(inboxDomain) REFERENCES domains(domain)', function (error) { if (error) console.error(error); callback(error); }); }; exports.down = function(db, callback) { db.runSql('ALTER TABLE apps DROP FOREIGN KEY inbox_domain_constraint', function (error) { if (error) console.error(error); callback(error); }); };