app.portBindings and newManifest.tcpPorts may be null

migrations/20150615075901-users-add-unique-constraints.js

@@ -0,0 +1,24 @@
+dbm = dbm || require('db-migrate');
+var type = dbm.dataType;
+var async = require('async');
+
+exports.up = function(db, callback) {
+
+    // http://stackoverflow.com/questions/386294/what-is-the-maximum-length-of-a-valid-email-address
+
+    async.series([
+        db.runSql.bind(db, 'ALTER TABLE users MODIFY username VARCHAR(254)'),
+        db.runSql.bind(db, 'ALTER TABLE users ADD CONSTRAINT users_username UNIQUE (username)'),
+        db.runSql.bind(db, 'ALTER TABLE users MODIFY email VARCHAR(254)'),
+        db.runSql.bind(db, 'ALTER TABLE users ADD CONSTRAINT users_email UNIQUE (email)'),
+    ], callback);
+};
+
+exports.down = function(db, callback) {
+    async.series([
+        db.runSql.bind(db, 'ALTER TABLE users DROP INDEX users_username'),
+        db.runSql.bind(db, 'ALTER TABLE users MODIFY username VARCHAR(512)'),
+        db.runSql.bind(db, 'ALTER TABLE users DROP INDEX users_email'),
+        db.runSql.bind(db, 'ALTER TABLE users MODIFY email VARCHAR(512)'),
+    ], callback);
+};