tweaking upgrade script

src/upgrade.js

@@ -209,11 +209,13 @@ Upgrade.upgrade = function(callback) {
 			}
 		},
 		function(next) {
-			thisSchemaDate = new Date(2014, 0, 5, 14, 5).getTime();
+			thisSchemaDate = new Date(2014, 0, 5, 14, 6).getTime();
 			if (schemaDate < thisSchemaDate) {
 				updatesMade = true;
 
 				// Re-slugify all users
+				db.delete('userslug:uid', function(err) {
+					if (!err) {
 						db.getObjectValues('username:uid', function(err, uids) {
 							var	newUserSlug;
 
@@ -224,7 +226,14 @@ Upgrade.upgrade = function(callback) {
 									}
 									if(username) {
 										newUserSlug = Utils.slugify(username);
+										async.parallel([
+											function(next) {
 												User.setUserField(uid, 'userslug', newUserSlug, next);
+											},
+											function(next) {
+												db.setObjectField('userslug:uid', newUserSlug, uid, next);
+											}
+										], next);
 									} else {
 										winston.warn('uid '+ uid + ' doesn\'t have a valid username (' + username + '), skipping');
 										next(null);
@@ -235,6 +244,8 @@ Upgrade.upgrade = function(callback) {
 								next(err);
 							});
 						});
+					}
+				})
 			} else {
 				winston.info('[2014/1/5] Re-slugify usernames (again) skipped');
 				next();