From 5410eff830da535d63df9b3dee113f7521803a5c Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Mon, 11 Mar 2013 05:27:48 -0400
Subject: [PATCH] Fix handling of empty $uids argument in change_flag()

---
 program/lib/Roundcube/rcube_imap_cache.php |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/program/lib/Roundcube/rcube_imap_cache.php b/program/lib/Roundcube/rcube_imap_cache.php
index f33ac07..748474a 100644
--- a/program/lib/Roundcube/rcube_imap_cache.php
+++ b/program/lib/Roundcube/rcube_imap_cache.php
@@ -485,7 +485,7 @@
             .", flags = flags ".($enabled ? "+ $idx" : "- $idx")
             ." WHERE user_id = ?"
                 ." AND mailbox = ?"
-                .($uids !== null ? " AND uid IN (".$this->db->array2list($uids, 'integer').")" : "")
+                .(!empty($uids) ? " AND uid IN (".$this->db->array2list($uids, 'integer').")" : "")
                 ." AND (flags & $idx) ".($enabled ? "= 0" : "= $idx"),
             $this->userid, $mailbox);
     }

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