From 00cb22cf92d267fe602ad37336fba4454c6aa896 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sat, 25 May 2013 09:46:20 -0400
Subject: [PATCH] Expunge all cache instances in shutdown

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

diff --git a/program/lib/Roundcube/rcube_cache_shared.php b/program/lib/Roundcube/rcube_cache_shared.php
index bef9e85..c43d2ca 100644
--- a/program/lib/Roundcube/rcube_cache_shared.php
+++ b/program/lib/Roundcube/rcube_cache_shared.php
@@ -191,7 +191,7 @@
      */
     function expunge()
     {
-        if ($this->type == 'db' && $this->db) {
+        if ($this->type == 'db' && $this->db && $this->ttl) {
             $this->db->query(
                 "DELETE FROM " . $this->table
                 . " WHERE cache_key LIKE ?"

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