From 84fb84693994ba05a642d105a57227df7b412466 Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@controlyourself.ca>
Date: Tue, 21 Jul 2009 11:31:34 -0700
Subject: [PATCH] correctly gc sessions

---
 classes/Session.php | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/classes/Session.php b/classes/Session.php
index 93fd99baa8..ac80279c5e 100644
--- a/classes/Session.php
+++ b/classes/Session.php
@@ -106,14 +106,11 @@ class Session extends Memcached_DataObject
     {
         self::logdeb("garbage collection (maxlifetime = $maxlifetime)");
 
-        $epoch = time() - $maxlifetime;
-
-        $qry = 'DELETE FROM session ' .
-          'WHERE modified < "'.$epoch.'"';
+        $epoch = common_sql_date(time() - $maxlifetime);
 
         $session = new Session();
-
-        $result = $session->query($qry);
+        $session->whereAdd('modified < "'.$epoch.'"');
+        $result = $session->delete(DB_DATAOBJECT_WHEREADD_ONLY);
 
         self::logdeb("garbage collection result = $result");
     }