From 03079a5a51adb2020fadd9fc2d7bf54049f82f43 Mon Sep 17 00:00:00 2001 From: alecpl <alec@alec.pl> Date: Mon, 03 Oct 2011 13:52:35 -0400 Subject: [PATCH] - Fix: skip redundant cache queries when an entry doesn't exist --- program/include/rcube_cache.php | 41 ++++++++++++++++++++++++----------------- 1 files changed, 24 insertions(+), 17 deletions(-) diff --git a/program/include/rcube_cache.php b/program/include/rcube_cache.php index ee94391..69f5b31 100644 --- a/program/include/rcube_cache.php +++ b/program/include/rcube_cache.php @@ -245,26 +245,30 @@ return null; } - if ($this->type == 'memcache') { - $data = $this->db->get($this->ckey($key)); - } - else if ($this->type == 'apc') { - $data = apc_fetch($this->ckey($key)); - } - - if ($data) { - $md5sum = md5($data); - $data = $this->packed ? unserialize($data) : $data; - - if ($nostore) { - return $data; + if ($this->type != 'db') { + if ($this->type == 'memcache') { + $data = $this->db->get($this->ckey($key)); } + else if ($this->type == 'apc') { + $data = apc_fetch($this->ckey($key)); + } - $this->cache_sums[$key] = $md5sum; - $this->cache[$key] = $data; + if ($data) { + $md5sum = md5($data); + $data = $this->packed ? unserialize($data) : $data; + + if ($nostore) { + return $data; + } + + $this->cache_sums[$key] = $md5sum; + $this->cache[$key] = $data; + } + else if (!$nostore) { + $this->cache[$key] = null; + } } - - if ($this->type == 'db') { + else { $sql_result = $this->db->limitquery( "SELECT cache_id, data, cache_key". " FROM ".get_table_name('cache'). @@ -290,6 +294,9 @@ $this->cache_sums[$key] = $md5sum; $this->cache_keys[$key] = $sql_arr['cache_id']; } + else if (!$nostore) { + $this->cache[$key] = null; + } } return $this->cache[$key]; -- Gitblit v1.9.1