Merge "Make DBAccessBase use DBConnRef, rename $wiki, and hide getLoadBalancer()"

[lhc/web/wiklou.git] / includes / cache / BacklinkCache.php

diff --git a/includes/cache/BacklinkCache.php b/includes/cache/BacklinkCache.php
index c2fb52a..2696302 100644 (file)
--- a/includes/cache/BacklinkCache.php
+++ b/includes/cache/BacklinkCache.php
@@ -135,7 +135,7 @@ class BacklinkCache {
                $this->partitionCache = [];
                $this->fullResultCache = [];
                $this->wanCache->touchCheckKey( $this->makeCheckKey() );
-               unset( $this->db );
+               $this->db = null;
        }
 
        /**
@@ -153,7 +153,7 @@ class BacklinkCache {
         * @return IDatabase
         */
        protected function getDB() {
-               if ( !isset( $this->db ) ) {
+               if ( $this->db === null ) {
                        $this->db = wfGetDB( DB_REPLICA );
                }