Handle missing parser cache keys better in pool counter

Change-Id: I493fd1ee5e9ab6c3a49a7f478460cbfe54393ca0

diff --git a/includes/poolcounter/PoolWorkArticleView.php b/includes/poolcounter/PoolWorkArticleView.php
index 5e7e391..da20f94 100644 (file)
--- a/includes/poolcounter/PoolWorkArticleView.php
+++ b/includes/poolcounter/PoolWorkArticleView.php
@@ -67,7 +67,8 @@ class PoolWorkArticleView extends PoolCounterWork {
                $this->parserOptions = $parserOptions;
                $this->content = $content;
                $this->cacheKey = ParserCache::singleton()->getKey( $page, $parserOptions );
-               parent::__construct( 'ArticleView', $this->cacheKey . ':revid:' . $revid );
+               $keyPrefix = $this->cacheKey ?: wfMemcKey( 'articleview', 'missingcachekey' );
+               parent::__construct( 'ArticleView', $keyPrefix . ':revid:' . $revid );
        }
 
        /**