Do not insert page titles into querycache.qc_value

[lhc/web/wiklou.git] / includes / title / TitleValue.php

diff --git a/includes/title/TitleValue.php b/includes/title/TitleValue.php
index b657f13..7abe21b 100644 (file)
--- a/includes/title/TitleValue.php
+++ b/includes/title/TitleValue.php
@@ -102,8 +102,12 @@ class TitleValue implements LinkTarget {
                // Sanity check, no full validation or normalization applied here!
                Assert::parameter( !preg_match( '/^[_ ]|[\r\n\t]|[_ ]$/', $title ), '$title',
                        "invalid name '$title'" );
-               Assert::parameter( $title !== '' || ( $fragment !== '' && $namespace === NS_MAIN ),
-                       '$title', 'should not be empty unless namespace is main and fragment is non-empty' );
+               Assert::parameter(
+                       $title !== '' ||
+                               ( $namespace === NS_MAIN && ( $fragment !== '' || $interwiki !== '' ) ),
+                       '$title',
+                       'should not be empty unless namespace is main and fragment or interwiki is non-empty'
+               );
 
                $this->namespace = $namespace;
                $this->dbkey = strtr( $title, ' ', '_' );