registration: FileExtensions should be an array, not an object

[lhc/web/wiklou.git] / includes / PrefixSearch.php

diff --git a/includes/PrefixSearch.php b/includes/PrefixSearch.php
index 98bc885..f6c4147 100644 (file)
--- a/includes/PrefixSearch.php
+++ b/includes/PrefixSearch.php
@@ -182,12 +182,20 @@ abstract class PrefixSearch {
                ) ) {
                        return $this->titles( $this->defaultSearchBackend( $namespaces, $search, $limit, $offset ) );
                }
-               return $this->strings( $this->handleResultFromHook( $srchres, $namespaces, $search, $limit ) );
+               return $this->strings(
+                       $this->handleResultFromHook( $srchres, $namespaces, $search, $limit, $offset ) );
        }
 
-       private function handleResultFromHook( $srchres, $namespaces, $search, $limit ) {
-               $rescorer = new SearchExactMatchRescorer();
-               return $rescorer->rescore( $search, $namespaces, $srchres, $limit );
+       private function handleResultFromHook( $srchres, $namespaces, $search, $limit, $offset ) {
+               if ( $offset === 0 ) {
+                       // Only perform exact db match if offset === 0
+                       // This is still far from perfect but at least we avoid returning the
+                       // same title afain and again when the user is scrolling with a query
+                       // that matches a title in the db.
+                       $rescorer = new SearchExactMatchRescorer();
+                       $srchres = $rescorer->rescore( $search, $namespaces, $srchres, $limit );
+               }
+               return $srchres;
        }
 
        /**