Add LinkBatch to ImagePage for user pages in the file history

Each user in the file history trigger an own query to get the state of
the user page, talk page and gender information. Use a LinkBatch to
combine all of these queries to two (one for pages, one for gender).

Change-Id: Ic1973c1ccfa17002b343d8c0d110a7c1d20b0460

diff --git a/includes/page/ImagePage.php b/includes/page/ImagePage.php
index cebc4c4..7ea4ed7 100644 (file)
--- a/includes/page/ImagePage.php
+++ b/includes/page/ImagePage.php
@@ -1515,6 +1515,18 @@ class ImageHistoryPseudoPager extends ReverseChronologicalPager {
                $s = '';
                $this->doQuery();
                if ( count( $this->mHist ) ) {
+                       if ( $this->mImg->isLocal() ) {
+                               // Do a batch existence check for user pages and talkpages
+                               $linkBatch = new LinkBatch();
+                               for ( $i = $this->mRange[0]; $i <= $this->mRange[1]; $i++ ) {
+                                       $file = $this->mHist[$i];
+                                       $user = $file->getUser( 'text' );
+                                       $linkBatch->add( NS_USER, $user );
+                                       $linkBatch->add( NS_USER_TALK, $user );
+                               }
+                               $linkBatch->execute();
+                       }
+
                        $list = new ImageHistoryList( $this->mImagePage );
                        # Generate prev/next links
                        $navLink = $this->getNavigationBar();