Merge "Add support for PHP7 random_bytes in favor of mcrypt_create_iv"

[lhc/web/wiklou.git] / includes / specials / pagers / MergeHistoryPager.php

diff --git a/includes/specials/pagers/MergeHistoryPager.php b/includes/specials/pagers/MergeHistoryPager.php
index 0b9587c..bbf97e1 100644 (file)
--- a/includes/specials/pagers/MergeHistoryPager.php
+++ b/includes/specials/pagers/MergeHistoryPager.php
@@ -36,7 +36,7 @@ class MergeHistoryPager extends ReverseChronologicalPager {
                $this->title = $source;
                $this->articleID = $source->getArticleID();
 
-               $dbr = wfGetDB( DB_SLAVE );
+               $dbr = wfGetDB( DB_REPLICA );
                $maxtimestamp = $dbr->selectField(
                        'revision',
                        'MIN(rev_timestamp)',
@@ -54,15 +54,17 @@ class MergeHistoryPager extends ReverseChronologicalPager {
                $batch = new LinkBatch();
                # Give some pointers to make (last) links
                $this->mForm->prevId = [];
+               $rev_id = null;
                foreach ( $this->mResult as $row ) {
                        $batch->addObj( Title::makeTitleSafe( NS_USER, $row->user_name ) );
                        $batch->addObj( Title::makeTitleSafe( NS_USER_TALK, $row->user_name ) );
 
-                       $rev_id = isset( $rev_id ) ? $rev_id : $row->rev_id;
-                       if ( $rev_id > $row->rev_id ) {
-                               $this->mForm->prevId[$rev_id] = $row->rev_id;
-                       } elseif ( $rev_id < $row->rev_id ) {
-                               $this->mForm->prevId[$row->rev_id] = $rev_id;
+                       if ( isset( $rev_id ) ) {
+                               if ( $rev_id > $row->rev_id ) {
+                                       $this->mForm->prevId[$rev_id] = $row->rev_id;
+                               } elseif ( $rev_id < $row->rev_id ) {
+                                       $this->mForm->prevId[$row->rev_id] = $rev_id;
+                               }
                        }
 
                        $rev_id = $row->rev_id;