From 0aa6486cbff1e0de05a91cb88158588595f4a872 Mon Sep 17 00:00:00 2001
From: victorbarbu <victorbarbu08@gmail.com>
Date: Mon, 11 Jan 2016 23:52:21 +0200
Subject: [PATCH] Use ar_page_id on undeletion

Bug: T28123
Change-Id: I882b8ba09d68e7475e1d0934328730059574e292
---
 includes/page/WikiPage.php            | 10 +++++++---
 includes/specials/SpecialUndelete.php |  2 +-
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/includes/page/WikiPage.php b/includes/page/WikiPage.php
index 00ac127ea0..e3e6e15d41 100644
--- a/includes/page/WikiPage.php
+++ b/includes/page/WikiPage.php
@@ -1158,6 +1158,7 @@ class WikiPage implements Page, IDBAccessObject {
 
 		return true;
 	}
+
 	/**
 	 * Insert a new empty page record for this article.
 	 * This *must* be followed up by creating a revision
@@ -1166,13 +1167,16 @@ class WikiPage implements Page, IDBAccessObject {
 	 * Best if all done inside a transaction.
 	 *
 	 * @param IDatabase $dbw
-	 * @return int|bool The newly created page_id key; false if the title already existed
+	 * @param int|null $pageId Custom page ID that will be used for the insert statement
+	 *
+	 * @return bool|int The newly created page_id key; false if the title already existed
 	 */
-	public function insertOn( $dbw ) {
+	public function insertOn( $dbw, $pageId = null ) {
+		$pageId = $pageId ?: $dbw->nextSequenceValue( 'page_page_id_seq' );
 		$dbw->insert(
 			'page',
 			array(
-				'page_id'           => $dbw->nextSequenceValue( 'page_page_id_seq' ),
+				'page_id'           => $pageId,
 				'page_namespace'    => $this->mTitle->getNamespace(),
 				'page_title'        => $this->mTitle->getDBkey(),
 				'page_restrictions' => '',
diff --git a/includes/specials/SpecialUndelete.php b/includes/specials/SpecialUndelete.php
index aada064feb..b36860ff1d 100644
--- a/includes/specials/SpecialUndelete.php
+++ b/includes/specials/SpecialUndelete.php
@@ -568,7 +568,7 @@ class PageArchive {
 				return Status::newFatal( "undeleterevdel" );
 			}
 			// Safe to insert now...
-			$newid = $article->insertOn( $dbw );
+			$newid = $article->insertOn( $dbw, $row->ar_page_id );
 			$pageId = $newid;
 		} else {
 			// Check if a deleted revision will become the current revision...
-- 
2.20.1