From: Alexandre Emsenhuber <ialex@users.mediawiki.org>
Date: Sun, 15 Jan 2012 22:00:04 +0000 (+0000)
Subject: Use the context's WikiPage object if the title of the new revision is the same as... 
X-Git-Tag: 1.31.0-rc.0~25253
X-Git-Url: https://git.cyclocoop.org/admin/?a=commitdiff_plain;h=4ef1cc76ecc2887323d34bc6b717bd04c6670f1f;p=lhc%2Fweb%2Fwiklou.git

Use the context's WikiPage object if the title of the new revision is the same as context's title; avoids a duplicated database query to load the WikiPage
---

diff --git a/includes/diff/DifferenceEngine.php b/includes/diff/DifferenceEngine.php
index f645d3b538..439e3204ec 100644
--- a/includes/diff/DifferenceEngine.php
+++ b/includes/diff/DifferenceEngine.php
@@ -502,7 +502,15 @@ class DifferenceEngine extends ContextSource {
 				// Handled by extension
 			} else {
 				// Normal page
-				$wikiPage = WikiPage::factory( $this->mNewPage );
+				if ( $this->getTitle()->equals( $this->mNewPage ) ) {
+					// If the Title stored in the context is the same as the one
+					// of the new revision, we can use its associated WikiPage
+					// object.
+					$wikiPage = $this->getWikiPage();
+				} else {
+					// Otherwise we need to create our own WikiPage object
+					$wikiPage = WikiPage::factory( $this->mNewPage );
+				}
 
 				$parserOptions = ParserOptions::newFromContext( $this->getContext() );
 				$parserOptions->enableLimitReport();