From: Brion Vibber <brion@users.mediawiki.org>
Date: Thu, 21 Jul 2005 12:53:29 +0000 (+0000)
Subject: * Specify USE INDEX on Allpages chunk queries, sometimes gets lost
X-Git-Tag: 1.5.0beta4~84
X-Git-Url: http://git.cyclocoop.org/?a=commitdiff_plain;h=9e993b6bd884e158c399d3b87383937abaaf8afc;p=lhc%2Fweb%2Fwiklou.git

* Specify USE INDEX on Allpages chunk queries, sometimes gets lost
  due to bogus optimization
---

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 5820eee6ea..93cbf8e5c3 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -584,7 +584,8 @@ of MediaWiki:Newpagetext) to &action=edit, if page is new.
   inverse checkbox, use friendlier relative offsets in index build
 * Bring back "Chick" skin for mobile devices. It needs testing.
 * Fix spelling of $wgForwardSearchUrl in DefaultSettings.php
-
+* Specify USE INDEX on Allpages chunk queries, sometimes gets lost
+  due to bogus optimization
 
 === Caveats ===
 
diff --git a/includes/SpecialAllpages.php b/includes/SpecialAllpages.php
index a7dae9db22..26e7434aba 100644
--- a/includes/SpecialAllpages.php
+++ b/includes/SpecialAllpages.php
@@ -228,8 +228,9 @@ function indexShowChunk( $namespace = NS_MAIN, $from, $including = false ) {
 		),
 		$fname,
 		array(
-			'ORDER BY' => 'page_title',
-			'LIMIT' => $indexMaxperpage + 1
+			'ORDER BY'  => 'page_title',
+			'LIMIT'     => $indexMaxperpage + 1,
+			'USE INDEX' => 'name_title',
 		)
 	);