From: Gergő Tisza <tgr.huwiki@gmail.com>
Date: Fri, 26 Jul 2019 14:47:09 +0000 (+0200)
Subject: Add QueryPage::delete method
X-Git-Tag: 1.34.0-rc.0~830^2
X-Git-Url: http://git.cyclocoop.org/?a=commitdiff_plain;h=767fdb56cf0d660c63a2ddaf072eb00943165dfb;p=lhc%2Fweb%2Fwiklou.git

Add QueryPage::delete method

Add a method for delete the cached result for a page. This is
useful for backlog-type query pages which provide some interface
for fixing the problem in-place.

Change-Id: I36b750d71b6551bb5c662e82c24f029db01acd3b
---

diff --git a/includes/specialpage/QueryPage.php b/includes/specialpage/QueryPage.php
index eb179bf310..1977af0821 100644
--- a/includes/specialpage/QueryPage.php
+++ b/includes/specialpage/QueryPage.php
@@ -21,6 +21,7 @@
  * @ingroup SpecialPage
  */
 
+use MediaWiki\Linker\LinkTarget;
 use MediaWiki\MediaWikiServices;
 use Wikimedia\Rdbms\IResultWrapper;
 use Wikimedia\Rdbms\IDatabase;
@@ -375,6 +376,23 @@ abstract class QueryPage extends SpecialPage {
 		return wfGetDB( DB_REPLICA, [ $this->getName(), 'QueryPage::recache', 'vslow' ] );
 	}
 
+	/**
+	 * Remove a cached result.
+	 * Useful for interactive backlogs where the user can fix problems in-place.
+	 * @param LinkTarget $title The page to remove.
+	 * @since 1.34
+	 */
+	public function delete( LinkTarget $title ) {
+		if ( $this->isCached() ) {
+			$dbw = wfGetDB( DB_MASTER );
+			$dbw->delete( 'querycache', [
+				'qc_type' => $this->getName(),
+				'qc_namespace' => $title->getNamespace(),
+				'qc_title' => $title->getDBkey(),
+			], __METHOD__ );
+		}
+	}
+
 	/**
 	 * Run the query and return the result
 	 * @param int|bool $limit Numerical limit or false for no limit