From 15d1e1ec7e232c491663217100750fba997ccafe Mon Sep 17 00:00:00 2001
From: Domas Mituzas <midom@users.mediawiki.org>
Date: Fri, 12 Jan 2007 12:50:37 +0000
Subject: [PATCH] Wipe out memcached code from WatchedItem: does not make sense
 to cache (user,page), when hitrate is just 50% (and we lived without this
 cache forever)

---
 includes/WatchedItem.php | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/includes/WatchedItem.php b/includes/WatchedItem.php
index dac6e17439..f21b1b814b 100644
--- a/includes/WatchedItem.php
+++ b/includes/WatchedItem.php
@@ -31,31 +31,18 @@ class WatchedItem {
 		return $wl;
 	}
 
-	/**
-	 * Returns the memcached key for this item
-	 */
-	function watchKey() {
-		return wfMemcKey( 'watchlist', 'user', $this->id, 'page', $this->ns, $this->ti );
-	}
-
 	/**
 	 * Is mTitle being watched by mUser?
 	 */
 	function isWatched() {
 		# Pages and their talk pages are considered equivalent for watching;
 		# remember that talk namespaces are numbered as page namespace+1.
-		global $wgMemc;
 		$fname = 'WatchedItem::isWatched';
 
-		$key = $this->watchKey();
-		$iswatched = $wgMemc->get( $key );
-		if( $iswatched != '' ) return (int)$iswatched;
-
 		$dbr =& wfGetDB( DB_SLAVE );
 		$res = $dbr->select( 'watchlist', 1, array( 'wl_user' => $this->id, 'wl_namespace' => $this->ns,
 			'wl_title' => $this->ti ), $fname );
 		$iswatched = ($dbr->numRows( $res ) > 0) ? 1 : 0;
-		$wgMemc->set( $key, $iswatched );
 		return $iswatched;
 	}
 
@@ -87,14 +74,11 @@ class WatchedItem {
 			'wl_notificationtimestamp' => NULL
 		  ), $fname, 'IGNORE' );
 
-		global $wgMemc;
-		$wgMemc->set( $this->watchkey(), 1 );
 		wfProfileOut( $fname );
 		return true;
 	}
 
 	function removeWatch() {
-		global $wgMemc;
 		$fname = 'WatchedItem::removeWatch';
 
 		$success = false;
@@ -125,9 +109,6 @@ class WatchedItem {
 		if ( $dbw->affectedRows() ) {
 			$success = true;
 		}
-		if ( $success ) {
-			$wgMemc->set( $this->watchkey(), 0 );
-		}
 		return $success;
 	}
 
-- 
2.20.1