From cc1fd0263a8cfed6ae7acb488956f6063dc62d63 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Fri, 28 Oct 2005 06:26:16 +0000
Subject: [PATCH] * MySQL 5.0 strict mode fix for moving unwatched pages It was
 doing an empty REPLACE, which apparently is unpopular.

---
 RELEASE-NOTES            | 1 +
 includes/WatchedItem.php | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 9ce790bd20..e132b2f48f 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -180,6 +180,7 @@ fully support the editing toolbar, but was found to be too confusing.
 * Fail gracefully on invalid namespace in Special:Newpages
 * (bug 3806) Gracefully fall back to client-side scaling on |thumb| image
   that passes $wgMaxImageArea
+* MySQL 5.0 strict mode fix for moving unwatched pages
 
 
 === Caveats ===
diff --git a/includes/WatchedItem.php b/includes/WatchedItem.php
index fbbc366b10..2b01a31bf9 100644
--- a/includes/WatchedItem.php
+++ b/includes/WatchedItem.php
@@ -160,6 +160,11 @@ class WatchedItem {
 			);
 		}
 		$dbw->freeResult( $res );
+		
+		if( empty( $values ) ) {
+			// Nothing to do
+			return true;
+		}
 
 		# Perform replace
 		# Note that multi-row replace is very efficient for MySQL but may be inefficient for
-- 
2.20.1