From: Brion Vibber <brion@users.mediawiki.org>
Date: Tue, 20 Sep 2005 01:02:51 +0000 (+0000)
Subject: * (bug 3506) Avoid MySQL error when Listusers returns no results
X-Git-Tag: 1.6.0~1599
X-Git-Url: https://git.cyclocoop.org/%7B%24www_url%7Dadmin/compta/banques/ajouter.php?a=commitdiff_plain;h=ee967e899dfe9d548c6eb1209469143cefda7244;p=lhc%2Fweb%2Fwiklou.git

* (bug 3506) Avoid MySQL error when Listusers returns no results
Bug introduced in SpecialListusers.php rev 1.36:
http://cvs.sourceforge.net/viewcvs.py/wikipedia/phase3/includes/SpecialListusers.php?r1=1.35&r2=1.36
---

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index a8664b1b2a..72bc19d27b 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -117,6 +117,7 @@ fully support the editing toolbar, but was found to be too confusing.
 * (bug 2570) Add 'watch this page' checkbox on uploads, watch uploads
   by default when 'watchdefault' option is on
 * Skip update of disused 'rc_cur_time' field (todo: discard the field)
+* (bug 3506) Avoid MySQL error when Listusers returns no results
 
 
 === Caveats ===
diff --git a/includes/SpecialListusers.php b/includes/SpecialListusers.php
index dabe6fb1b6..fc664e05a4 100644
--- a/includes/SpecialListusers.php
+++ b/includes/SpecialListusers.php
@@ -66,7 +66,10 @@ class ListUsersPage extends QueryPage {
 		$batch->execute( $wgLinkCache );
 
 		// Back to start for display
-		$db->dataSeek( $res, 0 );
+		if( $db->numRows( $res ) > 0 ) {
+			// If there are no rows we get an error seeking.
+			$db->dataSeek( $res, 0 );
+		}
 	}
 
 	/**