From 706cb9fa8904aa9ebbd45e6e02605777eb3d15ee Mon Sep 17 00:00:00 2001
From: Platonides <platonides@users.mediawiki.org>
Date: Fri, 17 Jun 2011 14:54:41 +0000
Subject: [PATCH] Empower our Database object so that it is possible to perform
 NOT NULL queries (SELECT abc WHERE xyz IS NOT NULL)

---
 includes/db/Database.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/includes/db/Database.php b/includes/db/Database.php
index b26970eb0d..89b6dca3a0 100644
--- a/includes/db/Database.php
+++ b/includes/db/Database.php
@@ -1489,6 +1489,9 @@ abstract class DatabaseBase implements DatabaseType {
 			} elseif ( $value === null ) {
 				if ( $mode == LIST_AND || $mode == LIST_OR ) {
 					$list .= "$field IS ";
+					if ( $not ) {
+						$list .= "NOT ";
+					}
 				} elseif ( $mode == LIST_SET ) {
 					$list .= "$field = ";
 				}
-- 
2.20.1