Use $db->conditional() instead of non-standard IF(). Fixes bug 13430.

diff --git a/includes/Category.php b/includes/Category.php
index 98c65a1..e924b5e 100644 (file)
--- a/includes/Category.php
+++ b/includes/Category.php
@@ -273,11 +273,13 @@ class Category extends CategoryListBase {
                        );
                }
 
+               $cond1 = $dbw->conditional( 'page_namespace='.NS_CATEGORY, 1, 'NULL' );
+               $cond2 = $dbw->conditional( 'page_namespace='.NS_IMAGE, 1, 'NULL' );
                $result = $dbw->selectRow(
                        array( 'categorylinks', 'page' ),
                        array( 'COUNT(*) AS pages',
-                               'COUNT(IF(page_namespace='.NS_CATEGORY.',1,NULL)) AS subcats',
-                               'COUNT(IF(page_namespace='.NS_IMAGE.',1,NULL)) AS files'
+                                  "COUNT($cond1) AS subcats",
+                                  "COUNT($cond2) AS files"
                        ),
                        array( 'cl_to' => $this->mNames[0], 'page_id = cl_from' ),
                        __METHOD__,