From e803366a57cd7e3784609f4f6c1ec23a0408d3e2 Mon Sep 17 00:00:00 2001
From: plegall <plg@piwigo.org>
Date: Sun, 2 May 2010 22:06:39 +0000
Subject: [PATCH] bug 1638 fixed: the "admin>tools>maintenance>unlinked
 elements" features now works if you have only virtual categories, this is
 what happens if you don't use synchronization to add photos (if you use
 pLoader or UploadForm for example).

git-svn-id: http://piwigo.org/svn/trunk@6048 68402e56-0260-453c-a942-63ccdbb3a9ee
---
 admin/element_set.php | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/admin/element_set.php b/admin/element_set.php
index 15c5d0f25..c19272084 100644
--- a/admin/element_set.php
+++ b/admin/element_set.php
@@ -138,30 +138,31 @@ else if ('not_linked' == $_GET['cat'])
   $template->assign(array('U_ACTIVE_MENU' => 5 ));
 
   // we are searching elements not linked to any virtual category
+  $query = '
+SELECT id
+  FROM '.IMAGES_TABLE.'
+;';
+  $all_elements = array_from_query($query, 'id');
+
+  $linked_to_virtual = array();
+
   $query = '
 SELECT id
   FROM '.CATEGORIES_TABLE.'
   WHERE dir IS NULL
 ;';
   $virtual_categories = array_from_query($query, 'id');
-
   if (!empty($virtual_categories))
   {
     $query = '
 SELECT DISTINCT(image_id)
   FROM '.IMAGE_CATEGORY_TABLE.'
-;';
-    $all_elements = array_from_query($query, 'image_id');
-
-    $query = '
-SELECT DISTINCT(image_id)
-  FROM '.IMAGE_CATEGORY_TABLE.'
   WHERE category_id IN ('.implode(',', $virtual_categories).')
 ;';
     $linked_to_virtual = array_from_query($query, 'image_id');
-
-    $page['cat_elements_id'] = array_diff($all_elements, $linked_to_virtual);
   }
+
+  $page['cat_elements_id'] = array_diff($all_elements, $linked_to_virtual);
 }
 else if ('duplicates' == $_GET['cat'])
 {