Index: openacs-4/packages/file-storage/www/move-postgresql.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/file-storage/www/move-postgresql.xql,v
diff -u -r1.9.4.1 -r1.9.4.2
--- openacs-4/packages/file-storage/www/move-postgresql.xql	3 Jul 2016 18:22:09 -0000	1.9.4.1
+++ openacs-4/packages/file-storage/www/move-postgresql.xql	17 Jul 2017 17:49:19 -0000	1.9.4.2
@@ -85,5 +85,13 @@
        ) 	 
      </querytext> 	 
    </fullquery>
-  
+
+   <fullquery name="item_exists_already_in_target_folder">
+     <querytext>
+      select count(*) from cr_items
+      where name=:name
+      and parent_id=:folder_id
+     </querytext>
+   </fullquery>
+
 </queryset>