Index: openacs-4/packages/dotlrn-homework/www/folder-chunk.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/folder-chunk.tcl,v
diff -u -r1.2.2.2.4.1 -r1.2.2.2.4.2
--- openacs-4/packages/dotlrn-homework/www/folder-chunk.tcl	30 Aug 2004 16:44:55 -0000	1.2.2.2.4.1
+++ openacs-4/packages/dotlrn-homework/www/folder-chunk.tcl	3 Sep 2004 13:30:46 -0000	1.2.2.2.4.2
@@ -60,6 +60,16 @@
     set qualify_by_owner [db_map qualify_by_owner]
 }
 
+#AG: In Oracle this query is a seemingly nonsensical "select 2 from dual".
+#The problem is, the db logic in PG is completely different and requires a query.
+#To avoid propagating these differences up to Tcl we use a query in Oracle too.
+if {![exists_and_not_null min_level]} {
+    set min_level [db_string select_default_min_level {}]
+}
+if {![exists_and_not_null max_level]} {
+    set max_level $min_level
+}
+
 # If all the files belong to a single user we won't show the name of the user
 # who has created the file.  
 set show_users_p 0