Index: temp/trunk/html/admin/system/bkup.php
===================================================================
--- temp/trunk/html/admin/system/bkup.php	(revision 5678)
+++ temp/trunk/html/admin/system/bkup.php	(revision 5679)
@@ -251,5 +251,9 @@
 	$arrColList = lfGetColumnList($table_name);
 	
-	sfprintr($arrColList);
+	foreach($arrColList['defval'] as $key => $val){
+		if (substr($val,1,10) == 'nextval(\'') {
+			sfprintr($val);
+		}		
+	}
 	
 }