From 752a7a2ae251a2b3fc668f7d15cdf333bc7be3d8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Mon, 13 Jul 2015 23:58:37 +0200
Subject: [PATCH] Remove boolean expression in order

issue4852
review15541002
---
 product.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/product.py b/product.py
index bb1138ad08..b55416bd85 100644
--- a/product.py
+++ b/product.py
@@ -1,6 +1,7 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
 from sql import Null
+from sql.conditionals import Case
 
 from trytond.model import ModelView, ModelSQL, fields
 from trytond.pyson import Eval, Get, If, Bool
@@ -89,4 +90,4 @@ class ProductBom(ModelSQL, ModelView):
     @staticmethod
     def order_sequence(tables):
         table, _ = tables[None]
-        return [table.sequence == Null, table.sequence]
+        return [Case((table.sequence == Null, 0), else_=1), table.sequence]