From d958c649e88a36cadf528763e0389a00387374a3 Mon Sep 17 00:00:00 2001
From: Nicolas Delaby <nicolas@nexedi.com>
Date: Thu, 8 Feb 2007 09:36:49 +0000
Subject: [PATCH] Manage None value in Query

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@12578 20353a03-c40f-0410-a6d1-a30d3c3de9de
---
 product/ZSQLCatalog/SQLCatalog.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/product/ZSQLCatalog/SQLCatalog.py b/product/ZSQLCatalog/SQLCatalog.py
index 52c11a3b8e..bdec9de46f 100644
--- a/product/ZSQLCatalog/SQLCatalog.py
+++ b/product/ZSQLCatalog/SQLCatalog.py
@@ -304,6 +304,9 @@ class Query(QueryMixin):
                 select_expression.append("MATCH %s AGAINST ('%s' %s) AS %s_relevance" % (key, value, mode,key.split('.')[1]))
           else:
             where_expression.append("%s = '%s'" % (key, value))
+    
+    elif value is None:
+      where_expression.append("%s is NULL" % (key))
     else:
       where_expression.append("%s = %s" % (key, self._quoteSQLString(value)))
 
-- 
2.30.9