parenthesis where missing when we joind many where expressions, this should fix testInventory

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@12043 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ZSQLCatalog/SQLCatalog.py

@@ -1917,6 +1917,8 @@ class Catalog(Folder, Persistent, Acquisition.Implicit, ExtensionClass.Base):
     # Concatenate expressions
     if kw.get('where_expression',None) not in (None,''):
       where_expression_list.append(kw['where_expression'])
+    if len(where_expression_list)>1:
+      where_expression_list = ['(%s)' % x for x in where_expression_list]
     where_expression = join(where_expression_list, ' AND ')
     select_expression= join(select_expression_list,',')