From ea112cb6be7d36a4b26e126e65b8b26ce3e72736 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Thu, 27 Nov 2014 22:16:34 +0100
Subject: [PATCH] Function fields should return proper sql_type

issue4302
review12701002
---
 trytond/model/fields/function.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/trytond/model/fields/function.py b/trytond/model/fields/function.py
index 8a72955ec5..5449c9b52b 100644
--- a/trytond/model/fields/function.py
+++ b/trytond/model/fields/function.py
@@ -57,6 +57,10 @@ class Function(Field):
                 return
         setattr(self._field, name, value)
 
+    @property
+    def sql_type(self):
+        raise AttributeError
+
     def convert_domain(self, domain, tables, Model):
         name, operator, value = domain[:3]
         if not self.searcher: