From 765c0c46709233929acf940a184782ff61090fc7 Mon Sep 17 00:00:00 2001
From: Sylvain LE GAL <sylvain.legal@grap.coop>
Date: Thu, 15 Feb 2018 15:11:13 +0100
Subject: [PATCH] [IMP] do not call search_read if no fields are set

---
 web_dashboard_tile/models/tile_tile.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/web_dashboard_tile/models/tile_tile.py b/web_dashboard_tile/models/tile_tile.py
index 5822f992d..1a892601c 100644
--- a/web_dashboard_tile/models/tile_tile.py
+++ b/web_dashboard_tile/models/tile_tile.py
@@ -157,7 +157,8 @@ class TileTile(models.Model):
             return
         fields = [f.name for f in [
             self.primary_field_id, self.secondary_field_id] if f]
-        read_vals = model.search_read(eval(domain, eval_context), fields)
+        read_vals = fields and\
+            model.search_read(eval(domain, eval_context), fields) or []
         for f in ['primary_', 'secondary_']:
             f_function = f+'function'
             f_field_id = f+'field_id'