From c96d4cdbadf8d15abcad19e8f5839b46bb025e04 Mon Sep 17 00:00:00 2001
From: Raphael Collet <rco@odoo.com>
Date: Fri, 23 Nov 2018 14:02:17 +0000
Subject: [PATCH] [FIX] base: ormcache invalidation in `ir.config.parameter`

Writing on a parameter invalidates the ormcache and propagates the invalidation
to other workers.  Setting a parameter to its current value should not trigger
ormcache invalidations.
---
 odoo/addons/base/models/ir_config_parameter.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/odoo/addons/base/models/ir_config_parameter.py b/odoo/addons/base/models/ir_config_parameter.py
index eed10daadd8..b7f2356e803 100644
--- a/odoo/addons/base/models/ir_config_parameter.py
+++ b/odoo/addons/base/models/ir_config_parameter.py
@@ -83,7 +83,8 @@ class IrConfigParameter(models.Model):
         if param:
             old = param.value
             if value is not False and value is not None:
-                param.write({'value': value})
+                if str(value) != old:
+                    param.write({'value': value})
             else:
                 param.unlink()
             return old