From 2f2c1057b3e395cbba41366bd6081ce020b1310c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20van=20der=20Essen?= <fva@openerp.com>
Date: Thu, 23 Jan 2014 17:15:23 +0100
Subject: [PATCH] [FIX] read: fix performance issue due to O(n)^2 sorting

bzr revid: fva@openerp.com-20140123161523-xvc8so45uwj3uivs
---
 addons/web/controllers/main.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/addons/web/controllers/main.py b/addons/web/controllers/main.py
index 7be957bf4e2..f847f7734b0 100644
--- a/addons/web/controllers/main.py
+++ b/addons/web/controllers/main.py
@@ -1084,7 +1084,12 @@ class DataSet(openerpweb.Controller):
             }
 
         records = Model.read(ids, fields or False, req.context)
-        records.sort(key=lambda obj: ids.index(obj['id']))
+
+        index = {}
+        for r in records:
+            index[r['id']] = r
+        records = [index[x] for x in ids if x in index]
+
         return {
             'length': length,
             'records': records