From 2f75c6cc4836180fb8af449e2c02b96c876fcdea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Thu, 2 Sep 2010 17:59:33 +0200
Subject: [PATCH] Use fetchmany instead of limit

It is faster on large data sets
---
 trytond/model/modelsql.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/trytond/model/modelsql.py b/trytond/model/modelsql.py
index fd82622874..14b955609b 100644
--- a/trytond/model/modelsql.py
+++ b/trytond/model/modelsql.py
@@ -1187,11 +1187,9 @@ class ModelSQL(ModelStorage):
                 (order_by and ' ORDER BY ' + order_by or ''), limit, offset)
         if query_string:
             return (query_str, tables_args + qu2)
-        cursor.execute(cursor.limit_clause(
-            'SELECT * FROM (' + query_str + ') AS ' \
-                '"' + self._table + '"', cursor.IN_MAX), tables_args + qu2)
+        cursor.execute(query_str, tables_args + qu2)
 
-        datas = cursor.dictfetchall()
+        datas = cursor.dictfetchmany(cursor.IN_MAX)
         cache = cursor.get_cache()
         cache.setdefault(self._name, {})
         delete_records = Transaction().delete_records.setdefault(self._name,