From 75b8291486e7b8806603361a49c4577b649def18 Mon Sep 17 00:00:00 2001
From: Vo Minh Thu <vmt@openerp.com>
Date: Tue, 14 Jun 2011 10:44:15 +0200
Subject: [PATCH] [IMP] orm: added comment, and delete an attribute when it is
 no more needed.

bzr revid: vmt@openerp.com-20110614084415-0noz6dlclnr09sbh
---
 openerp/osv/orm.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/openerp/osv/orm.py b/openerp/osv/orm.py
index bf08da84db7..cf188ba456b 100644
--- a/openerp/osv/orm.py
+++ b/openerp/osv/orm.py
@@ -2545,6 +2545,8 @@ class orm(orm_template):
         - alter existing database columns to match _columns,
         - create database tables to match _columns,
         - add database indices to match _columns,
+        - save in self._foreign_keys a list a foreign keys to create (see
+          _auto_end).
 
         """
         self._foreign_keys = []
@@ -2957,9 +2959,11 @@ class orm(orm_template):
         return todo_end
 
     def _auto_end(self, cr, context=None):
+        """ Create the foreign keys recorded by _auto_init. """
         for t, k, r, d in self._foreign_keys:
             cr.execute('ALTER TABLE "%s" ADD FOREIGN KEY ("%s") REFERENCES "%s" ON DELETE %s' % (t, k, r, d))
         cr.commit()
+        del self._foreign_keys
 
     @classmethod
     def createInstance(cls, pool, cr):