[FIX] registry: Set the fields_by_model attribute in __init__(), use None to flag non-existing fields-per-model cache.

bzr revid: vmt@openerp.com-20121214141114-em9r66e3sfy21t2r

1 files changed, 2 insertions, 2 deletions

diff --git a/openerp/modules/loading.py b/openerp/modules/loading.py
index b4ad08af7a1..935ea8a2436 100644
--- a/openerp/modules/loading.py
+++ b/openerp/modules/loading.py
@@ -149,7 +149,7 @@ def load_module_graph(cr, graph, status=None, perform_checks=True, skip_modules=
     # Query manual fields for all models at once and save them on the registry
     # so the initialization code for each model does not have to do it
     # one model at a time.
-    pool.fields_by_model = {'so_this_dict_is_not_empty': {}}
+    pool.fields_by_model = {}
     cr.execute('SELECT * FROM ir_model_fields WHERE state=%s', ('manual',))
     for field in cr.dictfetchall():
         pool.fields_by_model.setdefault(field['model'], []).append(field)
@@ -232,7 +232,7 @@ def load_module_graph(cr, graph, status=None, perform_checks=True, skip_modules=
 
     # The query won't be valid for models created later (i.e. custom model
     # created after the registry has been loaded), so empty its result.
-    pool.fields_by_model = {}
+    pool.fields_by_model = None
     
     cr.commit()