diff --git a/odoo/models.py b/odoo/models.py
index 0ca056286dc..66fc08fdff5 100644
--- a/odoo/models.py
+++ b/odoo/models.py
@@ -5108,9 +5108,16 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
                 if path == 'id':
                     target0 = self
                 else:
-                    env = self.env(user=SUPERUSER_ID, context={'active_test': False})
-                    target0 = env[model_name].search([(path, 'in', self.ids)])
-                    target0 = target0.with_env(self.env)
+                    Model = self.env[model_name]
+                    f = Model._fields.get(path)
+                    if f and f.store and f.type not in ('one2many', 'many2many'):
+                        # path is direct (not dotted), stored, and inline -> optimise to raw sql
+                        self.env.cr.execute("SELECT id FROM %s WHERE %s in %%s" % (Model._table, path), [tuple(self.ids)])
+                        target0 = Model.browse(i for [i] in self.env.cr.fetchall())
+                    else:
+                        env = self.env(user=SUPERUSER_ID, context={'active_test': False})
+                        target0 = env[model_name].search([(path, 'in', self.ids)])
+                        target0 = target0.with_env(self.env)
                 # prepare recomputation for each field on linked records
                 for field in stored:
                     # discard records to not recompute for field