[MERGE] Avoid some unnecessary ormcache invalidations

Avoid invalidating ormcache when possible.
There are currently too many invalidations, which makes the ormcache less effective in practice.

closes odoo/odoo#28993

1 files changed, 2 insertions, 1 deletions

diff --git a/odoo/models.py b/odoo/models.py
index 1af6cd9c173..b2aab1d5f36 100644
--- a/odoo/models.py
+++ b/odoo/models.py
@@ -846,7 +846,6 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
         ids = []
         messages = []
         ModelData = self.env['ir.model.data']
-        ModelData.clear_caches()
 
         # list of (xid, vals, info) for records to be created in batch
         batch = []
@@ -928,6 +927,8 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
         if any(message['type'] == 'error' for message in messages):
             cr.execute('ROLLBACK TO SAVEPOINT model_load')
             ids = False
+            # cancel all changes done to the registry/ormcache
+            self.pool.reset_changes()
 
         return {'ids': ids, 'messages': messages}