Use synchronize_session="fetch" when updating values.

gns3server/db/repositories/computes.py

@@ -79,7 +79,10 @@ class ComputesRepository(BaseRepository):
         if password:
             update_values["password"] = password.get_secret_value()
 
-        query = update(models.Compute).where(models.Compute.compute_id == compute_id).values(update_values)
+        query = update(models.Compute).\
+            where(models.Compute.compute_id == compute_id).\
+            values(update_values).\
+            execution_options(synchronize_session="fetch")
 
         await self._db_session.execute(query)
         await self._db_session.commit()

gns3server/db/repositories/templates.py

@@ -70,7 +70,10 @@ class TemplatesRepository(BaseRepository):
 
         update_values = template_update.dict(exclude_unset=True)
 
-        query = update(models.Template).where(models.Template.template_id == template_id).values(update_values)
+        query = not update(models.Template). \
+            where(models.Template.template_id == template_id). \
+            values(update_values).\
+            execution_options(synchronize_session="fetch")
 
         await self._db_session.execute(query)
         await self._db_session.commit()

gns3server/db/repositories/users.py

@@ -80,7 +80,10 @@ class UsersRepository(BaseRepository):
         if password:
             update_values["hashed_password"] = self._auth_service.hash_password(password=password.get_secret_value())
 
-        query = update(models.User).where(models.User.user_id == user_id).values(update_values)
+        query = update(models.User).\
+            where(models.User.user_id == user_id).\
+            values(update_values).\
+            execution_options(synchronize_session="fetch")
 
         await self._db_session.execute(query)
         await self._db_session.commit()
@@ -151,7 +154,10 @@ class UsersRepository(BaseRepository):
     ) -> Optional[models.UserGroup]:
 
         update_values = user_group_update.dict(exclude_unset=True)
-        query = update(models.UserGroup).where(models.UserGroup.user_group_id == user_group_id).values(update_values)
+        query = update(models.UserGroup).\
+            where(models.UserGroup.user_group_id == user_group_id).\
+            values(update_values).\
+            execution_options(synchronize_session="fetch")
 
         await self._db_session.execute(query)
         await self._db_session.commit()