From 30d2bcb2a8f6f2172ac6abd4b637bf4d0597d082 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Fri, 17 Feb 2023 12:56:18 +0100
Subject: [PATCH] Find invalid records of xxx2Many field using intersection

For xxx2Many field, the contain test is not working correctly because the
field value is a tuple of records which is never in the list of invalid
relations.

Closes #12099
---
 trytond/trytond/model/modelstorage.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/trytond/trytond/model/modelstorage.py b/trytond/trytond/model/modelstorage.py
index 12a7447395..2e219889d3 100644
--- a/trytond/trytond/model/modelstorage.py
+++ b/trytond/trytond/model/modelstorage.py
@@ -1271,6 +1271,11 @@ class ModelStorage(Model):
                             'many2one', 'one2many', 'many2many', 'one2one',
                             'reference'}:
                         invalid_records = invalid_relations
+                    elif field._type.endswith('2many'):
+                        invalid_records = [
+                            r for r in records
+                            if invalid_relations.intersection(
+                                getattr(r, field.name))]
                     else:
                         invalid_records = [
                             r for r in records