From 7b315a100160dec948e7c391fcaf244982603fd0 Mon Sep 17 00:00:00 2001
From: Andrii V <andrii@rhodecode.com>
Date: Fri, 31 Oct 2025 16:26:59 +0100
Subject: [PATCH] User deletion fix

---
 rhodecode/model/user.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rhodecode/model/user.py b/rhodecode/model/user.py
index c367b3ed..63fb1363 100644
--- a/rhodecode/model/user.py
+++ b/rhodecode/model/user.py
@@ -601,6 +601,10 @@ class UserModel(BaseModel):
                 if detach_artifacts:
                     self._detach_user_artifacts(user.username, user.artifacts, new_owner)
 
+                # Flush all detach operations to database before deleting user
+                # Ensures foreign keys are properly updated and prevents NULL constraint violations
+                self.sa.flush()
+
             user_data = user.get_dict()  # fetch user data before expire
 
             # we might change the user data with detach/delete, make sure