From b5c50b0779e852f00485924625611388f2cc3550 Mon Sep 17 00:00:00 2001
From: mini <afanamigo@gmail.com>
Date: Thu, 19 Feb 2026 01:00:51 +0800
Subject: [PATCH] fix: cascade delete download_logs when video is deleted

DownloadLog has ondelete=CASCADE on FK but ORM relationship lacked
cascade='all, delete-orphan', causing IntegrityError (NOT NULL) on
video deletion.
---
 backend/app/models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/app/models.py b/backend/app/models.py
index 140acd5..1f69388 100644
--- a/backend/app/models.py
+++ b/backend/app/models.py
@@ -30,7 +30,7 @@ class Video(Base):
         Index("ix_video_url_format_id", "url", "format_id"),
     )
 
-    logs = relationship("DownloadLog", back_populates="video", lazy="select")
+    logs = relationship("DownloadLog", back_populates="video", lazy="select", cascade="all, delete-orphan")
 
 
 class DownloadLog(Base):