From b6819a9e3ef7c6555545ce05ef96dd7abf3b7af1 Mon Sep 17 00:00:00 2001
From: CI Bot <ci-bot@xiaoxiajianji.com>
Date: Sun, 19 Jul 2026 11:16:55 +0800
Subject: [PATCH] =?UTF-8?q?fix(migration):=20black=E6=A0=BC=E5=BC=8F?=
 =?UTF-8?q?=E5=8C=96?=
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---
 alembic/versions/045_backfill_user_id.py | 36 ++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 alembic/versions/045_backfill_user_id.py

diff --git a/alembic/versions/045_backfill_user_id.py b/alembic/versions/045_backfill_user_id.py
new file mode 100644
index 000000000..b3455a1e9
--- /dev/null
+++ b/alembic/versions/045_backfill_user_id.py
@@ -0,0 +1,36 @@
+"""backfill user_id for generated_videos from generation_tasks
+
+Revision ID: 045_backfill_user_id_generated_videos
+Revises: 044_user_id_generated_videos
+Create Date: 2026-07-19 10:50:00.000000
+
+"""
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "045_backfill_user_id"
+down_revision = "044_user_id_generated_videos"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # 回填 generated_videos.user_id：通过 generation_task_id 关联 generation_tasks 表
+    # 取 generation_tasks.created_by_user_id 作为 user_id
+    # 回填不到的（无关联task的兜底记录）保持空字符串
+    op.execute("""
+        UPDATE generated_videos gv
+        SET user_id = gt.created_by_user_id
+        FROM generation_tasks gt
+        WHERE gv.generation_task_id = gt.id
+          AND gv.user_id = ''
+          AND gt.created_by_user_id != ''
+        """)
+
+
+def downgrade() -> None:
+    # 降级不做处理（无法精确区分哪些是回填的）
+    pass
-- 
2.54.0