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fix: delete answers before questions in update_test to avoid FK violation

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Bulk DELETE bypasses ORM cascade — must manually delete child rows first.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Aleksey Razorvin
2026-03-21 13:56:55 +05:00
parent 8097672917
commit 0977eb0c38
1 changed files with 5 additions and 0 deletions
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backend/app/api/tests.py
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@@ -170,6 +170,11 @@ async def update_test(test_id: int, data: TestCreate, db: AsyncSession = Depends
test.time_limit = data.time_limit test.time_limit = data.time_limit
test.allow_navigation_back = data.allow_navigation_back test.allow_navigation_back = data.allow_navigation_back
# Сначала удаляем ответы (FK: answers.question_id → questions.id)
q_ids_result = await db.execute(select(Question.id).where(Question.test_id == test_id))
q_ids = [row[0] for row in q_ids_result.fetchall()]
if q_ids:
await db.execute(delete(Answer).where(Answer.question_id.in_(q_ids)))
await db.execute(delete(Question).where(Question.test_id == test_id)) await db.execute(delete(Question).where(Question.test_id == test_id))
await db.flush() await db.flush()