1
我意識到,如果我通過filter().delete()
刪除項目(這是好的)在模型中的object_set不更新,但是我想刪除之後更新_set
使這一經過:如何在Django進行破壞性操作後刷新foreignkey_set?
def test_prefetch(self):
game = Game.objects.prefetch_related('bubble_set').get()
game.fill_board()
self.assertEqual(game.bubble_set.count(), game.width * game.height)
game.bubble_set.filter(x=5).delete()
# Fails
self.assertNotEqual(game.bubble_set.count(), game.width * game.height)
game = Game.objects.prefetch_related('bubble_set').get()