iOS 15 破坏了 NSPersistentCloudKitContainer 同步
[英]iOS 15 has broken NSPersistentCloudKitContainer sync
问题描述
I have an existing app in the App Store that has been using an NSPersistentCloudKitContainer since iOS13 with no issues.
我在 App Store 中有一个现有的应用程序，它自 iOS13 以来一直使用 NSPersistentCloudKitContainer，没有任何问题。 My models are very simple, an Article model and a Tags model that is a many-to-many relationship on Article .我的模型非常简单，一个Article模型和一个Tags模型，它们是对Article的多对多关系。 Since iOS15 (I've also tried 15.1 beta) the Tags records are no longer downloaded, they are however uploaded when created.由于 iOS15（我也尝试过 15.1 测试版）不再下载Tags记录，但它们会在创建时上传。 What happens instead is that all articles will be downloaded and all tags will be missing.相反，所有文章都将被下载并且所有标签都将丢失。 Downgrading and going through the process on iOS14 I'm able to verify that this did previously work as intended - when opening the app all Articles and all Tags are downloaded.在 iOS14 上降级并完成该过程我能够验证这之前是否按预期工作 - 打开应用程序时，所有Articles和所有Tags都已下载。
1 个解决方案
解决方案1
0 已采纳 2021-10-18 09:36:39
I eventually found a config issue in one of my Models which was somehow preventing the child relation from being imported, specifically in iOS15.我最终在我的一个模型中发现了一个配置问题，它以某种方式阻止了子关系的导入，特别是在 iOS15 中。 I'm still not entirely sure why it was working prior to that - perhaps I'd inadvertently exploited a bug that was fixed in iOS15.我仍然不完全确定为什么它在此之前有效 - 也许我无意中利用了 iOS15 中修复的错误。
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