Sounds like a bug. Can you move into an issue?
On Thu, Oct 24, 2019 at 7:52 PM Marc Köhlbrugge <h...@marckohlbrugge.com> wrote: > I'm running into a problem when using fragment caching with active record > collections. > > Rails 6 uses a combination of collection.cache_key and > collection.cache_version to determine whether a fragment cache is fresh or > not. However, there is a scenario where the collection might change while > collection.cache_key and collection.cache_version stay the same. > > It happens when you use a limit on the collection and then destroy one of > those records, as long as it's not the most recent one. This way > collection.cache_key will stay the same, because the query does not change. > And collection.cache_version will stay the same as well, because the > collection count will remain unchanged as does the maximum updated_at > timestamp of the most recent record. > > I've build a sample app for demonstration purposes: > > https://github.com/marckohlbrugge/rails-6-collection-caching-bug > > The readme describes a way to reproduce the issue via the website itself, > or the Rails console. > > Would this be considered a bug or expected behavior? Are there any known > work arounds? > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Core" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rubyonrails-core+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-core/4cc0ae69-c736-48d0-bd84-8b3f44dc879d%40googlegroups.com > <https://groups.google.com/d/msgid/rubyonrails-core/4cc0ae69-c736-48d0-bd84-8b3f44dc879d%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- Richard Schneeman https://www.schneems.com -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-core+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-core/CAFA5uRNRZQh2PiZ5uNoiBcbz5oj11FJhOurjJLmfwPkP%3D7Bo%3DA%40mail.gmail.com.
