Use a storage/caching layer of CUIDs instead? http://usecuid.org/
On Mon, Feb 12, 2018 at 11:24 AM, M Mackey <mm...@mac.com> wrote:
> I've run into a strange issue with using a UUID as primary key, and I'm
> hoping we can either verify this is a bug, or figure out what I've done
> I've got a core model object with a UUID for it's primary key. (Generated
> external to this system, thus using that for when additional information
> comes in.) And there are other model objects referencing it. Normally
> everything runs fine. But after a while, web pages that have been running
> fine start telling me that the UUID isn't valid (even though it is). (Sorry
> I don't have a copy of the error at this moment, I'll post here when it
> happens again.) I know it's not a simple coding error, because I can simply
> restart Apache and everything is fine again. And these aren't POST
> responses or anything complex like that. It occurs on a simple listing page.
> When I dig into the exceptions, I see something that seems contradictory.
> It looks like the UUID constructor has been called with an instance of a
> UUID (it says type UUID doesn't have method 'replace'). But it doesn't seem
> like that should be possible because the code that calls that constructor
> first checks the type. (See django/db/models/fields/__init__.py -
> So it's a double head scratcher. Once this problem crops up, I have to
> restart the web server (but then it's okay for a while). And the errors it
> gives me don't make much sense.
> I don't know what kind of caching problem it could be - I haven't enabled
> any of the available caching systems. Also doesn't seem to crop up (at
> least not as often) in the built in dev test server.
> Anyone seen this, or have any ideas?
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