[CDBI] Re: uniqueness of objects in memory??

Rod McChesney rod.mcchesney at gmail.com
Tue Oct 25 04:15:28 BST 2005


If the user object has been GC'ed then the object index won't see it,
right? Does the Catalyst session serialize the object in some way,
e.g. FreezeThaw or Data::Dumper? That would do it, I imagine...

Rod

On 10/24/05, Phil Mitchell <phil at 2people.org> wrote:
> On 10/24/05, Perrin Harkins <perrin at elem.com> wrote:
> > On Mon, 2005-10-24 at 15:07 -0700, Phil Mitchell wrote:
> > > OTOH, I can run essentially the same code inside a single template
> > > inside my app:
> > >
> > > [% prefs.home_page %]<br>  => X
> > > [% user.prefs.home_page %]<br>  => X
> > >
> > > [% prefs.home_page('Y') %]<br>
> > > [% prefs.update() %]<br>
> > >
> > > [% prefs.home_page %]<br>  => Y
> > > [% user.prefs.home_page %]<br> => X
> > >
> > > ...and see the weird behavior.
> >
> > Possible cloning side effects from the TT stash?
> >
> > You can identify if the two refs are pointing to the same object by
> > printing their refaddr() values with Scalar::Util.
>
> Yes, they are indeed different! However, my tests suggest it's not an
> issue with TT stash cloning. Using refaddr, I can watch what happens
> in my controller, and they're distinct before they ever get to the
> stash. Apparently CDBI can't see the Prefs object that's referenced by
> the User object that's stored in the catalyst session object. I'm
> suspicious of the session object, bc I've been able to replicate this
> behavior with another class, just by sticking it into the session
> object.
>
> For sanity's sake, here's the sequence:
>
> User logs in and User object is saved to session
> User has a prefs object
> User wants to edit prefs
> Prefs object is retrieved from db
> Prefs object is updated
> User->prefs is not refreshed
>
>
>
>
> >
> > - Perrin
> >
> >
>
>
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