Re: How do I refresh a many-to-many?
Re: How do I refresh a many-to-many?
- Subject: Re: How do I refresh a many-to-many?
- From: Mike Schrag <email@hidden>
- Date: Wed, 18 Apr 2007 15:16:37 -0400
Or even better, get your eogenerator on (see the wikibook entry) with
some of the handy to-many templates and never think about those
methods again.
ms
On Apr 18, 2007, at 3:00 PM, Chuck Hill wrote:
Hmmm. I think the problem is more likely that Kevin is using
addToClubs instead of addObjectToBothSidesOfRelationshipWithKey.
Kevin: the latter method is the preferred way to join object, it
calls addToClubs and anything that is needed internally).
Chuck
On Apr 18, 2007, at 11:54 AM, Robert Walker wrote:
http://developer.apple.com/documentation/WebObjects/
Enterprise_Objects/Fetching/chapter_6_section_7.html#//apple_ref/
doc/uid/TP30001011-CH206-BADDGFAG
This is a page that explains how to "Ensure Fresh Data." Warning:
It's not for the feint of heart. This is actually more
complicated that it initially seems. By default snapshots are
cached for 60 minutes. This is typically too long unless your
data is pretty static and stale data isn't a major problem.
In cases like your you will need to balance the benefits of the
snapshot caching and data freshness using the mechanisms described
in the above document.
The place to start is with the method on EOFetchSpecification
called setRefreshesRefetchedObjects(true);
On Apr 18, 2007, at 12:49 PM, Kevin Windham wrote:
I have an app with users and clubs. There is a many-to-many
between these objects. I allow one user to add another user to
their club through a page that fetches the particular user they
want to add and then calls the new users addToClubs method. This
much works fine. I can go look in my DB and see that the user has
been added. However, when I redisplay the original user's club
page, the new user does not show up. If I log out of the app and
log back in, the new user shows up.
I tried adding a refreshObject call on the original user, but
that doesn't seem to help. How can I refresh the many to many on
my original user?
Thanks,
Kevin
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