If someone could write a plugin to do custom counter-caches, that would be Awesome. I think it would be very useful!
On Dec 8, 10:34 am, James Miller <[email protected]> wrote: > There's no built-in functionality for this, but you can just add > after_create and before_destroy callbacks to increment/decrement the parent > records with the correct count based on any number of conditions. > > You can see how it's implemented in the Rails source > here:http://github.com/rails/rails/blob/master/activerecord/lib/active_rec... > > On Tue, Dec 8, 2009 at 10:28 AM, liquid_rails > <[email protected]>wrote: > > > I would like for the database to keep a count of postings belonging to > > a specific category (can do that), that are NOT expired (don't know > > how to do that). Are there any built-in functions to do this? > > > Thanks! > > > -- > > SD Ruby mailing list > > [email protected] > >http://groups.google.com/group/sdruby > > -- SD Ruby mailing list [email protected] http://groups.google.com/group/sdruby
