On 21 April 2010 12:10, DanC wrote:
> @topics = Topic.find(:all, :conditions => ["forum_id = ?",
> @forum.id], :order => "total_replies DESC")
>
> but I get the error Mcolumn "total_replies" does not exist
>
> I know the column doesn't exist, but the question is, how can I get
> the 'total_replies
I think that's you could use the counter_cache feature:
class AddReplyCount < ActiveRecord::Migration
def self.up
add_column :topics, :replies_count, :integer, :default => 0
Project.reset_column_information
Topic.find(:all).each do |t|
t.update_attribute(:replies_count, t.repl
Hi,
I have a topic model which has_many replies.
On my topic index page I would like to be able to sort the topics by
the number of replies.
In my topic model I have defined
Topic.rb
...
has_many :replies
def total_replies
replies.count
end
And in my controller I have tried
3 matches
Mail list logo
