lib/tasks/update_counter_cache.rake
namespace :app do
desc "Update counter caches for proposals"
task :update_counter_cache => :environment do
Proposal.pluck('id').each do |id|
Proposal.reset_counters(id, :comments)
end
Event.pluck('id').each do |id|
Event.reset_counters(id, :proposals)
end
end
end