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class RequestClassification < ActiveRecord::Base
belongs_to :user
# return classification instances representing the top n
# users, with a 'cnt' attribute representing the number
# of classifications the user has made.
def RequestClassification.league_table(size, conditions=[])
find(:all, :select => 'user_id, count(*) as cnt',
:conditions => conditions,
:group => 'user_id',
:order => 'cnt desc',
:limit => size,
:include => :user)
end
end
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