# Throw this in your config/initializers dir for some hot tag cloud action using the is_taggable gem
 
module TaggableExtensions
  
  def tag_cloud
    result = self.find_by_sql <<-SQL
      SELECT tags.id as tag_id, tags.name as tag_name, count(taggings.tag_id) as tag_count 
      FROM tags, taggings 
      WHERE tags.id = taggings.tag_id AND taggings.taggable_type = "#{self}"
      GROUP BY (taggings.tag_id)
    SQL
    result.collect(&:attributes)
  end
  
end
 
ActiveRecord::Base.send(:extend, TaggableExtensions)