# Thanks Jamis
class << ActiveRecord::Base
  def each(limit = 1000)
    rows = connection.select_all "select id from #{table_name} where id > 0 limit #{limit}"
    while rows.any?
      rows.each { |record| yield record }
      rows = connection.select_all "select id from #{table_name} where id > #{rows.last['id']} limit #{limit}"
    end
    self
  end
end

# Warming the cache
models = Dir["#{RAILS_ROOT}/app/models/**.rb"]
models.map! { |dir| File.basename(dir, '.rb').classify.constantize }
models.each do |model|
  model.each { |record| model.get_cache(record['id']) }
end