included

# File activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb, line 5
        def included(base)
          base.class_eval do
            alias_method_chain :columns, :query_cache
            alias_method_chain :select_all, :query_cache
          end

          dirties_query_cache base, :insert, :update, :delete
        end