included

# File activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb, line 12
        def included(base) # :nodoc:
          dirties_query_cache base, :exec_query, :execute, :create, :insert, :update, :delete, :truncate,
            :truncate_tables, :rollback_to_savepoint, :rollback_db_transaction, :restart_db_transaction,
            :exec_insert_all

          base.set_callback :checkin, :after, :unset_query_cache!
        end