>> s = Site.first
>> s.entries.live

  Site Load (0.5ms)   SELECT * FROM `sites` LIMIT 1
  Entry Columns (2.5ms)   SHOW FIELDS FROM `documents`
  Entry Load (0.6ms)   SELECT * FROM `documents` WHERE ((`documents`.site_id = 1) AND (`documents`.`is_live` = 1)) AND ( (`documents`.`type` = 'Entry' ) ) ORDER BY created_at DESC