array(7) {
  ["where"]=>
  string(114) " AND nap_posts.post_name = '20160501_152451vv' AND nap_posts.post_type = 'attachment' AND tr.object_id IS NOT NULL"
  ["groupby"]=>
  string(12) "nap_posts.ID"
  ["join"]=>
  string(69) " LEFT JOIN nap_term_relationships tr ON (nap_posts.ID = tr.object_id)"
  ["orderby"]=>
  string(24) "nap_posts.post_date DESC"
  ["distinct"]=>
  string(0) ""
  ["fields"]=>
  string(11) "nap_posts.*"
  ["limits"]=>
  string(0) ""
}