query -------------------------------------------------------------------------------------------------------------------------- DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL SELECT type :: text FROM tasks WHERE id = $1 :: uuid DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL SELECT (count(*) > 0) :: bool FROM attempt_stats WHERE lesson = $1 :: INT AND part = $2 :: text AND student = $3 :: uuid DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL DISCARD ALL (191 rows)