Anki/rslib/src/search/note_due_order.sql

DROP TABLE IF EXISTS sort_order;
CREATE TEMPORARY TABLE sort_order (
  pos integer PRIMARY KEY,
  nid integer NOT NULL UNIQUE
);
INSERT INTO sort_order (nid)
SELECT nid
FROM cards
WHERE (
    odid = 0
    AND type != 0
    AND queue > 0
  )
GROUP BY nid
ORDER BY MIN(type),
  MIN(due);