SELECT
sol.content_addr,
sol.solution,
sub.timestamp_secs,
sub.timestamp_nanos
FROM
solution sol
JOIN
submission sub
ON
sol.id = sub.solution_id
WHERE
(sub.timestamp_secs > :start_secs OR
(sub.timestamp_secs = :start_secs AND sub.timestamp_nanos >= :start_nanos))
AND
(sub.timestamp_secs < :end_secs OR
(sub.timestamp_secs = :end_secs AND sub.timestamp_nanos < :end_nanos))
LIMIT :limit