1INSERT INTO labelers (did, cid, reasons, subject_types, subject_collections)
2VALUES ($1, $2, $3, $4, $5)
3ON CONFLICT (did) DO UPDATE SET cid=EXCLUDED.cid,
4 reasons=EXCLUDED.reasons,
5 subject_types=EXCLUDED.subject_types,
6 subject_collections=EXCLUDED.subject_collections,
7 indexed_at=NOW()