fuzz/fuzz_seeds/postgres_on_conflict_target_predicate.sql

INSERT INTO t (a, b) VALUES (1, 2) ON CONFLICT (a) WHERE b > 0 DO NOTHING;
INSERT INTO t (a, b, c) VALUES (2, 2, 3) ON CONFLICT (a, c) WHERE b > 0 AND c IS NOT NULL DO UPDATE SET b = EXCLUDED.b WHERE t.b < 10;