-- Reverses only 003; never execute together with UP.
BEGIN;
SET LOCAL lock_timeout = '10s';
SELECT pg_advisory_xact_lock(290926, 170003);
DO $reverse$
DECLARE table_name text; owned_index record;
BEGIN
  FOREACH table_name IN ARRAY ARRAY['audit_events','business_status_history','document_versions','negotiation_events'] LOOP
    EXECUTE format('DROP TRIGGER IF EXISTS mne_evidence_immutable ON mne.%I', table_name);
  END LOOP;
  FOR owned_index IN SELECT c.relname FROM pg_class c JOIN pg_namespace n ON n.oid=c.relnamespace
    WHERE n.nspname='mne' AND c.relkind='i' AND obj_description(c.oid,'pg_class')='Owned by 003_mne_integrity'
  LOOP
    EXECUTE format('DROP INDEX mne.%I', owned_index.relname);
  END LOOP;
END $reverse$;
DROP FUNCTION IF EXISTS mne.reject_evidence_mutation();
COMMIT;