BEGIN;

DROP TABLE IF EXISTS runtime_config_rollout;
DROP TABLE IF EXISTS ops_device_group_member;
DROP TABLE IF EXISTS ops_device_group;
DROP TABLE IF EXISTS ops_config_evaluation;
DROP TABLE IF EXISTS ops_resource_reference;

WITH ranked AS (
    SELECT id,row_number() OVER (PARTITION BY tenant_id,config_key ORDER BY version_no DESC,id DESC) AS position
    FROM runtime_config_version WHERE status='PUBLISHED'
)
UPDATE runtime_config_version rcv
SET status='RETIRED',retired_at=COALESCE(retired_at,now()),row_version=row_version+1,updated_at=now()
FROM ranked WHERE ranked.id=rcv.id AND ranked.position>1;

CREATE UNIQUE INDEX runtime_config_one_published_key
    ON runtime_config_version(tenant_id,config_key) WHERE status='PUBLISHED';

COMMIT;