-- 006_drop_host.sql — remove host_id and host_name from race tables.
--
-- Races no longer carry a host (driver) reference. A race is owned by a
-- physical track; the "host" concept is removed from the public API and
-- from lobby.RaceMeta. Drivers participate as a flat list of driver_ids.

ALTER TABLE finished_races DROP COLUMN IF EXISTS host_id;
ALTER TABLE finished_races DROP COLUMN IF EXISTS host_name;
DROP INDEX IF EXISTS finished_races_host_idx;

ALTER TABLE race_plans DROP COLUMN IF EXISTS host_id;
ALTER TABLE race_plans DROP COLUMN IF EXISTS host_name;