DROP INDEX IF EXISTS idx_allowlists_event; DROP TABLE IF EXISTS event_allowlists; DROP TABLE IF EXISTS fraud_feedback; ALTER TABLE access_logs DROP COLUMN IF EXISTS geo_lon, DROP COLUMN IF EXISTS geo_lat, DROP COLUMN IF EXISTS geo_city, DROP COLUMN IF EXISTS geo_country; ALTER TABLE events DROP COLUMN IF EXISTS fraud_block_threshold, DROP COLUMN IF EXISTS fraud_high_threshold, DROP COLUMN IF EXISTS fraud_medium_threshold;