BEGIN;

ALTER TABLE media_segment
    ADD COLUMN local_delete_status varchar(16)
        CHECK (local_delete_status IN ('DELETED', 'FAILED')),
    ADD COLUMN local_delete_reported_at timestamptz,
    ADD COLUMN local_delete_error_code varchar(80);

CREATE INDEX media_segment_local_delete_pending_idx
    ON media_segment (device_id, local_delete_after)
    WHERE status = 'VERIFIED' AND local_delete_status IS NULL;

COMMIT;