DROP TABLE IF EXISTS system_playlist_runs;
DROP INDEX IF EXISTS playlists_user_kind_idx;
ALTER TABLE playlists
    DROP CONSTRAINT IF EXISTS playlists_seed_consistent;
ALTER TABLE playlists
    DROP CONSTRAINT IF EXISTS playlists_kind_variant_consistent;
ALTER TABLE playlists
    DROP COLUMN IF EXISTS seed_artist_id,
    DROP COLUMN IF EXISTS system_variant,
    DROP COLUMN IF EXISTS kind;