article `id`, `type`, `title`, `digest`, `likes`, `reads`, `created_at`, `updated_at` FROM article WHERE can_list IS TRUE AND deleted_at IS NULL SELECT COUNT(1) SELECT ORDER BY COALESCE(updated_at, created_at) DESC LIMIT #{offset}, #{limit} AND ( `title` LIKE CONCAT('%', #{keyword}, '%') OR `digest` LIKE CONCAT('%', #{keyword}, '%') ) SELECT COUNT(1) SELECT ORDER BY COALESCE(updated_at, created_at) DESC LIMIT #{offset}, #{limit}