presto-cli/src/main/java/io/prestosql/cli/Query.java/Query/renderUpdate
class Query:    private void renderUpdate(PrintStream out, QueryStatusInfo results)
    {
        String status = results.getUpdateType();
        if (results.getUpdateCount() != null) {
            long count = results.getUpdateCount();
            status += format(": %s row%s", count, (count != 1) ? "s" : "");
        }
        out.println(status);
        discardResults();
    }