@Override
    protected Optional<BigDecimal> getOptional(ResultSet rs, String columnLabel) throws SQLException {
        return Optional.of(rs.getBigDecimal(columnLabel));
    }
A wrapper around a table storing a single positive {@link BigDecimal} per {@link UUID} key.
helper-sql/src/main/java/me/lucko/helper/sql/util/Uuid2PosDecimalTable.java