private fun ResultSet.getFieldValue(field: Field): Any? {
    val fieldName = field.name
    return  when (field.type.standardType) {
            StandardSQLTypeName.BOOL -> getBoolean(fieldName)
            StandardSQLTypeName.INT64 -> getLong(fieldName)
            StandardSQLTypeName.FLOAT64 -> getDouble(fieldName)
            StandardSQLTypeName.NUMERIC, StandardSQLTypeName.BIGNUMERIC -> getBigDecimal(fieldName)
            StandardSQLTypeName.STRING -> getString(fieldName)
            StandardSQLTypeName.BYTES -> getBytes(fieldName)
            StandardSQLTypeName.TIMESTAMP -> getTimestamp(fieldName)?.toInstant()
            StandardSQLTypeName.DATE -> getDate(fieldName)?.toLocalDate()?.atStartOfDay()?.toInstant(ZoneOffset.UTC)
            StandardSQLTypeName.GEOGRAPHY -> getString(fieldName)?.toByteArray(StandardCharsets.UTF_8)
            StandardSQLTypeName.JSON -> getString(fieldName)
            StandardSQLTypeName.INTERVAL -> getObject(fieldName)
            StandardSQLTypeName.RANGE -> getObject(fieldName)
            else -> getObject(fieldName)
        }
}