@Override
    public int asInteger() {
        BigInteger bigInt = asBigInteger();
        return bigInt == null ? 0 : bigInt.intValue();
    }
Update value of the given object or create a new instance if {@code ref} is
null.

@param ref   object to update, could be null
@param value value
@return same object as {@code ref} or a new instance if it's null
clickhouse-data/src/main/java/com/clickhouse/data/value/ClickHouseIpv6Value.java