@HiveDecimalVersionV1
  public static HiveDecimal create(String string) {
    HiveDecimal result = new HiveDecimal();
    if (!result.fastSetFromString(
        string, true)) {
      return null;
    }
    return result;
  }
Create a HiveDecimal by parsing a whole string.

We support parsing a decimal with an exponent because the previous version
(i.e. OldHiveDecimal) uses the BigDecimal parser and was able to.

@param string the string to parse
@return a new hive decimal
storage-api/src/java/org/apache/hadoop/hive/common/type/HiveDecimal.java