@Override
    public HomePhone build() {
      try {
        HomePhone record = new HomePhone();
        record.areaCode = fieldSetFlags()[0] ? this.areaCode : (java.lang.Long) defaultValue(fields()[0]);
        record.number = fieldSetFlags()[1] ? this.number : (java.lang.Long) defaultValue(fields()[1]);
        return record;
      } catch (Exception e) {
        throw new org.apache.avro.AvroRuntimeException(e);
      }
    }
Clears the value of the 'number' field
hbase-handler/src/test/org/apache/hadoop/hive/hbase/avro/HomePhone.java