@Override
    public ContactInfo build() {
      try {
        ContactInfo record = new ContactInfo();
        record.address = fieldSetFlags()[0] ? this.address : (java.util.List<org.apache.hadoop.hive.hbase.avro.Address>) defaultValue(fields()[0]);
        record.homePhone = fieldSetFlags()[1] ? this.homePhone : (org.apache.hadoop.hive.hbase.avro.HomePhone) defaultValue(fields()[1]);
        record.officePhone = fieldSetFlags()[2] ? this.officePhone : (org.apache.hadoop.hive.hbase.avro.OfficePhone) defaultValue(fields()[2]);
        return record;
      } catch (Exception e) {
        throw new org.apache.avro.AvroRuntimeException(e);
      }
    }
Clears the value of the 'officePhone' field
hbase-handler/src/test/org/apache/hadoop/hive/hbase/avro/ContactInfo.java