public static Record getNullTestRecord() {
    Record record = GenericRecord.create(HiveIcebergTestUtils.FULL_SCHEMA);

    for (int i = 0; i < HiveIcebergTestUtils.FULL_SCHEMA.columns().size(); i++) {
      record.set(i, null);
    }

    return record;
  }
Record with every field set to null.
@return Empty record
iceberg/iceberg-handler/src/test/java/org/apache/iceberg/mr/hive/HiveIcebergTestUtils.java