@Test
  public void testWriteArrayOfStructsInTable() throws IOException {
    Schema schema =
        new Schema(required(1, "id", Types.LongType.get()),
            required(2, "arrayofstructs", Types.ListType.ofRequired(3, Types.StructType
                .of(required(4, "something", Types.StringType.get()), required(5, "someone",
                    Types.StringType.get()), required(6, "somewhere", Types.StringType.get())))));
    List<Record> records = TestHelper.generateRandomRecords(schema, 5, 0L);
    testComplexTypeWrite(schema, records);
  }
Runs insert queries against Iceberg tables with complex type columns, such as arrays, structs and maps.
iceberg/iceberg-handler/src/test/java/org/apache/iceberg/mr/hive/TestHiveIcebergComplexTypeWrites.java