@Test
  public void testWriteStructOfArraysInTable() throws IOException {
    Schema schema = new Schema(required(1, "id", Types.LongType.get()),
        required(2, "structofarrays", Types.StructType
            .of(required(3, "names", Types.ListType.ofRequired(4, Types.StringType.get())),
                required(5, "birthdays", Types.ListType.ofRequired(6,
                    Types.StringType.get())))));
    List<Record> records = TestHelper.generateRandomRecords(schema, 5, 1L);
    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