@Test
  public void testPartitionPruning() throws IOException {
    Schema salesSchema = new Schema(
        required(1, "ss_item_sk", Types.IntegerType.get()),
        required(2, "ss_sold_date_sk", Types.IntegerType.get()));

    PartitionSpec salesSpec =
        PartitionSpec.builderFor(salesSchema).identity("ss_sold_date_sk").build();

    Schema dimSchema = new Schema(
        required(1, "d_date_sk", Types.IntegerType.get()),
        required(2, "d_moy", Types.IntegerType.get()));

    List<Record> salesRecords = TestHelper.RecordsBuilder.newInstance(salesSchema)
        .add(51, 5)
        .add(61, 6)
        .add(71, 7)
        .add(81, 8)
        .add(91, 9)
        .build();
    List<Record> dimRecords = TestHelper.RecordsBuilder.newInstance(salesSchema)
        .add(1, 10)
        .add(2, 20)
        .add(3, 30)
        .add(4, 40)
        .add(5, 50)
        .build();

    Table salesTable = testTables.createTable(shell, "x1_store_sales", salesSchema, salesSpec, fileFormat, null);

    PartitionKey partitionKey = new PartitionKey(salesSpec, salesSchema);
    for (Record r : salesRecords) {
      partitionKey.partition(r);
      testTables.appendIcebergTable(shell.getHiveConf(), salesTable, fileFormat, partitionKey, ImmutableList.of(r));
    }
    testTables.createTable(shell, "x1_date_dim", dimSchema, fileFormat, dimRecords);

    String query = "select s.ss_item_sk from x1_store_sales s, x1_date_dim d " +
        "where s.ss_sold_date_sk=d.d_date_sk*2 and d.d_moy=30";

    // Check the query results
    List<Object[]> rows = shell.executeStatement(query);

    Assert.assertEquals(1, rows.size());
    Assert.assertArrayEquals(new Object[] {61}, rows.get(0));

    // Check if Dynamic Partitioning is used
    Assert.assertTrue(shell.executeStatement("explain " + query).stream()
        .filter(a -> ((String) a[0]).contains("Dynamic Partitioning Event Operator"))
        .findAny()
        .isPresent());
  }
Verifies partitioning features in Iceberg tables. Covers both identity and transform partition types, verifies by
writing content into partitioned tables and by reading it back.
iceberg/iceberg-handler/src/test/java/org/apache/iceberg/mr/hive/TestHiveIcebergPartitions.java