@Test
  public void testDDL() {
    sql(
        "CREATE TABLE "
            + catalogName
            + "."
            + DB
            + "."
            + TABLE
            + " ("
            + " id INT,"
            + " name STRING,"
            + " t TIMESTAMP,"
            + " PRIMARY KEY (id) NOT ENFORCED "
            + ") PARTITIONED BY(t) ");
    sql("USE  " + catalogName + "." + DB);
    sql("SHOW tables");

    Assert.assertTrue(
        getMixedFormatCatalog()
            .loadTable(TableIdentifier.of(catalogName, DB, TABLE))
            .isKeyedTable());
  }
Test cases for mixed catalog factories, including:
CatalogFactoryOptions.MIXED_ICEBERG_IDENTIFIER, CatalogFactoryOptions.MIXED_HIVE_IDENTIFIER,
CatalogFactoryOptions.LEGACY_MIXED_IDENTIFIER
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/test/java/org/apache/amoro/flink/catalog/TestMixedCatalog.java