@Test
    void testUpsert() throws Exception {
        LocalTime time = LocalTime.of(10, 10, 10, 123000000);
        long mill = time.toNanoOfDay() / 1_000_000;
        System.out.println("write time: " + mill);

        Schema schema =
                Schema.newBuilder()
                        .column("a", DataTypes.TIME())
                        .column("b", DataTypes.INT())
                        .primaryKey("a", "b")
                        .build();
        TablePath tablePath =
                TablePath.of("test_db_1", "test_pk_table_1");
        TableDescriptor tableDescriptor =
                TableDescriptor.builder().schema(schema).distributedBy(1)
                        .partitionedBy("a")
                        .build();
        createTable(tablePath, tableDescriptor, false);
        try (Table table = conn.getTable(tablePath)) {
            UpsertWriter upsertWriter = table.newUpsert().createWriter();
            upsertWriter.upsert(row((int) mill, 1)).get();
            upsertWriter.flush();

            LogScanner logScanner = createLogScanner(table);
            // subscribeFromBeginning(logScanner, table);
            logScanner.subscribe(0, 0, 0);
            ScanRecords scanRecords = logScanner.poll(Duration.ofSeconds(1));
            for (ScanRecord scanRecord : scanRecords) {
                InternalRow row = scanRecord.getRow();
                System.out.println("scan result:" + row.getInt(0));
            }

            Lookuper lookuper = table.newLookup().createLookuper();
            ProjectedRow keyRow = ProjectedRow.from(schema.getPrimaryKeyIndexes());
            keyRow.replaceRow(row((int) mill, 1));
            InternalRow singletonRow = lookuper.lookup(keyRow).get().getSingletonRow();
            System.out.println("lookup result:" + singletonRow.getInt(0));
        }
    }