示例#1
0
  @Test
  public void testSuperColumnTombstones()
      throws IOException, ExecutionException, InterruptedException {
    Keyspace keyspace = Keyspace.open(KEYSPACE1);
    ColumnFamilyStore cfs = keyspace.getColumnFamilyStore("Super1");
    cfs.disableAutoCompaction();

    DecoratedKey key = Util.dk("tskey");
    ByteBuffer scName = ByteBufferUtil.bytes("TestSuperColumn");

    // a subcolumn
    RowMutation rm = new RowMutation(KEYSPACE1, key.key);
    rm.add(
        "Super1",
        CompositeType.build(scName, ByteBufferUtil.bytes(0)),
        ByteBufferUtil.EMPTY_BYTE_BUFFER,
        FBUtilities.timestampMicros());
    rm.apply();
    cfs.forceBlockingFlush();

    // shadow the subcolumn with a supercolumn tombstone
    rm = new RowMutation(KEYSPACE1, key.key);
    rm.deleteRange(
        "Super1",
        SuperColumns.startOf(scName),
        SuperColumns.endOf(scName),
        FBUtilities.timestampMicros());
    rm.apply();
    cfs.forceBlockingFlush();

    CompactionManager.instance.performMaximal(cfs);
    assertEquals(1, cfs.getSSTables().size());

    // check that the shadowed column is gone
    SSTableReader sstable = cfs.getSSTables().iterator().next();
    Range keyRange =
        new Range<RowPosition>(key, sstable.partitioner.getMinimumToken().maxKeyBound());
    SSTableScanner scanner = sstable.getScanner(DataRange.forKeyRange(keyRange));
    OnDiskAtomIterator iter = scanner.next();
    assertEquals(key, iter.getKey());
    assert iter.next() instanceof RangeTombstone;
    assert !iter.hasNext();
  }
  @Test
  public void testNoExpire() throws ExecutionException, InterruptedException {
    ColumnFamilyStore cfs = Keyspace.open("Keyspace1").getColumnFamilyStore("Standard1");
    cfs.disableAutoCompaction();
    cfs.metadata.gcGraceSeconds(0);
    long timestamp = System.currentTimeMillis();
    RowMutation rm = new RowMutation("Keyspace1", Util.dk("ttl").key);
    rm.add(
        "Standard1", ByteBufferUtil.bytes("col"), ByteBufferUtil.EMPTY_BYTE_BUFFER, timestamp, 1);
    rm.add(
        "Standard1", ByteBufferUtil.bytes("col7"), ByteBufferUtil.EMPTY_BYTE_BUFFER, timestamp, 1);

    rm.apply();
    cfs.forceBlockingFlush();

    rm = new RowMutation("Keyspace1", Util.dk("ttl").key);
    rm.add(
        "Standard1", ByteBufferUtil.bytes("col2"), ByteBufferUtil.EMPTY_BYTE_BUFFER, timestamp, 1);
    rm.apply();
    cfs.forceBlockingFlush();
    rm = new RowMutation("Keyspace1", Util.dk("ttl").key);
    rm.add(
        "Standard1", ByteBufferUtil.bytes("col3"), ByteBufferUtil.EMPTY_BYTE_BUFFER, timestamp, 1);
    rm.apply();
    cfs.forceBlockingFlush();
    DecoratedKey noTTLKey = Util.dk("nottl");
    rm = new RowMutation("Keyspace1", noTTLKey.key);
    rm.add(
        "Standard1", ByteBufferUtil.bytes("col311"), ByteBufferUtil.EMPTY_BYTE_BUFFER, timestamp);
    rm.apply();
    cfs.forceBlockingFlush();
    Thread.sleep(2000); // wait for ttl to expire
    assertEquals(4, cfs.getSSTables().size());
    cfs.enableAutoCompaction(true);
    assertEquals(1, cfs.getSSTables().size());
    SSTableReader sstable = cfs.getSSTables().iterator().next();
    SSTableScanner scanner = sstable.getScanner(DataRange.allData(sstable.partitioner));
    assertTrue(scanner.hasNext());
    while (scanner.hasNext()) {
      OnDiskAtomIterator iter = scanner.next();
      assertEquals(noTTLKey, iter.getKey());
    }
  }