Exemplo n.º 1
0
  private List<SuperColumn> thriftifySuperColumns(
      Collection<IColumn> columns, boolean reverseOrder) {
    if (columns == null || columns.isEmpty()) {
      return EMPTY_SUPERCOLUMNS;
    }

    ArrayList<SuperColumn> thriftSuperColumns = new ArrayList<SuperColumn>(columns.size());
    for (IColumn column : columns) {
      List<Column> subcolumns = thriftifyColumns(column.getSubColumns());
      if (subcolumns.isEmpty()) {
        continue;
      }
      thriftSuperColumns.add(new SuperColumn(column.name(), subcolumns));
    }

    if (reverseOrder) Collections.reverse(thriftSuperColumns);

    return thriftSuperColumns;
  }
Exemplo n.º 2
0
  public List<Column> thriftifyColumns(Collection<IColumn> columns, boolean reverseOrder) {
    if (columns == null || columns.isEmpty()) {
      return EMPTY_COLUMNS;
    }

    ArrayList<Column> thriftColumns = new ArrayList<Column>(columns.size());
    for (IColumn column : columns) {
      if (column.isMarkedForDelete()) {
        continue;
      }
      Column thrift_column = new Column(column.name(), column.value(), column.timestamp());
      thriftColumns.add(thrift_column);
    }

    // we have to do the reversing here, since internally we pass results around in ColumnFamily
    // objects, which always sort their columns in the "natural" order
    if (reverseOrder) Collections.reverse(thriftColumns);
    return thriftColumns;
  }
Exemplo n.º 3
0
  @Test
  public void testRangeTombstones() throws IOException, ExecutionException, InterruptedException {
    Keyspace keyspace = Keyspace.open(KEYSPACE1);
    ColumnFamilyStore cfs = keyspace.getColumnFamilyStore("Standard2");
    cfs.clearUnsafe();

    // disable compaction while flushing
    cfs.disableAutoCompaction();

    final CFMetaData cfmeta = cfs.metadata;
    Directories dir = cfs.directories;

    ArrayList<DecoratedKey> keys = new ArrayList<DecoratedKey>();

    for (int i = 0; i < 4; i++) {
      keys.add(Util.dk("" + i));
    }

    ArrayBackedSortedColumns cf = ArrayBackedSortedColumns.factory.create(cfmeta);
    cf.addColumn(Util.column("01", "a", 1)); // this must not resurrect
    cf.addColumn(Util.column("a", "a", 3));
    cf.deletionInfo()
        .add(
            new RangeTombstone(
                Util.cellname("0"),
                Util.cellname("b"),
                2,
                (int) (System.currentTimeMillis() / 1000)),
            cfmeta.comparator);

    SSTableWriter writer =
        new SSTableWriter(
            cfs.getTempSSTablePath(dir.getDirectoryForNewSSTables()),
            0,
            0,
            cfs.metadata,
            StorageService.getPartitioner(),
            new MetadataCollector(cfs.metadata.comparator));

    writer.append(Util.dk("0"), cf);
    writer.append(Util.dk("1"), cf);
    writer.append(Util.dk("3"), cf);

    cfs.addSSTable(writer.closeAndOpenReader());
    writer =
        new SSTableWriter(
            cfs.getTempSSTablePath(dir.getDirectoryForNewSSTables()),
            0,
            0,
            cfs.metadata,
            StorageService.getPartitioner(),
            new MetadataCollector(cfs.metadata.comparator));

    writer.append(Util.dk("0"), cf);
    writer.append(Util.dk("1"), cf);
    writer.append(Util.dk("2"), cf);
    writer.append(Util.dk("3"), cf);
    cfs.addSSTable(writer.closeAndOpenReader());

    Collection<SSTableReader> toCompact = cfs.getSSTables();
    assert toCompact.size() == 2;

    // Force compaction on first sstables. Since each row is in only one sstable, we will be using
    // EchoedRow.
    Util.compact(cfs, toCompact);
    assertEquals(1, cfs.getSSTables().size());

    // Now assert we do have the 4 keys
    assertEquals(4, Util.getRangeSlice(cfs).size());

    ArrayList<DecoratedKey> k = new ArrayList<DecoratedKey>();
    for (Row r : Util.getRangeSlice(cfs)) {
      k.add(r.key);
      assertEquals(ByteBufferUtil.bytes("a"), r.cf.getColumn(Util.cellname("a")).value());
      assertNull(r.cf.getColumn(Util.cellname("01")));
      assertEquals(3, r.cf.getColumn(Util.cellname("a")).timestamp());
    }

    for (SSTableReader sstable : cfs.getSSTables()) {
      StatsMetadata stats = sstable.getSSTableMetadata();
      assertEquals(ByteBufferUtil.bytes("0"), stats.minColumnNames.get(0));
      assertEquals(ByteBufferUtil.bytes("b"), stats.maxColumnNames.get(0));
    }

    assertEquals(keys, k);
  }