Package org.apache.cassandra.db.filter

Examples of org.apache.cassandra.db.filter.QueryPath

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        Table table = Table.open("Keyspace1");
        ColumnFamilyStore cfs = table.getColumnFamilyStore("Standard1");

        ByteBuffer key = ByteBufferUtil.bytes("k");
        RowMutation rm = new RowMutation("Keyspace1", key);
        rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("c")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("d")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.apply();
        cfs.forceBlockingFlush();

        assertBytes(cfs, Integer.MAX_VALUE);
        assertDigest(cfs, Integer.MAX_VALUE);
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        ColumnFamilyStore cfs = table.getColumnFamilyStore("Standard1");

        ByteBuffer key = ByteBuffer.wrap("k".getBytes());
        RowMutation rm = new RowMutation("Keyspace1", key);
        for (int i = 0; i < 1000; i++)
            rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes(i)), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.apply();
        DataOutputBuffer out = new DataOutputBuffer();
        RowMutation.serializer.serialize(rm, out, MessagingService.current_version);
        assert out.getLength() > DatabaseDescriptor.getColumnIndexSize();
        cfs.forceBlockingFlush();
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        Table table = Table.open("Keyspace1");
        ColumnFamilyStore cfs = table.getColumnFamilyStore("Standard1");

        ByteBuffer key = ByteBufferUtil.bytes("k");
        RowMutation rm = new RowMutation("Keyspace1", key);
        rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("c")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.apply();
        cfs.forceBlockingFlush();

        rm.apply();
        cfs.forceBlockingFlush();
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        Table table = Table.open("Keyspace1");
        ColumnFamilyStore cfs = table.getColumnFamilyStore("Standard1");

        ByteBuffer key = ByteBufferUtil.bytes("k");
        RowMutation rm = new RowMutation("Keyspace1", key);
        rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("c")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("d")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.apply();
        cfs.forceBlockingFlush();

        rm.apply();
        cfs.forceBlockingFlush();
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        final int ROWS_PER_SSTABLE = 10;
        for (int j = 0; j < (DatabaseDescriptor.getIndexInterval() * 3) / ROWS_PER_SSTABLE; j++) {
            for (int i = 0; i < ROWS_PER_SSTABLE; i++) {
                ByteBuffer key = ByteBufferUtil.bytes(String.valueOf(i % 2));
                RowMutation rm = new RowMutation("Keyspace1", key);
                rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes(String.valueOf(i / 2))), ByteBufferUtil.EMPTY_BYTE_BUFFER, j * ROWS_PER_SSTABLE + i);
                rm.apply();
            }
            cfs.forceBlockingFlush();
        }

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        ColumnFamilyStore cfs = table.getColumnFamilyStore("Super5");

        ByteBuffer key = ByteBufferUtil.bytes("k");
        RowMutation rm = new RowMutation("Keyspace4", key);
        ByteBuffer scKey = ByteBuffer.wrap(UUIDGen.decompose(UUIDGen.makeType1UUIDFromHost(FBUtilities.getBroadcastAddress())));
        rm.add(new QueryPath("Super5", scKey , ByteBufferUtil.bytes("c")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.apply();
        cfs.forceBlockingFlush();

        rm.apply();
        cfs.forceBlockingFlush();
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        assert cfm != null;

        for (Object c : row)
        {
            JsonColumn col = new JsonColumn<List>((List) c);
            QueryPath path = new QueryPath(cfm.cfName, superName, col.getName());

            if (col.ttl > 0)
            {
                cfamily.addColumn(null, new ExpiringColumn(col.getName(), col.getValue(), col.timestamp, col.ttl, col.localExpirationTime));
            }
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            return null;

        // mimic the collectCollatedColumn + removeDeleted path that getColumnFamily takes.
        // this will handle removing columns and subcolumns that are supressed by a row or
        // supercolumn tombstone.
        QueryFilter filter = new QueryFilter(null, new QueryPath(resolved.metadata().cfName), new IdentityQueryFilter());
        CollatingIterator iter = new CollatingIterator(resolved.metadata().comparator.columnComparator);
        for (ColumnFamily version : versions)
        {
            if (version == null)
                continue;
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        // FIXME: This is repetitive.
        ByteBuffer column, super_column;
        column = columnPath.column == null ? null : columnPath.column;
        super_column = columnPath.super_column == null ? null : columnPath.super_column;
       
        QueryPath path = new QueryPath(columnPath.column_family.toString(), column == null ? null : super_column);
        List<ByteBuffer> nameAsList = Arrays.asList(column == null ? super_column : column);
        AvroValidation.validateKey(key);
        ReadCommand command = new SliceByNamesReadCommand(state().getKeyspace(), key, path, nameAsList);
       
        Map<DecoratedKey<?>, ColumnFamily> cfamilies = readColumnFamily(Arrays.asList(command), consistencyLevel);
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    throws InvalidRequestException, UnavailableException, TimedOutException
    {
        AvroValidation.validateColumnParent(keyspace, columnParent);
        AvroValidation.validatePredicate(keyspace, columnParent, predicate);
       
        QueryPath queryPath = new QueryPath(columnParent.column_family.toString(), columnParent.super_column);

        List<ReadCommand> commands = new ArrayList<ReadCommand>();
        if (predicate.column_names != null)
        {
            for (ByteBuffer key : keys)
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