Package org.apache.cassandra.thrift

Examples of org.apache.cassandra.thrift.IndexClause

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        {
            String keyspace = in.readUTF();
            String columnFamily = in.readUTF();

            TDeserializer dser = new TDeserializer(new TBinaryProtocol.Factory());
            IndexClause indexClause = new IndexClause();
            FBUtilities.deserialize(dser, indexClause, in);
            SlicePredicate predicate = new SlicePredicate();
            FBUtilities.deserialize(dser, predicate, in);
            AbstractBounds range = AbstractBounds.serializer().deserialize(in);
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        assert null != cfs.getColumnFamily(QueryFilter.getIdentityFilter(Util.dk("key1"), new QueryPath(cfs.columnFamily)));
        assert null != cfs.getColumnFamily(QueryFilter.getIdentityFilter(Util.dk("key3"), new QueryPath(cfs.columnFamily)));

        // and that the secondary index works
        IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(3L));
        IndexClause clause = new IndexClause(Arrays.asList(expr), ByteBufferUtil.EMPTY_BYTE_BUFFER, 100);
        IFilter filter = new IdentityQueryFilter();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        rows = cfs.scan(clause, range, filter);
        assertEquals(1, rows.size());
        assert rows.get(0).key.key.equals( ByteBufferUtil.bytes("key3")) ;
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            assert version < MessagingService.VERSION_12; // 1.2 only uses RangeScanCommand

            String keyspace = in.readUTF();
            String columnFamily = in.readUTF();

            IndexClause indexClause = new IndexClause();
            SlicePredicate predicate = new SlicePredicate();
            TDeserializer dser = new TDeserializer(new TBinaryProtocol.Factory());
            FBUtilities.deserialize(dser, indexClause, in);
            FBUtilities.deserialize(dser, predicate, in);
            AbstractBounds<RowPosition> range = AbstractBounds.serializer.deserialize(in, version).toRowBounds();
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    /** convert a list of index expression to string */
    private static String indexExpressionsToString(List<IndexExpression> indexExpressions)
    {
        assert indexExpressions != null;
        // oh, you thought cfdefToString was awful?
        IndexClause indexClause = new IndexClause();
        indexClause.setExpressions(indexExpressions);
        indexClause.setStart_key("".getBytes());
        TSerializer serializer = new TSerializer(new TBinaryProtocol.Factory());
        try
        {
            return Hex.bytesToHex(serializer.serialize(indexClause));
        }
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    /** convert string to a list of index expression */
    private static List<IndexExpression> indexExpressionsFromString(String ie)
    {
        assert ie != null;
        TDeserializer deserializer = new TDeserializer(new TBinaryProtocol.Factory());
        IndexClause indexClause = new IndexClause();
        try
        {
            deserializer.deserialize(indexClause, Hex.hexToBytes(ie));
        }
        catch (TException e)
        {
            throw new RuntimeException(e);
        }
        return indexClause.getExpressions();
    }
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        if (start instanceof DecoratedKey)
        {
            startKey = ((DecoratedKey)start).key;
        }

        IndexClause clause = new IndexClause(row_filter, startKey, maxResults);
        // IndexScanCommand is deprecated so don't bother
        SlicePredicate pred = RangeSliceCommandSerializer.asSlicePredicate(predicate);
        return new IndexScanCommand(keyspace, column_family, clause, pred, range);
    }
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        rm.add(new QueryPath("Indexed1", null, "birthdate".getBytes("UTF8")), FBUtilities.toByteArray(3L), new TimestampClock(0));
        rm.apply();

        // basic single-expression query
        IndexExpression expr = new IndexExpression("birthdate".getBytes("UTF8"), IndexOperator.EQ, FBUtilities.toByteArray(1L));
        IndexClause clause = new IndexClause(Arrays.asList(expr), ArrayUtils.EMPTY_BYTE_ARRAY, 100);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = Table.open("Keyspace1").getColumnFamilyStore("Indexed1").scan(clause, range, filter);

        assert rows != null;
        assert rows.size() == 2 : StringUtils.join(rows, ",");
        assert Arrays.equals("k1".getBytes(), rows.get(0).key.key);
        assert Arrays.equals("k3".getBytes(), rows.get(1).key.key);
        assert Arrays.equals(FBUtilities.toByteArray(1L), rows.get(0).cf.getColumn("birthdate".getBytes("UTF8")).value());
        assert Arrays.equals(FBUtilities.toByteArray(1L), rows.get(1).cf.getColumn("birthdate".getBytes("UTF8")).value());

        // add a second expression
        IndexExpression expr2 = new IndexExpression("notbirthdate".getBytes("UTF8"), IndexOperator.GTE, FBUtilities.toByteArray(2L));
        clause = new IndexClause(Arrays.asList(expr, expr2), ArrayUtils.EMPTY_BYTE_ARRAY, 100);
        rows = Table.open("Keyspace1").getColumnFamilyStore("Indexed1").scan(clause, range, filter);

        assert rows.size() == 1 : StringUtils.join(rows, ",");
        assert Arrays.equals("k3".getBytes(), rows.get(0).key.key);
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        rm = new RowMutation("Keyspace2", "k1".getBytes());
        rm.add(new QueryPath("Indexed1", null, "birthdate".getBytes("UTF8")), FBUtilities.toByteArray(2L), new TimestampClock(2));
        rm.apply();

        IndexExpression expr = new IndexExpression("birthdate".getBytes("UTF8"), IndexOperator.EQ, FBUtilities.toByteArray(1L));
        IndexClause clause = new IndexClause(Arrays.asList(expr), ArrayUtils.EMPTY_BYTE_ARRAY, 100);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = table.getColumnFamilyStore("Indexed1").scan(clause, range, filter);
        assert rows.size() == 0;

        expr = new IndexExpression("birthdate".getBytes("UTF8"), IndexOperator.EQ, FBUtilities.toByteArray(2L));
        clause = new IndexClause(Arrays.asList(expr), ArrayUtils.EMPTY_BYTE_ARRAY, 100);
        rows = table.getColumnFamilyStore("Indexed1").scan(clause, range, filter);
        assert Arrays.equals("k1".getBytes(), rows.get(0).key.key);

        // update the birthdate value with an OLDER timestamp, and test that the index ignores this
        rm = new RowMutation("Keyspace2", "k1".getBytes());
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        cfs.addIndex(cd);
        while (!SystemTable.isIndexBuilt("Keyspace1", cfs.getIndexedColumnFamilyStore("birthdate".getBytes("UTF8")).columnFamily))
            TimeUnit.MILLISECONDS.sleep(100);

        IndexExpression expr = new IndexExpression("birthdate".getBytes("UTF8"), IndexOperator.EQ, FBUtilities.toByteArray(1L));
        IndexClause clause = new IndexClause(Arrays.asList(expr), ArrayUtils.EMPTY_BYTE_ARRAY, 100);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = table.getColumnFamilyStore("Indexed2").scan(clause, range, filter);
        assert rows.size() == 1 : StringUtils.join(rows, ",");
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        ColumnFamilyStore cfs = Table.open("Keyspace1").getColumnFamilyStore("Indexed1");
        cfs.addSSTable(sstr);
        cfs.buildSecondaryIndexes(cfs.getSSTables(), cfs.getIndexedColumns());
       
        IndexExpression expr = new IndexExpression("birthdate".getBytes("UTF8"), IndexOperator.EQ, FBUtilities.toByteArray(1L));
        IndexClause clause = new IndexClause(Arrays.asList(expr), "".getBytes(), 100);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = cfs.scan(clause, range, filter);
       
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