Package org.apache.cassandra.db.filter

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

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        // Import JSON to another SSTable file
        File tempSS2 = createTemporarySSTable("Keyspace1", "Standard1");
        SSTableImport.importJson(tempJson.getPath(), "Keyspace1", "Standard1", tempSS2.getPath());       
       
        reader = SSTableAccessor.getSSTableReader(tempSS2.getPath(), DatabaseDescriptor.getPartitioner());
        NamesQueryFilter qf = new NamesQueryFilter("rowA", new QueryPath("Standard1", null, null), "name".getBytes());
        ColumnFamily cf = qf.getSSTableColumnIterator(reader).getColumnFamily();
        assertTrue(cf != null);
        assertTrue(Arrays.equals(cf.getColumn("name".getBytes()).value(), hexToBytes("76616c")));
    }
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        ColumnFamilyStore hintStore = Table.open(Table.SYSTEM_TABLE).getColumnFamilyStore(HINTS_CF);
        IPartitioner p = StorageService.getPartitioner();
        RowPosition minPos = p.getMinimumToken().minKeyBound();
        Range<RowPosition> range = new Range<RowPosition>(minPos, minPos, p);
        IFilter filter = new NamesQueryFilter(ImmutableSortedSet.<ByteBuffer>of());
        List<Row> rows = hintStore.getRangeSlice(null, range, Integer.MAX_VALUE, filter, null);
        for (Row row : rows)
        {
            Token<?> token = StorageService.getPartitioner().getTokenFactory().fromByteArray(row.key.key);
            InetAddress target = StorageService.instance.getTokenMetadata().getEndpoint(token);
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            }

            // avoid changing the filter columns of the original filter
            // (reduceNameFilter removes columns that are known to be irrelevant)
            TreeSet<ByteBuffer> filterColumns = new TreeSet<ByteBuffer>(((NamesQueryFilter) filter.filter).columns);
            QueryFilter reducedFilter = new QueryFilter(filter.key, filter.path, new NamesQueryFilter(filterColumns));

            /* add the SSTables on disk */
            Collections.sort(view.sstables, SSTable.maxTimestampComparator);

            // read sorted sstables
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        File tempSS = createTemporarySSTable("Keyspace1", "Standard1");
        SSTableImport.importJson(jsonUrl, "Keyspace1", "Standard1", tempSS.getPath());

        // Verify results
        SSTableReader reader = SSTableAccessor.getSSTableReader(tempSS.getPath(), DatabaseDescriptor.getPartitioner());
        NamesQueryFilter qf = new NamesQueryFilter("rowA", new QueryPath("Standard1", null, null), "colAA".getBytes());
        ColumnFamily cf = qf.getSSTableColumnIterator(reader).getColumnFamily();
        assert Arrays.equals(cf.getColumn("colAA".getBytes()).value(), hexToBytes("76616c4141"));
    }
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        File tempSS = createTemporarySSTable("Keyspace1", "Super4");
        SSTableImport.importJson(jsonUrl, "Keyspace1", "Super4", tempSS.getPath());
       
        // Verify results
        SSTableReader reader = SSTableAccessor.getSSTableReader(tempSS.getPath(), DatabaseDescriptor.getPartitioner());
        NamesQueryFilter qf = new NamesQueryFilter("rowA", new QueryPath("Super4", null, null), "superA".getBytes());
        ColumnFamily cf = qf.getSSTableColumnIterator(reader).getColumnFamily();
        IColumn superCol = cf.getColumn("superA".getBytes());
        assert Arrays.equals(superCol.getSubColumn("colAA".getBytes()).value(), hexToBytes("76616c75654141"));
    }
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        Table table = Table.open(Table.SYSTEM_TABLE);
        SortedSet<byte[]> columns = new TreeSet<byte[]>(new BytesType());
        columns.add(TOKEN);
        columns.add(GENERATION);
        columns.add(CLUSTERNAME);
        QueryFilter filter = new NamesQueryFilter(LOCATION_KEY, new QueryPath(STATUS_CF), columns);
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);

        IPartitioner p = StorageService.getPartitioner();
        if (cf == null)
        {
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    {
        Table table = null;
        try
        {
            table = Table.open(Table.SYSTEM_TABLE);
            QueryFilter filter = new NamesQueryFilter(BOOTSTRAP_KEY, new QueryPath(STATUS_CF), BOOTSTRAP);
            ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);
            return cf != null && cf.getColumn(BOOTSTRAP).value()[0] == 1;
        }
        catch (IOException e)
        {
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        {
            public void runMayThrow() throws IOException
            {
                SliceQueryFilter sliceFilter = new SliceQueryFilter("key1", new QueryPath("Standard2", null, null), ArrayUtils.EMPTY_BYTE_ARRAY, ArrayUtils.EMPTY_BYTE_ARRAY, false, 1);
                assertNull(store.getColumnFamily(sliceFilter));
                NamesQueryFilter namesFilter = new NamesQueryFilter("key1", new QueryPath("Standard2", null, null), "a".getBytes());
                assertNull(store.getColumnFamily(namesFilter));
            }
        };

        TableTest.reTest(store, r);
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        /* Read the system table to retrieve the storage ID and the generation */
        Table table = Table.open(Table.SYSTEM_TABLE);
        SortedSet<byte[]> columns = new TreeSet<byte[]>(new BytesType());
        columns.add(TOKEN);
        columns.add(GENERATION);
        QueryFilter filter = new NamesQueryFilter(LOCATION_KEY, new QueryPath(STATUS_CF), columns);
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);

        IPartitioner p = StorageService.getPartitioner();
        if (cf == null)
        {
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    {
        Table table = null;
        try
        {
            table = Table.open(Table.SYSTEM_TABLE);
            QueryFilter filter = new NamesQueryFilter(BOOTSTRAP_KEY, new QueryPath(STATUS_CF), BOOTSTRAP);
            ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);
            return cf != null && cf.getColumn(BOOTSTRAP).value()[0] == 1;
        }
        catch (IOException e)
        {
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Related Classes of org.apache.cassandra.db.filter.NamesQueryFilter

  • org.apache.cassandra.db.BatchlogManager
  • org.apache.cassandra.db.CollationController
  • org.apache.cassandra.db.ColumnFamilyStore
  • org.apache.cassandra.db.ColumnFamilyStoreTest
  • org.apache.cassandra.db.columniterator.SSTableNamesIterator
  • org.apache.cassandra.db.CommitLogTest
  • org.apache.cassandra.db.composites.CellName
  • org.apache.cassandra.db.CounterMutation
  • org.apache.cassandra.db.HintedHandOffManager
  • org.apache.cassandra.db.IColumn
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