Package org.apache.cassandra.db.filter

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

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        }
       
        SortedSet<ByteBuffer> cols = new TreeSet<ByteBuffer>(BytesType.instance);
        cols.add(PARTITIONER);
        cols.add(CLUSTERNAME);
        QueryFilter filter = QueryFilter.getNamesFilter(decorate(LOCATION_KEY), new QueryPath(STATUS_CF), cols);
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);
       
        if (cf == null)
        {
            // this is either a brand new node (there will be no files), or the partitioner was changed from RP to OPP.
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    }

    public static Token getSavedToken()
    {
        Table table = Table.open(Table.SYSTEM_TABLE);
        QueryFilter filter = QueryFilter.getNamesFilter(decorate(LOCATION_KEY), new QueryPath(STATUS_CF), TOKEN);
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);
        return cf == null ? null : StorageService.getPartitioner().getTokenFactory().fromByteArray(cf.getColumn(TOKEN).value());
    }
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    }

    public static int incrementAndGetGeneration() throws IOException
    {
        Table table = Table.open(Table.SYSTEM_TABLE);
        QueryFilter filter = QueryFilter.getNamesFilter(decorate(LOCATION_KEY), new QueryPath(STATUS_CF), GENERATION);
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);

        int generation;
        if (cf == null)
        {
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    }
   
    public static boolean isBootstrapped()
    {
        Table table = Table.open(Table.SYSTEM_TABLE);
        QueryFilter filter = QueryFilter.getNamesFilter(decorate(BOOTSTRAP_KEY),
                                                        new QueryPath(STATUS_CF),
                                                        BOOTSTRAP);
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);
        if (cf == null)
            return false;
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    }

    public static boolean isIndexBuilt(String table, String indexName)
    {
        ColumnFamilyStore cfs = Table.open(Table.SYSTEM_TABLE).getColumnFamilyStore(INDEX_CF);
        QueryFilter filter = QueryFilter.getNamesFilter(decorate(ByteBufferUtil.bytes(table)),
                                                        new QueryPath(INDEX_CF),
                                                        ByteBufferUtil.bytes(indexName));
        return cfs.getColumnFamily(filter) != null;
    }
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     */
    public static NodeId getCurrentLocalNodeId()
    {
        ByteBuffer id = null;
        Table table = Table.open(Table.SYSTEM_TABLE);
        QueryFilter filter = QueryFilter.getIdentityFilter(decorate(CURRENT_LOCAL_NODE_ID_KEY),
                new QueryPath(NODE_ID_CF));
        ColumnFamily cf = table.getColumnFamilyStore(NODE_ID_CF).getColumnFamily(filter);
        if (cf != null)
        {
            // Even though gc_grace==0 on System table, we can have a race where we get back tombstones (see CASSANDRA-2824)
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    public static List<NodeId.NodeIdRecord> getOldLocalNodeIds()
    {
        List<NodeId.NodeIdRecord> l = new ArrayList<NodeId.NodeIdRecord>();

        Table table = Table.open(Table.SYSTEM_TABLE);
        QueryFilter filter = QueryFilter.getIdentityFilter(decorate(ALL_LOCAL_NODE_ID_KEY),
                new QueryPath(NODE_ID_CF));
        ColumnFamily cf = table.getColumnFamilyStore(NODE_ID_CF).getColumnFamily(filter);

        NodeId previous = null;
        for (IColumn c : cf)
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        ByteBuffer startColumn = ByteBufferUtil.EMPTY_BYTE_BUFFER;

        delivery:
        while (true)
        {
            QueryFilter filter = QueryFilter.getSliceFilter(epkey, new QueryPath(HINTS_CF), startColumn, ByteBufferUtil.EMPTY_BYTE_BUFFER, false, PAGE_SIZE);
            ColumnFamily hintColumnFamily = ColumnFamilyStore.removeDeleted(hintStore.getColumnFamily(filter), Integer.MAX_VALUE);
            if (pagingFinished(hintColumnFamily, startColumn))
                break;

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

        // check that the shadowed column is gone
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        SSTableScanner scanner = sstable.getScanner(new QueryFilter(null, new QueryPath("Super1", scName), new IdentityQueryFilter()));
        scanner.seekTo(key);
        IColumnIterator iter = scanner.next();
        assertEquals(key, iter.getKey());
        SuperColumn sc = (SuperColumn) iter.next();
        assert sc.getSubColumns().isEmpty();
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        cfs.forceBlockingFlush();

        Collection<SSTableReader> sstablesBefore = cfs.getSSTables();

        QueryFilter filter = QueryFilter.getIdentityFilter(key, new QueryPath(cfname, null, null));
        assert !cfs.getColumnFamily(filter).isEmpty();

        // Remove key
        rm = new RowMutation(TABLE1, key.key);
        rm.delete(new QueryPath(cfname, null, null), 2);
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Related Classes of org.apache.cassandra.db.filter.QueryFilter

  • com.stratio.cassandra.index.RowServiceSkinny
  • com.stratio.cassandra.index.RowServiceWide
  • org.apache.cassandra.db.BatchlogManager
  • org.apache.cassandra.db.Cell
  • org.apache.cassandra.db.CollationController
  • org.apache.cassandra.db.CollationControllerTest
  • org.apache.cassandra.db.ColumnFamily
  • org.apache.cassandra.db.ColumnFamilyStore
  • org.apache.cassandra.db.ColumnFamilyStoreTest
  • org.apache.cassandra.db.columniterator.IdentityQueryFilter
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