Package org.apache.cassandra.db.filter

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

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        if (oldStatusCfs.getSSTables().size() > 0)
        {
            SortedSet<ByteBuffer> cols = new TreeSet<ByteBuffer>(BytesType.instance);
            cols.add(ByteBufferUtil.bytes("ClusterName"));
            cols.add(ByteBufferUtil.bytes("Token"));
            QueryFilter filter = QueryFilter.getNamesFilter(decorate(ByteBufferUtil.bytes("L")), new QueryPath(OLD_STATUS_CF), cols);
            ColumnFamily oldCf = oldStatusCfs.getColumnFamily(filter);
            Iterator<IColumn> oldColumns = oldCf.columns.iterator();

            String clusterName = null;
            try
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    }

    public static boolean isIndexBuilt(String table, String indexName)
    {
        ColumnFamilyStore cfs = Table.open(Table.SYSTEM_KS).getColumnFamilyStore(INDEX_CF);
        QueryFilter filter = QueryFilter.getNamesFilter(decorate(ByteBufferUtil.bytes(table)),
                                                        new QueryPath(INDEX_CF),
                                                        ByteBufferUtil.bytes(indexName));
        return ColumnFamilyStore.removeDeleted(cfs.getColumnFamily(filter), Integer.MAX_VALUE) != null;
    }
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    public static CounterId getCurrentLocalCounterId()
    {
        Table table = Table.open(Table.SYSTEM_KS);

        // Get the last CounterId (since CounterId are timeuuid is thus ordered from the older to the newer one)
        QueryFilter filter = QueryFilter.getSliceFilter(decorate(ALL_LOCAL_NODE_ID_KEY),
                                                        new QueryPath(COUNTER_ID_CF),
                                                        ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                                        ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                                        true,
                                                        1);
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    public static List<CounterId.CounterIdRecord> getOldLocalCounterIds()
    {
        List<CounterId.CounterIdRecord> l = new ArrayList<CounterId.CounterIdRecord>();

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

        CounterId previous = null;
        for (IColumn c : cf)
        {
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               : range;

        DecoratedKey startWith = new DecoratedKey(range.left, null);
        DecoratedKey stopAt = new DecoratedKey(range.right, null);

        QueryFilter filter = new QueryFilter(null, new QueryPath(columnFamily, superColumn, null), columnFilter);
        int gcBefore = (int)(System.currentTimeMillis() / 1000) - metadata.getGcGraceSeconds();

        List<Row> rows;
        ViewFragment view = markReferenced(startWith, stopAt);
        try
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    public static UUID getLastMigrationId()
    {
        DecoratedKey<?> dkey = StorageService.getPartitioner().decorateKey(LAST_MIGRATION_KEY);
        Table defs = Table.open(Table.SYSTEM_TABLE);
        ColumnFamilyStore cfStore = defs.getColumnFamilyStore(DefsTable.OLD_SCHEMA_CF);
        QueryFilter filter = QueryFilter.getNamesFilter(dkey, new QueryPath(DefsTable.OLD_SCHEMA_CF), LAST_MIGRATION_KEY);
        ColumnFamily cf = cfStore.getColumnFamily(filter);
        if (cf == null || cf.getColumnNames().size() == 0)
            return null;
        else
            return UUIDGen.getUUID(cf.getColumn(LAST_MIGRATION_KEY).value());
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        }
    }

    private static ColumnFamily readCurrentIndexedColumns(DecoratedKey<?> key, ColumnFamilyStore cfs, SortedSet<ByteBuffer> mutatedIndexedColumns)
    {
        QueryFilter filter = QueryFilter.getNamesFilter(key, new QueryPath(cfs.getColumnFamilyName()), mutatedIndexedColumns);
        return cfs.getColumnFamily(filter);
    }
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        store.forceBlockingFlush();

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

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

        // Remove key
        rm = new RowMutation(TABLE1, key.key);
        rm.delete(new QueryPath(cfname, null, null), 2);
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    /** if hints become incompatible across versions of cassandra, that logic (and associated purging) is managed here. */
    private static void purgeIncompatibleHints() throws IOException
    {
        ByteBuffer upgradeMarker = ByteBufferUtil.bytes("Pre-1.0 hints purged");
        Table table = Table.open(Table.SYSTEM_TABLE);
        QueryFilter filter = QueryFilter.getNamesFilter(decorate(COOKIE_KEY), new QueryPath(STATUS_CF), upgradeMarker);
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);
        if (cf != null)
        {
            logger.debug("Pre-1.0 hints already purged");
            return;
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    public static HashMap<Token, InetAddress> loadTokens()
    {
        HashMap<Token, InetAddress> tokenMap = new HashMap<Token, InetAddress>();
        IPartitioner p = StorageService.getPartitioner();
        Table table = Table.open(Table.SYSTEM_TABLE);
        QueryFilter filter = QueryFilter.getIdentityFilter(decorate(RING_KEY), new QueryPath(STATUS_CF));
        ColumnFamily cf = ColumnFamilyStore.removeDeleted(table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter), Integer.MAX_VALUE);
        if (cf != null)
        {
            for (IColumn column : cf.getSortedColumns())
            {
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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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