Package org.apache.cassandra.db.filter

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

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        for (String tableName : DatabaseDescriptor.getTables())
        {
            byte[] startColumn = ArrayUtils.EMPTY_BYTE_ARRAY;
            while (true)
            {
                QueryFilter filter = new SliceQueryFilter(tableName, new QueryPath(HINTS_CF), startColumn, ArrayUtils.EMPTY_BYTE_ARRAY, false, PAGE_SIZE);
                ColumnFamily hintColumnFamily = ColumnFamilyStore.removeDeleted(hintStore.getColumnFamily(filter), Integer.MAX_VALUE);
                if (pagingFinished(hintColumnFamily, startColumn))
                    break;
                Collection<IColumn> keys = hintColumnFamily.getSortedColumns();
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        this(table, key, new QueryPath(column_parent), start, finish, reversed, count);
    }

    public SliceFromReadCommand(String table, ByteBuffer key, QueryPath path, ByteBuffer start, ByteBuffer finish, boolean reversed, int count)
    {
        this(table, key, path, new SliceQueryFilter(start, finish, reversed, count));
    }
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            // We asked t (= count) live columns and got l (=liveCountInRow) ones.
            // From that, we can estimate that on this row, for x requested
            // columns, only l/t end up live after reconciliation. So for next
            // round we want to ask x column so that x * (l/t) == t, i.e. x = t^2/l.
            int retryCount = liveCountInRow == 0 ? count + 1 : ((count * count) / liveCountInRow) + 1;
            SliceQueryFilter newFilter = filter.withUpdatedCount(retryCount);
            return new RetriedSliceFromReadCommand(table, key, queryPath, newFilter, getOriginalRequestedCount());
        }

        return null;
    }
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    {
        boolean isDigest = dis.readBoolean();
        String table = dis.readUTF();
        ByteBuffer key = ByteBufferUtil.readWithShortLength(dis);
        QueryPath path = QueryPath.deserialize(dis);
        SliceQueryFilter filter = SliceQueryFilter.serializer.deserialize(dis, version);
        SliceFromReadCommand rm = new SliceFromReadCommand(table, key, path, filter);
        rm.setDigestQuery(isDigest);
        return rm;
    }
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            ss.addAll(sp.column_names);
            return new NamesQueryFilter(ss);
        }
        else
        {
            return new SliceQueryFilter(sr.start, sr.finish, sr.reversed, sr.count);
        }
    }
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        return trim(command, rows);
    }

    private static IDiskAtomFilter getEmptySlicePredicate()
    {
        return new SliceQueryFilter(ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                    ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                    false,
                                    -1);
    }
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        List<ReadCommand> commands = new ArrayList<ReadCommand>(keys.size());
        for (ByteBuffer key : keys)
            commands.add(new SliceFromReadCommand(keyspace(),
                                                  key,
                                                  new QueryPath(columnFamily()),
                                                  new SliceQueryFilter(slices, false, Integer.MAX_VALUE)));

        List<Row> rows = local
                       ? SelectStatement.readLocally(keyspace(), commands)
                       : StorageProxy.read(commands, cl);
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        for (String tableName : DatabaseDescriptor.getTables())
        {
            byte[] startColumn = ArrayUtils.EMPTY_BYTE_ARRAY;
            while (true)
            {
                QueryFilter filter = new SliceQueryFilter(tableName, new QueryPath(HINTS_CF), startColumn, ArrayUtils.EMPTY_BYTE_ARRAY, false, PAGE_SIZE);
                ColumnFamily hintColumnFamily = ColumnFamilyStore.removeDeleted(hintStore.getColumnFamily(filter), Integer.MAX_VALUE);
                if (pagingFinished(hintColumnFamily, startColumn))
                    break;
                Collection<IColumn> keys = hintColumnFamily.getSortedColumns();
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        for (String tableName : DatabaseDescriptor.getTables())
        {
            byte[] startColumn = ArrayUtils.EMPTY_BYTE_ARRAY;
            while (true)
            {
                QueryFilter filter = new SliceQueryFilter(tableName, new QueryPath(HINTS_CF), startColumn, ArrayUtils.EMPTY_BYTE_ARRAY, false, PAGE_SIZE);
                ColumnFamily hintColumnFamily = ColumnFamilyStore.removeDeleted(hintStore.getColumnFamily(filter), Integer.MAX_VALUE);
                if (pagingFinished(hintColumnFamily, startColumn))
                    break;
                Collection<IColumn> keys = hintColumnFamily.getSortedColumns();
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        Runnable r = new WrappedRunnable()
        {
            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));
            }
        };
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Related Classes of org.apache.cassandra.db.filter.SliceQueryFilter

  • com.stratio.cassandra.index.FullKeyMapperDataRangeFilter
  • com.stratio.cassandra.index.RowServiceWide
  • org.apache.cassandra.cql3.statements.ModificationStatement
  • org.apache.cassandra.cql3.statements.ModificationStatement$CQL3CasConditions
  • org.apache.cassandra.db.ColumnFamilyStore
  • org.apache.cassandra.db.ColumnFamilyStoreTest
  • org.apache.cassandra.db.columniterator.OnDiskAtomIterator
  • org.apache.cassandra.db.columniterator.SSTableSliceIterator
  • org.apache.cassandra.db.composites.CellName
  • org.apache.cassandra.db.composites.CellNameType
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