Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.Column

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        {
            byte[] name = new byte[in.readInt()];
            in.readFully(name);
            byte[] value = new byte[in.readInt()];
            in.readFully(value);
            cols.add(new Column(ByteBuffer.wrap(name), ByteBuffer.wrap(value)));
        }
        in.close();
        return cols;
    }
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    {
        ColumnFamily baseColumnFamily;
        DataOutputBuffer bufOut = new DataOutputBuffer();
        RowMutation rm;
        Message message;
        Column column;

        /* Get the first column family from list, this is just to get past validation */
        baseColumnFamily = new ColumnFamily(ColumnFamilyType.Standard,
                                            DatabaseDescriptor.getComparator(keyspace, columnFamily),
                                            DatabaseDescriptor.getSubComparator(keyspace, columnFamily),
                                            CFMetaData.getId(keyspace, columnFamily));
       
        for(ColumnFamily cf : columnFamilies) {
            bufOut.reset();
            ColumnFamily.serializer().serializeWithIndexes(cf, bufOut);
            byte[] data = new byte[bufOut.getLength()];
            System.arraycopy(bufOut.getData(), 0, data, 0, bufOut.getLength());

            column = new Column(FBUtilities.toByteBuffer(cf.id()), ByteBuffer.wrap(data), 0);
            baseColumnFamily.addColumn(column);
        }
        rm = new RowMutation(keyspace, ByteBuffer.wrap(key));
        rm.add(baseColumnFamily);

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        {
            byte[] name = new byte[in.readInt()];
            in.readFully(name);
            byte[] value = new byte[in.readInt()];
            in.readFully(value);
            cols.add(new Column(ByteBuffer.wrap(name), ByteBuffer.wrap(value)));
        }
        in.close();
        return cols;
    }
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    {
        ColumnFamily baseColumnFamily;
        DataOutputBuffer bufOut = new DataOutputBuffer();
        RowMutation rm;
        Message message;
        Column column;

        /* Get the first column family from list, this is just to get past validation */
        baseColumnFamily = new ColumnFamily(ColumnFamilyType.Standard,
                                            DatabaseDescriptor.getComparator(keyspace, columnFamily),
                                            DatabaseDescriptor.getSubComparator(keyspace, columnFamily),
                                            CFMetaData.getId(keyspace, columnFamily));
       
        for(ColumnFamily cf : columnFamilies) {
            bufOut.reset();
            ColumnFamily.serializer().serializeWithIndexes(cf, bufOut);
            byte[] data = new byte[bufOut.getLength()];
            System.arraycopy(bufOut.getData(), 0, data, 0, bufOut.getLength());

            column = new Column(FBUtilities.toByteBuffer(cf.id()), ByteBuffer.wrap(data), 0);
            baseColumnFamily.addColumn(column);
        }
        rm = new RowMutation(keyspace, ByteBuffer.wrap(key));
        rm.add(baseColumnFamily);

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        {
            byte[] name = new byte[in.readInt()];
            in.readFully(name);
            byte[] value = new byte[in.readInt()];
            in.readFully(value);
            cols.add(new Column(ByteBuffer.wrap(name), ByteBuffer.wrap(value)));
        }
        in.close();
        return cols;
    }
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    {
        ColumnFamily baseColumnFamily;
        DataOutputBuffer bufOut = new DataOutputBuffer();
        RowMutation rm;
        Message message;
        Column column;

        /* Get the first column family from list, this is just to get past validation */
        baseColumnFamily = new ColumnFamily(CFName, "Standard",DatabaseDescriptor.getComparator(Keyspace, CFName), DatabaseDescriptor.getSubComparator(Keyspace, CFName));
       
        for(ColumnFamily cf : ColumnFamiles) {
            bufOut.reset();
            try
            {
                ColumnFamily.serializer().serializeWithIndexes(cf, bufOut);
                byte[] data = new byte[bufOut.getLength()];
                System.arraycopy(bufOut.getData(), 0, data, 0, bufOut.getLength());

                column = new Column(cf.name().getBytes("UTF-8"), data, 0, false);
                baseColumnFamily.addColumn(column);
            }
            catch (IOException e)
            {
                throw new RuntimeException(e);
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            {
                ColumnDef cdef = itera.next();
                ByteBuffer columnValue = columns.get(ByteBufferUtil.string(cdef.name.duplicate()));
                if (columnValue != null)
                {
                    IColumn column = new Column(cdef.name, columnValue);
                    AbstractType<?> validator = getValidatorMap(cfDef).get(column.name());
                    setTupleValue(tuple, i, cqlColumnToObj(column, cfDef), validator);
                }
                else
                    tuple.set(i, null);
                i++;
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        {
            Map<String, ColumnFamily> map = new HashMap<String, ColumnFamily>();
            for (String key : keys)
            {
                ColumnFamily cf = ColumnFamily.create(ksname, cfname);
                cf.addColumn(new Column(ByteBufferUtil.bytes(key), ByteBufferUtil.bytes(key), 0));
                map.put(key, cf);
            }
            return write(map);
        }
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        return new KeysSearcher(baseCfs.indexManager, columns);
    }

    public boolean isIndexEntryStale(ByteBuffer indexedValue, ColumnFamily data, long now)
    {
        Column liveColumn = data.getColumn(columnDef.name);
        if (liveColumn == null || liveColumn.isMarkedForDelete(now))
            return true;

        ByteBuffer liveValue = liveColumn.value();
        return columnDef.getValidator().compare(indexedValue, liveValue) != 0;
    }
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        File tempSS = tempSSTableFile("Keyspace1", "ValuesWithQuotes");
        ColumnFamily cfamily = TreeMapBackedSortedColumns.factory.create("Keyspace1", "ValuesWithQuotes");
        SSTableWriter writer = new SSTableWriter(tempSS.getPath(), 2);

        // Add rowA
        cfamily.addColumn(new Column(ByteBufferUtil.bytes("data"), UTF8Type.instance.fromString("{\"foo\":\"bar\"}")));
        writer.append(Util.dk("rowA"), cfamily);
        cfamily.clear();

        SSTableReader reader = writer.closeAndOpenReader();
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  • org.apache.cassandra.cql3.CFDefinition
  • org.apache.cassandra.cql3.Lists$Discarder
  • org.apache.cassandra.db.clock.TimestampReconcilerTest
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  • org.apache.cassandra.db.index.keys.KeysIndex
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  • org.apache.cassandra.hadoop.ColumnFamilyOutputReducer
  • org.apache.cassandra.hadoop.ColumnFamilyRecordReader$RowIterator
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