Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.ColumnFamily.addColumn()

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        cfamily.addColumn(new QueryPath("Standard1", null, ByteBufferUtil.bytes("name")), ByteBufferUtil.bytes("val"), System.currentTimeMillis());
        writer.append(Util.dk("rowA"), cfamily);
        cfamily.clear();

        // Add rowExclude
        cfamily.addColumn(new QueryPath("Standard1", null, ByteBufferUtil.bytes("name")), ByteBufferUtil.bytes("val"), System.currentTimeMillis());
        writer.append(Util.dk("rowExclude"), cfamily);
        cfamily.clear();

        SSTableReader reader = writer.closeAndOpenReader();
       
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    public static ColumnFamily createCF(long mfda, int ldt, IColumn... cols)
    {
        ColumnFamily cf = ColumnFamily.create(TABLENAME, CFNAME);
        cf.delete(ldt, mfda);
        for (IColumn col : cols)
            cf.addColumn(col);
        return cf;
    }

    public static File tempSSTableFile(String tablename, String cfname) throws IOException
    {
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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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        // Verify results
        SSTableReader reader = SSTableReader.open(Descriptor.fromFilename(tempSS.getPath()));
        QueryFilter qf = QueryFilter.getIdentityFilter(Util.dk("rowA"), new QueryPath("Standard1"));
        IColumnIterator iter = qf.getSSTableColumnIterator(reader);
        ColumnFamily cf = iter.getColumnFamily();
        while (iter.hasNext()) cf.addColumn(iter.next());
        assert cf.getColumn(ByteBufferUtil.bytes("colAA")).value().equals(hexToBytes("76616c4141"));
        assert !(cf.getColumn(ByteBufferUtil.bytes("colAA")) instanceof DeletedColumn);
        IColumn expCol = cf.getColumn(ByteBufferUtil.bytes("colAC"));
        assert expCol.value().equals(hexToBytes("76616c4143"));
        assert expCol instanceof ExpiringColumn;
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            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);

        try
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                String[] fields = line.split("\1");
                String SuperColumnName = fields[1];
                String ColumnName = fields[2];
                String ColumnValue = fields[3];
                int timestamp = 0;
                columnFamily.addColumn(new QueryPath(cfName,
                                                     ByteBufferUtil.bytes(SuperColumnName),
                                                     ByteBufferUtil.bytes(ColumnName)),
                                       ByteBufferUtil.bytes(ColumnValue),
                                       timestamp);
            }
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    }

    private ColumnFamily createCF()
    {
        ColumnFamily cf = ColumnFamily.create(tableName, cfName);
        cf.addColumn(column("vijay", "great", 1));
        cf.addColumn(column("awesome", "vijay", 1));
        return cf;
    }
   
    @Test
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    private ColumnFamily createCF()
    {
        ColumnFamily cf = ColumnFamily.create(tableName, cfName);
        cf.addColumn(column("vijay", "great", 1));
        cf.addColumn(column("awesome", "vijay", 1));
        return cf;
    }
   
    @Test
    public void testHeapCache() throws InterruptedException
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{
    @Test
    public void testResolveSupersetNewer()
    {
        ColumnFamily cf1 = ColumnFamily.create("Keyspace1", "Standard1");
        cf1.addColumn(column("c1", "v1", 0));

        ColumnFamily cf2 = ColumnFamily.create("Keyspace1", "Standard1");
        cf2.addColumn(column("c1", "v2", 1));

        ColumnFamily resolved = RowRepairResolver.resolveSuperset(Arrays.asList(cf1, cf2));
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    {
        ColumnFamily cf1 = ColumnFamily.create("Keyspace1", "Standard1");
        cf1.addColumn(column("c1", "v1", 0));

        ColumnFamily cf2 = ColumnFamily.create("Keyspace1", "Standard1");
        cf2.addColumn(column("c1", "v2", 1));

        ColumnFamily resolved = RowRepairResolver.resolveSuperset(Arrays.asList(cf1, cf2));
        assertColumns(resolved, "c1");
        assertColumns(ColumnFamily.diff(cf1, resolved), "c1");
        assertNull(ColumnFamily.diff(cf2, resolved));
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