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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        File tempSS = tempSSTableFile("Keyspace1", "Counter1");
        ColumnFamily cfamily = ColumnFamily.create("Keyspace1", "Counter1");
        SSTableWriter writer = new SSTableWriter(tempSS.getPath(), 2);

        // Add rowA
        cfamily.addColumn(null, new CounterColumn(ByteBufferUtil.bytes("colA"), 42, System.currentTimeMillis()));
        writer.append(Util.dk("rowA"), cfamily);
        cfamily.clear();

        SSTableReader reader = writer.closeAndOpenReader();
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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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        // 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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        // Verify results
        SSTableReader reader = SSTableReader.open(Descriptor.fromFilename(tempSS.getPath()));
        QueryFilter qf = QueryFilter.getIdentityFilter(Util.dk("rowA"), new QueryPath("Counter1"));
        IColumnIterator iter = qf.getSSTableColumnIterator(reader);
        ColumnFamily cf = iter.getColumnFamily();
        while (iter.hasNext()) cf.addColumn(iter.next());
        IColumn c = cf.getColumn(ByteBufferUtil.bytes("colAA"));
        assert c instanceof CounterColumn: c;
        assert ((CounterColumn) c).total() == 42;
    }
}
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    }

    private ColumnFamily createCF()
    {
        ColumnFamily cf = ColumnFamily.create("Keyspace1", "Standard1");
        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("Keyspace1", "Standard1");
        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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    @Test
    public void testResolveSupersetDisjoint()
    {
        ColumnFamily cf1 = ColumnFamily.create("Keyspace1", "Standard1");
        cf1.addColumn(column("c1", "v1", 0));

        ColumnFamily cf2 = ColumnFamily.create("Keyspace1", "Standard1");
        cf2.addColumn(column("c2", "v2", 1));

        ColumnFamily resolved = RowRepairResolver.resolveSuperset(Arrays.asList(cf1, cf2));
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