Examples with ColumnFamily org.apache.cassandra.db.ColumnFamily used on opensource projects

Example 36 with ColumnFamily

use of org.apache.cassandra.db.ColumnFamily in project eiger by wlloyd.

the class CompactionsPurgeTest method testCompactionPurgeTombstonedSuperColumn.

@Test
public void testCompactionPurgeTombstonedSuperColumn() throws IOException, ExecutionException, InterruptedException {
    CompactionManager.instance.disableAutoCompaction();
    String tableName = "Keyspace1";
    String cfName = "Super5";
    Table table = Table.open(tableName);
    ColumnFamilyStore cfs = table.getColumnFamilyStore(cfName);
    DecoratedKey key = Util.dk("key5");
    RowMutation rm;
    ByteBuffer scName = ByteBufferUtil.bytes("sc");
    // inserts
    rm = new RowMutation(tableName, key.key);
    for (int i = 0; i < 10; i++) {
        rm.add(new QueryPath(cfName, scName, ByteBuffer.wrap(String.valueOf(i).getBytes())), ByteBufferUtil.EMPTY_BYTE_BUFFER, i);
    }
    rm.apply();
    // deletes supercolumn with timestamp such that not all columns go
    rm = new RowMutation(tableName, key.key);
    rm.delete(new QueryPath(cfName, scName, null), 4);
    rm.apply();
    // flush and major compact
    cfs.forceBlockingFlush();
    Util.compactAll(cfs).get();
    // re-inserts with timestamp lower than delete
    rm = new RowMutation(tableName, key.key);
    for (int i = 0; i < 5; i++) {
        rm.add(new QueryPath(cfName, scName, ByteBuffer.wrap(String.valueOf(i).getBytes())), ByteBufferUtil.EMPTY_BYTE_BUFFER, i);
    }
    rm.apply();
    // Check that the second insert did went in
    ColumnFamily cf = cfs.getColumnFamily(QueryFilter.getIdentityFilter(key, new QueryPath(cfName)));
    SuperColumn sc = (SuperColumn) cf.getColumn(scName);
    assert sc != null;
    assertEquals(10, sc.getColumnCount());
}