Bug 192829 Aggregation binding filter doesn't work for crosstab
The filter condition on bindings for Crosstab doesn't take effect. Currently Dte hasn't supported this yet.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/olap/data/api/CubeQueryExecutorHelper.java
* @param previous
	 * @param end -
	 *            the member index of the target level.
	 * @return
	 */
	private boolean shareParentLevels( Member[] members, Member[] previous,
			int end )
	{
		if ( previous == null )
			return false;
		for ( int i = 0; i < end; i++ )
		{
			if ( members[i].equals( previous[i] ) == false )
			{
				return false;
			}
		}
		return true;
	}
	/**
	 * 
	 * @param dimension
	 * @return
	 * @throws DataException
	 * @throws IOException
	 */
	private IDiskArray getSimpleFilterResult( Dimension dimension ) throws DataException, IOException
	{
		ILevel[] levels = dimension.getHierarchy( ).getLevels( );
		ISelection[][] selections = new ISelection[levels.length][];