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/impl/aggregation/AggregationResultSet.java
return currentPosition;
	}
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.olap.data.api.IAggregationResultSet#getSortType(int)
	 */
	public int getSortType( int levelIndex )
	{
		if ( aggregation.getSortTypes( ) == null )
		{
			return -100;
		}
		return aggregation.getSortTypes( )[levelIndex];
	}
	
	/**
	 * 
	 * @return
	 */
	public int[] getSortType( )
	{
		return aggregation.getSortTypes( );
	}
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.olap.data.api.IAggregationResultSet#getLevelAttributeDataType(int, java.lang.String)
	 */
	public int getLevelAttributeDataType( int levelIndex, String attributeName )
	{
		if ( attributeDataTypes == null