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 keyDataTypes[levelIndex][getLevelKeyIndex( levelIndex, keyName )];
	}
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.olap.data.api.IAggregationResultSet#getLevelKeyIndex(int, java.lang.String)
	 */
	public int getLevelKeyIndex( int levelIndex, String keyName )
	{
		if ( keyNames == null || levelIndex < 0 || keyNames[levelIndex] == null )
		{
			return DataType.UNKNOWN_TYPE;
		}
		for ( int i = 0; i < keyNames[levelIndex].length; i++ )
		{
			if ( keyNames[levelIndex][i].equals( keyName ) )
			{
				return i;
			}
		}
		return DataType.UNKNOWN_TYPE;
	}
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.olap.data.api.IAggregationResultSet#getLevelKeyIndex(java.lang.String, java.lang.String)
	 */
	public int getLevelKeyIndex( DimLevel level, String keyName )
	{
		if ( keyNames == null )
		{
			return -1;